OP431 Powder
$0.00
OP431 Powder
| Product | OP431 Powder |
| CAS No. | 431-03-8 |
| Appearance | Light Gray Powder |
| Purity | ≥99%,  ≥99.9%,  ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range. |
| Ingredient | Fe-W-Mo-Cr-V-Co |
| Density | 7.8-8.1g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-357/25 |
OP431 Description:
OP431 Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing.
OP431 Powder Related Information :
Storage Conditions:
Airtight sealed, avoid light and keep dry at room temperature.
Please contact us for customization and price inquiry
Email: contact@nanochemazone.com
Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.
Stainless Steel OP431 Powder
Stainless steel OP431 powder is a powdered form of stainless steel that consists of iron, chromium, nickel, and other alloying elements. It is manufactured through a specialized process called atomization, where molten stainless steel is rapidly cooled using gas or water, resulting in the formation of fine metal particles.
Overview of Stainless Steel OP431 Powder
OP431 stainless steel belongs to the ferritic grade steels which contain chromium as the principal alloying element. The addition of aluminum enhances oxidation and corrosion resistance at high temperatures.
Key characteristics of OP431 powder include:
Excellent oxidation and corrosion resistance up to 1150°C
Good creep resistance and thermal fatigue strength
Excellent thermo-mechanical stability
High thermal conductivity and low thermal expansion
Cost-effective compared to austenitic stainless steels
Available in various particle size distributions
OP431 powder is ideal for applications requiring oxidation resistance, thermal stability and moderate strength at elevated temperatures.
Chemical Composition of OP431 Powder
OP431 powder has the following nominal composition:
| Element | Weight % |
| Iron (Fe) | Balance |
| Chromium (Cr) | 16-18% |
| Aluminum (Al) | 3-5% |
| Yttrium (Y) | 0.2-0.5% |
| Carbon (C) | 0.03% max |
| Silicon (Si) | 1% max |
| Manganese (Mn) | 1% max |
Properties of OP431 Powder
Key properties of OP431 powder include:
| Property | Value |
| Density | 7.3 g/cm3 |
| Melting Point | 1400-1450°C |
| Thermal Conductivity | 29 W/mK |
| Electrical Resistivity | 0.6 μΩ.cm |
| Young’s Modulus | 200 GPa |
| Poisson’s Ratio | 0.27-0.30 |
| Tensile Strength | 450-650 MPa |
| Yield Strength | 280-480 MPa |
| Elongation | 15-20% |
| Oxidation Resistance | Excellent up to 1150°C |
The properties like high temperature strength, oxidation resistance, and thermal stability make OP431 suitable for demanding applications.
Production Method for OP431 Powder
OP431 powder can be produced via:
Gas Atomization – High pressure inert gas used to atomize the molten alloy resulting in fine spherical powder ideal for AM.
Water Atomization – High velocity water jet breaks up the molten stream producing irregular powder particles. Lower cost but higher oxygen pickup.
Mechanical Alloying – Ball milling of blended elemental powders followed by sintering and secondary atomization.
Gas atomization allows excellent control over particle size distribution, morphology, oxygen pickup and microstructure.
Applications of OP431 Powder
Typical applications of OP431 powder include:
Additive Manufacturing – Selective laser melting to produce complex parts needing high temperature oxidation resistance.
Thermal Spray Coatings – Applied via arc spraying to provide protective coatings on components operating at over 1000°C.
Brazing Filler – For joining ferritic stainless steel parts in high temperature applications.
Solid Fuel Igniters – Powder metallurgy igniter plugs used in industrial furnaces and turbines.
Molten Metal Processing – Powder metallurgy conveyor rolls, tundishes and ladles used in molten metal handling.
Specifications of OP431 Powder
OP431 powder is available under various size ranges, shapes and grades:
Particle Size: From 15-45 μm for AM methods, up to 150 μm for thermal spray processes.
Morphology:Â Spherical, irregular and blended shapes. Spherical powder has excellent flowability.
Purity:Â From commercial to high purity grades based on application requirements.
Oxygen Content:Â Levels maintained below 2000 ppm for most applications.
Flow Rate:Â Powder can be customized for flow rates above 25 s/50 g.
Storage and Handling of OP431 Powder
OP431 powder requires the following storage and handling:
Should be stored in sealed containers under inert gas to prevent oxidation
Avoid accumulation of fine powder to minimize dust explosion risks
Use proper PPE, ventilation, grounding and safety practices during handling
Prevent contact between powder and incompatible materials
Follow safety guidelines provided by supplier SDS
Proper protective measures must be taken when handling this reactive alloy powder.
Inspection and Testing of OP431 Powder
Key quality control tests performed on OP431 powder include:
Chemical analysis using OES or XRF to ensure composition is within specified limits
Particle size distribution as per ASTM B822 standard
Morphology analysis through SEM
Powder flow rate measured as per ASTM B213 standard
Oxygen and nitrogen content testing by inert gas fusion
Density determined by helium pycnometry
Microstructure characterization by XRD
Thorough testing ensures the powder meets the required chemical, physical and microstructural characteristics for the intended application.
Comparison Between OP431 and 316L Stainless Steel Powders
OP431 and 316L stainless steel powders are compared:
| Parameter | OP431 | 316L |
| Type | Ferritic | Austenitic |
| Cr content | 16-18% | 16-18% |
| Ni content | – | 10-14% |
| High temperature strength | Higher | Lower |
| Corrosion resistance | Moderate | Excellent |
| Cost | Lower | Higher |
| Applications | Thermal spray, igniters | Automotive, construction |
| Weldability | Poor | Excellent |
OP431 offers much better high temperature strength whereas 316L provides excellent fabrication characteristics and corrosion resistance.
OP431 Powder FAQs
Q: How is OP431 powder produced?
A: OP431 powder is commercially produced using gas atomization, water atomization, and mechanical alloying followed by sintering. Gas atomization provides the best control of powder characteristics.
Q: What are the main applications of OP431 powder?
A: Key applications include thermal spray coatings, additive manufacturing, brazing filler, powder metallurgy igniter plugs, and high temperature molten metal handling components where oxidation resistance is needed.
Q: What is the typical OP431 powder size range used in metal AM?
A: For most metal AM processes, the ideal OP431 powder size range is 15-45 microns with spherical morphology and good powder flow characteristics.
Q: Does OP431 powder require any special handling precautions?
A: Yes, it is recommended to handle this reactive powder carefully under inert atmosphere using proper ventilation, grounding, and PPE.
Q: Where can I purchase OP431 powder suitable for thermal spray coatings?
A: For thermal spray applications requiring high temperature oxidation resistance, OP431 powder can be purchased from leading manufacture.
Description
Note: For pricing & ordering information, please get in touch with us at sales@nanochemazone.com
Please contact us for quotes on Larger Quantities and customization. E-mail: contact@nanochemazone.com
Customization:
If you are planning to order large quantities for your industrial and academic needs, please note that customization of parameters (such as size, length, purity, functionalities, etc.) is available upon request.
NOTE:
Images, pictures, colors, particle sizes, purity, packing, descriptions, and specifications for the real and actual goods may differ. These are only used on the website for the purposes of reference, advertising, and portrayal. Please contact us via email at sales@nanochemazone.com or by phone at (+1 780 612 4177) if you have anyÂ
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Related products
300M Stainless Steel Powder
300M Stainless Steel Powder
| Product | 300M Stainless Steel Powder |
| CAS No. | N/A |
| Appearance | Silver-Gray Powder |
| Purity | ≥99%,  ≥99.9%,  ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range. |
| Ingredient | Fe-Cr-Ni |
| Density | 7.85g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-337/25 |
300M Stainless Steel Description:
300M Stainless Steel Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing.
300M Stainless Steel Powder Related Information :
Storage Conditions:
Airtight sealed, avoid light and keep dry at room temperature.
Please contact us for customization and price inquiry
Email:Â contact@nanochemazone.com
Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.
300M Stainless Steel Powder
300M stainless steel powder is a specialized material used in powder metallurgy and additive manufacturing applications. This high-alloy austenitic stainless steel exhibits excellent corrosion resistance and high strength properties.
300M powder can be used to create complex metal components using advanced manufacturing techniques like selective laser sintering (SLS), direct metal laser sintering (DMLS), and binder jetting. The fine spherical powders spread easily and sinter uniformly, producing dense parts.
300M has a high nickel and chromium content which gives it excellent corrosion resistance comparable to 304 and 316 stainless steel. The composition is controlled within narrow ranges as shown below:
300M Stainless Steel Powder Composition
| Element | Composition Range |
| Carbon (C) | 0.05% max |
| Silicon (Si) | 1.0% max |
| Manganese (Mn) | 2.0% max |
| Phosphorus (P) | 0.03% max |
| Sulfur (S) | 0.01% max |
| Chromium (Cr) | 24.0-26.0% |
| Nickel (Ni) | 19.0-22.0% |
| Molybdenum (Mo) | 4.0-5.0% |
| Nitrogen (N) | 0.10-0.16% |
| Iron (Fe) | Balance |
The key alloying elements like chromium, nickel, and molybdenum give 300M stainless its unique properties. The high chromium content provides excellent corrosion and oxidation resistance. Nickel further enhances this by making the steel more resistant to reducing acids. Molybdenum improves pitting and crevice corrosion resistance in chlorides.
Nitrogen is also added to stabilize the austenitic structure and increase strength through solid solution strengthening. Carbon is restricted to minimize carbide precipitation. The end result is a versatile corrosion resistant steel powder ideal for additive manufacturing.
300M Stainless Steel Powder Properties
300M stainless steel provides an excellent combination of high strength and good ductility along with outstanding corrosion resistance. Some key properties are outlined below:
300M Stainless Steel Powder Properties
| Property | Value |
| Density | 7.9 g/cm3 |
| Melting Point | 1370°C (2500°F) |
| Thermal Conductivity | 12 W/m-K |
| Electrical Resistivity | 72 μΩ-cm |
| Modulus of Elasticity | 200 GPa |
| Poisson’s Ratio | 0.29 |
| Tensile Strength | 165ksi (1140 MPa) |
| Yield Strength | 140ksi (965 MPa) |
| Elongation | 35% |
The austenitic structure gives 300M enhanced toughness and ductility compared to martensitic grades. It also makes the steel non-magnetic. The material has good strength up to 600°C and can be used at cryogenic temperatures. Corrosion resistance is comparable to 316L grade. Wear resistance is lower than martensitic grades but machinability is excellent.
Overall, 300M offers an exceptional balance of strength, ductility, fracture toughness, and corrosion resistance making it suitable for demanding additive manufacturing applications across industries like aerospace, chemical processing, oil & gas, etc.
300M Stainless Steel Powder Applications
Some typical uses and applications of 300M stainless steel powder include:
300M Stainless Steel Powder Applications
| Industry | Common Applications |
| Aerospace | Engine components, structural parts, landing gear |
| Automotive | Valve bodies, pump parts, turbocharger components |
| Medical | Implants, prosthetics, surgical instruments |
| Chemical | Pumps, valves, pipe fittings |
| Oil & Gas | Downhole tools, wellhead parts, offshore components |
| Industrial | Food processing equipment, press plates, dies and molds |
| Consumer | Watch cases, jewelry, decorative artware |
The excellent corrosion resistance allows 300M to withstand harsh operating environments in industries like oil & gas, chemical processing, pollution control, etc. where parts are exposed to acids, alkalis, salts, or chlorides.
In aerospace applications, it offers high strength for weight reduction combined with good creep and fatigue resistance at elevated temperatures. The austenitic structure gives excellent fracture toughness.
In medical uses like implants and surgical tools, the good biocompatibility and high strength of 300M stainless are advantageous. For consumer products, the attractive appearance and ability to polish to a mirror finish make it suitable for decorative applications.
Additive manufacturing enables producing components with complex geometries and internal features which are not possible with conventional fabrication routes. This expands the design freedom and range of applications for 300M stainless steel powder.
300M Stainless Steel Powder Specifications
300M powder is commercially available in different size ranges, morphologies, and blends tailored for various additive manufacturing processes. Some key specifications are provided below:
300M Stainless Steel Powder Specifications
| Parameter | Typical Values |
| Particle shape | Spherical, satellite, irregular |
| Particle size | 15-45 μm, 15-53 μm, 53-150 μm |
| Apparent density | 2.5-4.5 g/cm3 |
| Tap density | 3.5-4.5 g/cm3 |
| Flow rate | 15-25 s/50g |
| Carbon content | < 0.05 wt% |
| Oxygen content | < 0.15 wt% |
| Nitrogen content | 0.10-0.16 wt% |
| Hydrogen content | < 0.0015 wt% |
Spherical powders spread easily and have good flowability for uniform layer deposition. They are ideal for SLS/DMLS processes.
Irregular and satellite morphologies provide better packing density for binder jetting.
Smaller particle sizes (~20 μm) are preferred for better resolution and surface finish.
Larger sizes (~45-150 μm) improve powder flow and reduce recoater jamming.
-chemistry, especially of interstitial elements like C, N, O, H is controlled to avoid vaporization and porosity issues during printing.
Gases like nitrogen and argon may be used during atomization to minimize oxidation and hydrogen pickup. Alloying elements are adjusted to compensate for vapor losses during processing.
300M Stainless Steel Powder Handling
300M powder should be handled with care to avoid contamination or mixing with other materials. Some guidelines are provided below:
300M Stainless Steel Powder Handling
Store unopened containers in a dry, inert environment to prevent oxidation and moisture pickup
Open containers inside gloveboxes filled with argon to prevent air exposure
Use tools and containers dedicated only for 300M to prevent cross-contamination
Avoid contact with iron or carbon to prevent composition changes
Measure powder weight accurately before reuse to control blend ratios
Sieve powders before reuse to break up agglomerates and remove large particles
Do not pour powder directly back into the main container to prevent mixing of new and used powder
Clean equipment thoroughly between handling batches to prevent cross-contamination
Proper handling and storage helps maintain the powder composition, morphology, flowability and reuse properties. Contamination can negatively impact material properties or cause printing defects.
300M Stainless Steel Powder Storage
300M powder should be stored in the following conditions:
300M Stainless Steel Powder Storage
Store in original sealed containers until ready to use
Use inert gas sealing or vacuum packaging for long-term storage
Store in a cool, dry location away from direct sunlight
Ambient temperatures between 10-25°C are ideal for storage
Avoid temperature swings and humidity which can cause condensation
Use desiccant bags when opening containers to absorb moisture
Limit storage time to 6-12 months for pre-alloyed powders to avoid oxidation
Rotate stock using a first-in-first-out (FIFO) system
Proper storage is crucial to prevent powder degradation over time by moisture, oxygen, or other environmental factors. Follow the manufacturer’s recommendations for maximum shelf life.
300M Stainless Steel Powder Safety
300M powder requires handling precautions similar to other fine stainless steel powders:
300M Stainless Steel Powder Safety
Use appropriate PPE during handling – gloves, respirators, eye protection
Avoid breathing powder dust – use ventilation and masks
Avoid skin contact to prevent sensitization – use gloves
Use spark-proof tools and vacuum systems designed for combustible dust
Inert gas gloveboxes provide protection during handling
Explosion proof lighting and electrical equipment are recommended
Follow SDS precautions and wear PPE mentioned during processing
Maintain cleanliness to avoid particle accumulation and minimize risks
Use dust collection systems and housekeeping procedures to lower combustible dust hazards
Finely divided powders pose risks like sensitization from prolonged exposure and explosion hazards from dust accumulation. Awareness, training, and safe practices are essential.
300M Stainless Steel Powder Printing
300M requires optimized printing parameters tailored for the alloy:
300M Stainless Steel Printing Parameters
Laser power/energy density: 150-220 W, 50-90 J/mm3
Scan speeds: 600-1200 mm/s
Hatch spacing: 80-120 μm
Layer thickness: 20-50 μm
Counterflow argon is preferred over nitrogen
Oxygen levels below 1000 ppm prevent oxidation
Preheating to 80-150°C reduces residual stresses
Stress relief heat treatments mandatory to prevent cracking
Key considerations include minimizing thermal stresses and avoiding hot cracking issues to achieve high density prints. Some degree of parameter tweaking is needed to optimize for specific printer models.
300M Stainless Steel Powder Post-Processing
Typical post-processing methods for 300M parts include:
300M Stainless Steel Part Post-Processing
Support removal using EDM or sand blasting
Stress relieving at 1065-1120°C for 1-2 hours to prevent cracking
Hot isostatic pressing (HIP) to eliminate internal voids and improve fatigue strength
Heat treatment at 900-950°C to adjust hardness/strength
Sanding, bead blasting, grinding, polishing to improve surface finish
Passivation in nitric acid for removing heat tint and enhancing corrosion resistance
Shot peening to induce compressive stresses and improve fatigue life
Coatings like PVD, CVD can provide wear/corrosion resistance or unique appearances
Multi-step finishing is often necessary to achieve the desired material properties, dimensional accuracy, surface quality, and aesthetics. The process depends on application requirements.
300M Stainless Steel Powder Quality Control
Extensive testing should be performed to ensure powder and printed part quality:
300M Stainless Steel Powder Testing
| Test | Details |
| Chemical analysis | ICP-OES, ICP-MS, wet chemistry, spark OES |
| Particle size distribution | Laser diffraction, sieve analysis |
| Morphology | SEM imaging, microscopy |
| Powder density | Scott volumeter, Hall flowmeter |
| Flow rate | Hall flowmeter |
| Moisture analysis | Thermogravimetric analysis |
300M Stainless Steel Part Testing
| Test | Details |
| Density | Archimedes’, Helium pycnometry |
| Surface roughness | Profilometer, interferometry |
| Hardness | Rockwell, Vickers, Brinell |
| Tensile strength | ASTM E8 |
| Microstructure | Optical microscopy, image analysis |
| Layer bonding | Electron microscopy, dye penetrant |
| Porosity | X-ray tomography, image analysis |
| Surface defects | Penetrant testing, microscopy |
Comprehensive testing as per industrial standards ensures consistent powder quality and printed part performance. It minimizes defects and prevents part failures in service.
Advantages of 300M Stainless Steel Powder
Some of the advantages of using 300M powder for additive manufacturing include:
Excellent corrosion resistance comparable to 316L stainless steel
High strength with good ductility and fracture toughness
Can be processed easily using laser powder bed fusion, binder jetting, etc.
Good dimensional accuracy and surface finish in printed parts
Performs well in harsh environments and at elevated temperatures
Can produce complex geometries not possible with conventional methods
Parts can be heat treated to tailor properties like hardness, strength, etc.
Offers design flexibility not limited by typical manufacturing constraints
Saves material, energy, and costs versus subtractive methods
Widely available from leading suppliers to ensure reliable material supply
The combination of outstanding material properties, advanced manufacturability, and customizability make 300M an ideal alloy for mission-critical AM components across industries.
Limitations of 300M Stainless Steel Powder
300M also has some limitations to consider:
More expensive than common alloys like 316L or 17-4PH stainless
Requires optimized processing parameters tailored for the alloy
Sensitive to contamination from improper powder handling
Need for hot isostatic pressing (HIP) to eliminate internal voids
Lower wear resistance than martensitic stainless steel powders
Requires post-processing and finishing operations
High thermal stresses can cause cracking; heat treatments mandatory
Oxidation and nitrogen absorption can occur during processing
Parts may require supports to avoid deformation during printing
Limited number of suppliers compared to more common alloys
The specialized composition, high cost, and need for controlled processing conditions limit its use to critical applications where performance justifies the higher cost.
300M vs 316L vs 17-4PH Stainless Steel Powder
How does 300M compare against other popular stainless steel powders like 316L and 17-4PH?
Comparison of Stainless Steel Powders
| Alloy | Composition | Properties | Applications |
| 300M | High Ni, Cr, Mo | Excellent corrosion resistance, good ductility and toughness, high strength to 600°C | Aerospace, oil & gas, chemical, high temp uses |
| 316L | Medium Ni, Cr | Excellent corrosion resistance, readily weldable, good bio-compatibility | Marine hardware, medical implants, food processing |
| 17-4PH | Medium Ni, Cr + Cu | High hardness and strength, good corrosion resistance, heat treatable | Aerospace, tooling, automotive, plastic molds |
300M provides the best combination of corrosion resistance and useful strength at elevated temperatures. 17-4PH is preferred for applications
300M stainless steel powder is a specialized material used in powder metallurgy and additive manufacturing applications. This high-alloy austenitic stainless steel exhibits excellent corrosion resistance and high strength properties.
300M powder can be used to create complex metal components using advanced manufacturing techniques like selective laser sintering (SLS), direct metal laser sintering (DMLS), and binder jetting. The fine spherical powders spread easily and sinter uniformly, producing dense parts.
Here is more content continuing the comparison between 300M, 316L, and 17-4PH stainless steel powders:
Detailed Comparison
300M has higher tensile strength than 316L and lower ductility. It maintains strength up to 600°C better than 316L.
316L has the best all-round corrosion resistance followed by 300M and 17-4PH. 300M resists pitting and crevice corrosion better than 316L.
17-4PH achieves the highest hardness after heat treatment but has lower toughness than 300M and 316L.
300M has higher nickel content than 316L and 17-4PH which improves corrosion resistance. 17-4PH contains copper for precipitation hardening.
300M is used in specialized applications requiring strength at elevated temperatures like aerospace components. 316L is widely used in corrosive environments across industries where high strength is not critical.
17-4PH suits applications requiring high hardness like molds, tooling, and wear-resistant parts for automotive and consumer uses.
300M and 17-4PH powders are more expensive than common 316L powder. 17-4PH is relatively easier to process by laser sintering than 300M.
All three are readily weldable grades in the annealed/solutionized condition. 17-4PH requires aging treatment after welding to restore properties.
300M requires stress relieving heat treatments after printing to prevent cracking. 17-4PH is typically H900 heat treated post-build for optimal properties.
In summary, 300M fills a niche between generalized corrosion resistance of 316L and high strength/hardness of martensitic 17-4PH. It provides the best elevated temperature properties crucial for aerospace applications.
300M Stainless Steel Powder Questions
Here are some common questions asked about 300M stainless steel powder:
300M Stainless Steel Powder FAQs
Q: What particle size is best for printing 300M stainless steel?
A: 15-45 microns is recommended for SLM/DMLS. Larger sizes 45-100 microns improve flowability but reduce resolution.
Q: What is the typical density achieved for 300M parts printed by laser powder bed fusion?
A: Printed density over 99% is achievable with optimized parameters. HIP helps eliminate internal voids.
Q: What is the typical surface roughness of as-printed 300M parts?
A: Around 10-15 microns Ra surface roughness is typical, which can be reduced to under 1 micron by polishing.
Q: Does 300M require any post-processing heat treatments?
A: Yes, stress-relieving at 1065-1120°C to prevent cracking followed by cooling at <50°C/hr is recommended.
Q: What are some typical applications of binder-jet printed 300M parts?
A: Tooling components, jigs, fixtures, plastic injection molds are common applications benefitting from the hardness and corrosion resistance.
Q: How should unused 300M powder be stored for reuse?
A: In a dry, inert atmosphere sealed container at 10-25°C for up to 1 year. Store away from iron contamination.
Q: Can you heat treat 300M to increase its hardness?
A: Yes, aging at 900-950°C can increase hardness up to 38 HRC similar to precipitation hardening grades.
This covers some key questions about 300M powder. Please reach out for any other specific queries.
304l Stainless Steel Powder
304l Stainless Steel Powder
| Product | 304l Stainless Steel Powder |
| CAS No. | 11143-21-4 |
| Appearance | Metallic Gray or Silver Powder |
| Purity | ≥99%,  ≥99.9%,  ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range. |
| Ingredient | Fe-Cr-Ni |
| Density | 7.9g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-338/25 |
304l Stainless Steel Description:
304l Stainless Steel Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing.
304l Stainless Steel Powder Related Information :
Storage Conditions:
Airtight sealed, avoid light and keep dry at room temperature.
Please contact us for customization and price inquiry
Email:Â contact@nanochemazone.com
Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.
304l Stainless Steel Powder
304L stainless steel powder is an austenitic chromium-nickel stainless steel powder with low carbon content. It offers excellent corrosion resistance, good formability and weldability, and widely used for powder metallurgy applications. The ‘L’ denotes lower carbon compared to 304 standard grade. The low carbon minimizes carbide precipitation and maximizes corrosion resistance. Powder metallurgy 304L provides a cost-effective alternative to 316L for non-critical applications not needing molybdenum alloying.
Overview
304L stainless steel powder is an austenitic chromium-nickel stainless steel powder with low carbon content. It offers excellent corrosion resistance, good formability and weldability, and widely used for powder metallurgy applications.
The ‘L’ denotes lower carbon compared to 304 standard grade. The low carbon minimizes carbide precipitation and maximizes corrosion resistance. Powder metallurgy 304L provides a cost-effective alternative to 316L for non-critical applications not needing molybdenum alloying.
This article provides an in-depth look at 304L stainless steel powder covering composition, properties, processing, applications, specifications, suppliers, costs, and other technical details.
Composition
The nominal composition of 304L stainless steel powder is listed below:
Table: Typical composition of 304L stainless steel powder
| Element | Weight % |
| Chromium (Cr) | 18-20 |
| Nickel (Ni) | 8-10.5 |
| Manganese (Mn) | <2 |
| Silicon (Si) | <1 |
| Carbon (C) | <0.03 |
| Sulfur (S) | <0.03 |
| Phosphorus (P) | <0.045 |
| Nitrogen (N) | <0.1 |
| Iron (Fe) | Balance |
Chromium and nickel are the main alloying elements. Chromium provides corrosion and oxidation resistance. Nickel enhances ductility, toughness, and weldability.
Manganese and silicon increase strength. Carbon is kept very low for optimum corrosion resistance. Sulfur, phosphorus, and nitrogen are impurities that are minimized.
Properties
Key properties of 304L stainless steel powder in the annealed condition are provided below:
Table: Properties of 304L stainless steel powder
| Property | Value |
| Density | 7.9-8.1 g/cm3 |
| Ultimate Tensile Strength | 505-620 MPa |
| Yield Strength | 205-275 MPa |
| Elongation | ≥40% |
| Hardness | ≤92 HRB |
| Modulus of Elasticity | 190-210 GPa |
| Melting Point | 1400-1450°C |
| Thermal Conductivity | 16 W/m-K |
| Electrical Resistivity | 0.072 μΩ-cm |
The combination of properties make 304L highly useful for a wide range of applications. The austenitic microstructure provides ductility, toughness, and non-magnetic behavior. 304L has excellent corrosion resistance comparable to 316L stainless steel.
By selecting ultra-low carbon powder, carbide precipitation can be avoided to maximize corrosion resistance in critical applications. Strength and hardness can be increased through cold working.
Applications
Typical applications for 304L stainless steel powder include:
Food processing equipment
Pharmaceutical tooling
Chemical plant components
Architectural panels, railings
Medical instruments and implants
Marine hardware, fittings, fasteners
Consumer products, appliances
Powder metallurgy mechanical parts
3D printing powders
304L provides cost-effective corrosion resistance versus 316L when molybdenum alloying is not needed for highly corrosive environments. The excellent polishability and non-magnetic properties also suits 304L for architectural cladding and hardware components.
Powder metallurgy is commonly used to produce small precision parts from 304L at high volumes versus machining. Additive manufacturing utilizes 304L powder for prototypes, tooling, and end-use components across industries.
Powder Manufacturing
304L stainless steel powder is commercially manufactured via gas atomization or water atomization processes.
In gas atomization, a high pressure inert gas stream disintegrates the molten metal into fine droplets, producing spherical powders ideal for additive manufacturing and MIM. Particle size distribution is controlled through process parameters.
Water atomization uses high pressure water jets to break up the metal stream into fine particles. This generates irregular, satellite particle shapes. The powder requires post-treatment for additive manufacturing.
Plasma atomization is sometimes used to produce very spherical, clean powders from a metal plasma stream in a controlled inert atmosphere. This ensures high purity and flowability.
304L stainless steel powder is commercially available in various size ranges, morphologies, and quality levels. Some typical powder specifications are below:
Table: 304L stainless steel powder specifications
| Attribute | Details |
| Particles sizes | 15-45 μm, 10-100 μm |
| Morphology | Spherical, irregular |
| Apparent density | 2.5-4.5 g/cm3 |
| Tap density | 4-5 g/cm3 |
| Hall flow rate | <30 s/50g |
| Purity | >99.5% |
| Oxygen content | <2000 ppm |
| Moisture content | <0.2% |
Smaller particle sizes below 45 μm are preferred for capturing fine features in additive manufacturing. Spherical particles provide good flowability. Apparent density correlates with powder packing efficiency.
High purity, low oxygen, and controlled moisture levels ensure quality sintered properties. Gas atomized powder offers the best specifications for critical applications.
Standards and Grades
304L stainless steel powder complies with the following standards:
ASTM A240 – Standard for chromium and chromium-nickel stainless steel plate, sheet, and strip
ASTM A313 – Standard for stainless steel spring wire
ASTM A314 – Standard for stainless steel bent wire
AMS 5501 – Stainless steel bars, wire, forgings, tubing with low carbon
AMS 5647 – Stainless steel powder, atomized, 304L
Equivalent grades include:
UNS S30403
Werkstoff No. 1.4306
SUS 304L
SS2348
Powder Storage and Handling
To prevent contamination and maintain powder properties, 304L stainless steel powder should be stored and handled as follows:
Store in sealed containers in a cool, dry environment
Use inert gas purging or vacuum to prevent moisture pickup
Keep away from sparks, flames, and ignition sources
Ground all powder handling and transfer equipment
Avoid contact with contaminants like oil, grease, paints, etc.
Use PPE – mask, gloves, eye protection when handling powder
Powder spills should be promptly cleaned using non-sparking tools and HEPA vacuuming. Powders are moderately sensitive to moisture and air exposure. Proper storage is key.
Metal Injection Molding
304L is widely used for metal injection molding of small, complex parts leveraging powder metallurgy. Key considerations include:
Feedstock:Â 60-68% powder loading with multi-component binder system
Molding:Â High shot size, fast injection speed, high holding pressure
Debinding:Â Solvent debinding followed by thermal debinding
Sintering: 1350-1400°C in hydrogen or vacuum atmosphere
Secondary Operations:Â Machining, laser marking, passivation, electropolishing
MIM service bureaus have established best practices for high-performance 304L parts with as-sintered properties approaching wrought material.
Design for AM
For additive manufacturing using 304L stainless steel powder, key design guidelines include:
Maintain wall thicknesses above 1 mm
Use self-supporting geometries with angles above 45°
Include drain holes to remove unfused powder
Observe build orientation effects on properties
Account for 20-25% shrinkage when designing mating parts
Include machining allowances of 0.5-1 mm for critical fits
Reduce overhangs, bridges, fine details that require supports
Quality Control
Quality control testing performed on 304L stainless steel powder includes:
Chemical analysis – ICP and OES to verify composition
Particle size analysis – Laser diffraction particle size analyzer
Powder morphology – SEM imaging at high magnifications
Apparent density and tap density – Hall flowmeter method
Powder flow rate – Hall flowmeter funnel method
Loss on ignition – ASTM E sin gravity furnace
Moisture analysis – Karl Fischer titration, LECO analysis
For sintered MIM parts, testing includes:
Dimensional tolerances – CMM inspection
Density – Archimedes method
Microstructure – Optical microscopy, image analysis
Mechanical testing – Hardness, tensile, fatigue, Charpy impact
Health and Safety
Like most stainless steel powders and parts, 304L poses little health risk with proper handling:
Wear PPE when handling powder – mask, gloves, goggles
Avoid skin contact to prevent sensitization
Use HEPA-filtered vacuum for clean-up of dust and powder
Avoid breathing any welding or melting fumes
Dispose according to local environmental regulations
Ensure adequate ventilation and respiratory protection if grinding or machining sintered parts
No special disposal precautions are needed for 304L. With sound procedures, it poses minimal hazard for workers and the environment.
FAQ
1.What is the difference between 304 and 304L stainless steel powder?
304L has lower carbon content (<0.03%) than 304 (<0.08%) for better corrosion resistance,especially for welding. 304 is more common.
2.Does 304L powder require a controlled atmosphere?
Not necessarily, but storage in sealed containers with inert gas prevents oxidation and contamination.
3.What particle size is best for AM?
15-45 microns is typical for powder bed fusion AM to provide good flow and high resolution. Larger sizes from 45-100 microns are also used.
4.Is 304L used for metal 3D printing?
Yes, 304L is widely used for powder bed and directed energy deposition 3D printing to make prototypes, tooling, and end-use parts.
5.What causes powder to oxidize and lose reusability?
Exposure to air/moisture causes surface oxidation. Proper sealed storage with desiccant and oxygen absorbers prevents this.
6.Does 304L require solution annealing after laser sintering?
Yes, stress relieving at 1050-1150°C and rapid cooling helps restore ductility and toughnessafterthe rapid solidification.
7.What finish can be expected on as-sintered MIM 304L parts?
Around Ra 3-6 microns initially. Polishing and etching can achieve under 0.5 micron. Plating also gives a smooth finish.
8.What tolerance can be achieved with 304L MIM parts?±0.1-0.3% is typical but tolerances under ±0.1% are possible for high precision components.
9.Why is 304L preferred over 304 stainless steel?
The lower carbon gives 304L better corrosion resistance, especially for weldments, reducing sensitization. It has become the dominant grade.
10.What is the cost premium for 304L vs. 304 powder?
Typically 10-30% higher cost for 304L due to the lower carbon composition. Price also depends on quantities ordered.
316L Powder
316L Powder
| Product | 316L Powder |
| CAS No. | 12597-68-1 |
| Appearance | Metallic Gray Powder |
| Purity | ≥99%,  ≥99.9%,  ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range. |
| Ingredient | Fe-Cr-Ni-Mo |
| Density | 7.99g/cm3 |
| Molecular Weight | 55.22g/mol |
| Product Codes | NCZ-DCY-349/25 |
316L Description:
316L Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing.
316L Powder Related Information :
Storage Conditions:
Airtight sealed, avoid light and keep dry at room temperature.
Please contact us for customization and price inquiry
Email: contact@nanochemazone.com
Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.
Best Stainless Steel 316L Powder for 3D Printing
Stainless steel 316L powder is a versatile and widely used material in various industries. Its unique properties make it suitable for applications ranging from 3D printing to biomedical implants. In this article, we will explore the characteristics, uses, manufacturing process, and advantages of stainless steel 316L powder.
Overview of Stainless Steel 316L Powder
316L stainless steel belongs to the austenitic class of stainless steels. The addition of 2-3% molybdenum along with nickel and chromium imparts excellent pitting and crevice corrosion resistance in harsh environments. The ‘L’ denotes lower carbon content to avoid carbide precipitation during welding.
Key characteristics of 316L powder include:
Excellent corrosion resistance in harsh environments
High oxidation and sulfidation resistance at elevated temperatures
Very good weldability and formability
Non-magnetic austenitic structure
Available in range of particle size distributions
316L powder is suitable for applications requiring excellent corrosion resistance like chemical processing, pharmaceutical, food and beverage, marine equipment and biomedical implants. This article provides a detailed overview of 316L powder.
Chemical Composition of 316L Powder
| Element | Weight % |
| Iron (Fe) | Balance |
| Chromium (Cr) | 16-18% |
| Nickel (Ni) | 10-14% |
| Molybdenum (Mo) | 2-3% |
| Manganese (Mn) | ≤ 2% |
| Silicon (Si) | ≤ 1% |
| Carbon (C) | ≤ 0.03% |
| Phosphorus (P) | ≤ 0.045% |
| Sulfur (S) | ≤ 0.03% |
| Property | Value |
| Density | 7.9-8.1 g/cm3 |
| Melting Point | 1370-1400°C |
| Thermal Conductivity | 16 W/mK |
| Electrical Resistivity | 0.75 μΩ.cm |
| Young’s Modulus | 190-210 GPa |
| Poisson’s Ratio | 0.27-0.30 |
| Tensile Strength | 485-620 MPa |
| Yield Strength | 170-310 MPa |
| Elongation | 40-50% |
| Hardness | 79-95 HRB |
316L offers excellent corrosion resistance combined with good formability and weldability. The austenitic structure provides good toughness and ductility.
Production Method for 316L Powder
Common production methods for 316L powder include:
Gas Atomization – Inert gas jets disintegrate molten 316L alloy stream into fine spherical powders with controlled size distribution.
Water Atomization – High pressure water jet impacts and disintegrates molten metal to produce fine irregular powder particles.
Mechanical Alloying – Ball milling of blended elemental powders followed by sintering and secondary atomization.
Gas atomization allows excellent control over particle characteristics like size, shape, oxygen pickup and microstructure.
Typical applications of 316L powder include:
Additive Manufacturing – Powder bed fusion, binder jetting processes use 316L powder for chemical, marine, biomedical parts.
Metal Injection Molding – To manufacture small, complex components needing corrosion resistance.
Thermal Spray Coatings – Wire arc spray deposition to produce protective coatings in harsh environments.
Welding Consumables – Used as filler material for joining 316L components providing excellent weld strength.
Chemical Processing – Powder metallurgy vessels, trays, baskets used in chemical and pharmaceutical industries.
Specifications of 316L Powder
316L powder is available under different size ranges, shapes and purity levels:
Particle Size: From 10-45 μm for AM methods, up to 150 μm for thermal spray processes.
Morphology:Â Spherical, irregular and blended particle shapes. Smooth spherical powder provides optimal flow.
Purity:Â From commercial to high purity (99.9%) tailored to application requirements.
Oxygen Content:Â Levels maintained at 100-1000 ppm for most applications.
Flow Rate:Â Powder customized for flow rates above 25 s/50 g.
Storage and Handling of 316L Powder
316L powder should be handled with care to:
Prevent contact with moisture, acids etc. leading to corrosion
Avoid fine powder accumulation to minimize risk of dust explosions
Use proper ventilation, PPE when handling fine powders
Follow recommended practices from supplier SDS
Store sealed containers in a dry, inert atmosphere
Proper protective measures must be taken when handling reactive alloy powders like 316L.
Inspection and Testing of 316L Powder
Key quality control tests performed on 316L powder:
Chemical analysis using OES or XRF to ensure composition is within specified limits
Particle size distribution as per ASTM B822 standard
Morphology analysis through SEM imaging
Powder flow rate measured as per ASTM B213 standard
Density determination by helium pycnometry
Impurity testing by ICP-MS
Microstructure characterization by X-ray diffraction
Thorough testing ensures the powder meets the required chemical, physical and microstructural characteristics for the intended application.
Comparison Between 316L and 304L Stainless Steel Powders
316L and 304L stainless steel powders compared:
| Parameter | 316L | 304L |
| Composition | Fe-Cr-Ni-Mo | Fe-Cr-Ni |
| Corrosion resistance | Much better | Good |
| Cost | Higher | Lower |
| Temperature resistance | Better | Good |
| Weldability | Excellent | Excellent |
| Availability | Moderate | Excellent |
| Applications | Marine, chemical industry | Consumer products, appliances |
316L offers substantially better corrosion resistance whereas 304L is more economical for less demanding applications.
316L Powder FAQs
Q: How is 316L stainless steel powder produced?
A: 316L powder is commercially produced using gas atomization, water atomization and mechanical alloying followed by sintering. Gas atomization offers the best control of powder characteristics.
Q: What are the main applications of 316L powder?
A: Key applications for 316L powder include additive manufacturing, metal injection molding, thermal spray coatings, and powder metallurgy parts for chemical, marine, pharmaceutical and food industries needing excellent corrosion resistance.
Q: What is the recommended 316L powder size for binder jetting AM?
A: For binder jetting process, the typical 316L powder size range is 20-45 microns with spherical morphology for optimal powder bed density and binder infiltration.
Q: Does 316L powder require special handling precautions?
A: Yes, 316L is a reactive alloy powder and should be handled carefully under controlled humidity and inert atmosphere using proper grounding, ventilation and PPE.
Q: Where can I buy 316L powder suitable for biomedical implants?
A: High purity, gas atomized 316L powder meeting biomedical specifications can be purchased from leading manufacturer.
430L Powder
430LÂ Powder
| Product | 430L Powder |
| CAS No. | 7439-89-6 |
| Appearance | Silvery-Gray Powder |
| Purity | ≥99%,  ≥99.9%,  ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range. |
| Ingredient | Fe-16Cr |
| Density | 2.8g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-343/25 |
430LÂ Description:
430L Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing.
430L Powder Related Information :
Storage Conditions:
Airtight sealed, avoid light and keep dry at room temperature.
Please contact us for customization and price inquiry
Email: contact@nanochemazone.com
Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.
430L Powder
430L powder is a ferritic stainless steel powder containing 17% chromium with additions of molybdenum and niobium for enhanced corrosion resistance. It provides an optimal balance of corrosion resistance, strength, weldability and cost.
Overview of 430L Powder
430L powder is a ferritic stainless steel powder containing 17% chromium with additions of molybdenum and niobium for enhanced corrosion resistance. It provides an optimal balance of corrosion resistance, strength, weldability and cost.
Key properties and advantages of 430L powder:
430L Powder Properties and Characteristics
| Properties | Details |
| Composition | Fe-17Cr-Nb-Mo alloy |
| Density | 7.7 g/cc |
| Particle shape | Irregular, angular |
| Size range | 10-150 microns |
| Apparent density | Up to 50% of true density |
| Flowability | Moderate |
| Corrosion resistance | Excellent in many environments |
| Strengthening | Solid solution and precipitation strengthening |
430L powder is widely used in chemical processing, marine hardware, automotive exhaust components, industrial valves and flanges, and structural parts needing weathering resistance.
430L Powder Composition
| Element | Weight % |
| Iron (Fe) | Balance |
| Chromium (Cr) | 16-18% |
| Carbon (C) | 0.12% max |
| Silicon (Si) | 1% max |
| Manganese (Mn) | 1% max |
| Molybdenum (Mo) | 0.5% max |
| Niobium (Nb) | 0.3-0.6% |
| Nitrogen (N) | 0.03% max |
| Sulfur (S) | 0.03% max |
Iron provides the base matrix and ductility
Chromium enhances corrosion and oxidation resistance
Niobium and molybdenum provide precipitation strengthening
Carbon, nitrogen and sulfur are controlled as tramp elements
430L Powder Physical Properties
| Property | Values |
| Density | 7.7 g/cc |
| Melting point | 1400-1450°C |
| Electrical resistivity | 0.6-0.7 μΩ-m |
| Thermal conductivity | 26 W/mK |
| Curie temperature | 1440°C |
| Maximum service temperature | 650-750°C |
Density is moderately high for a stainless steel
Provides high temperature strength and corrosion resistance
Resistivity higher than pure iron or low alloy steels
Becomes paramagnetic above Curie point
Can withstand moderately high operating temperatures
The physical properties make 430L suitable for corrosive environments and moderately high temperature applications requiring oxidation resistance.
430L Powder Mechanical Properties
Provides moderately high strength for a stainless steel
Excellent ductility and impact toughness
Strength can be further increased through heat treatment
Hardness is relatively low compared to martensitic grades
The properties provide a good combination of strength, ductility, and toughness required for many corrosive environments and load conditions.
430L Powder Applications
| Industry | Example Uses |
| Chemical | Tanks, valves, pipes, pumps |
| Automotive | Exhaust components, fuel injection parts |
| Construction | Cladding, architectural features |
| Oil and gas | Wellhead equipment, drilling tools |
| Manufacturing | Pressing tooling, molds, dies |
Some specific product uses:
Marine hardware like railings, hinges, fasteners
Automotive exhaust manifolds, mufflers, catalytic converters
Chemical processing equipment like valves and flanges
Oil country tubular goods for downhole environments
Architectural paneling, cladding and decorative features
Its excellent corrosion resistance combined with good manufacturability make 430L widely used across industries needing weathering and oxidation resistance.
430L Powder Standards
| Standard | Description |
| ASTM A743 | Standard for corrosion resistant chromium steel castings |
| ASTM A744 | Standard for corrosion resistant chromium steel sheet and strip |
| AMS 5759 | Annealed corrosion resistant steel bar, wire, forgings |
| SAE J405 | Automotive weathering steel sheet |
| DIN 17440 | Stainless steels for corrosion resistant applications |
These standards define:
Chemical composition limits of 430L alloy
Permissible impurity levels like S, P
Required mechanical properties
Approved production methods
Compliance testing protocols
Proper packaging, labeling and documentation
Meeting certification requirements ensures suitability of the powder for the target applications and markets.
430L Powder Particle Size Distribution
| Particle Size | Characteristics |
| 10-45 microns | Ultrafine grade for high density and surface finish |
| 45-150 microns | Coarse grade provides good flowability |
| 15-150 microns | Standard grade for pressing and sintering |
Finer particles allow greater densification during sintering
Coarser powder flows better and fills die cavities uniformly
Size range is tailored based on final part properties needed
Both gas and water atomized powders are available
Controlling particle size distribution allows optimizing processing behavior and final part performance.
430L Powder Apparent Density
| Apparent Density | Details |
| Up to 50% of true density | For irregular powder morphology |
| 3.5-4.5 g/cc typical | Improves with greater packing density |
Higher apparent density improves powder flow and compressibility
Irregular morphology limits maximum packing density
Values up to 60% are possible with spherical powders
High apparent density improves press filling efficiency
Higher apparent density leads to better manufacturing productivity and part quality.
| Method | Details |
| Gas atomization | High pressure inert gas breaks molten metal stream into fine droplets |
| Water atomization | High pressure water jet breaks metal into fine particles |
| Vacuum induction melting | High purity input materials melted under vacuum |
| Multiple remelting | Improves chemical homogenization |
| Sieving | Classifies powder into different particle size ranges |
Gas atomization provides clean, spherical powder morphology
Water atomization is a lower cost process with irregular particles
Vacuum melting and remelting minimizes gaseous impurities
Post-processing allows customization of particle sizes
Automated production and stringent quality control result in consistent powder suitable for critical applications.
430L Powder Handling and Storage
| Recommendation | Reason |
| Use PPE and ventilation | Avoid exposure to fine metallic particles |
| Ensure proper grounding | Prevent static discharge while handling |
| Avoid ignition sources | Powder can combust in oxygen atmosphere |
| Use non-sparking tools | Prevent possibility of ignition during handling |
| Follow safety protocols | Reduce risk of burns, inhalation, and ingestion |
| Store in stable containers | Prevent contamination or oxidation |
As 430L powder is flammable, ignition and explosion risks should be controlled during handling and storage. Otherwise it is relatively safe with proper precautions.
430L Powder Inspection and Testing
| Test | Details |
| Chemical analysis | ICP and XRF verify composition |
| Particle size distribution | Laser diffraction determines size distribution |
| Apparent density | Hall flowmeter test per ASTM B212 standard |
| Powder morphology | SEM imaging shows particle shape |
| Flow rate analysis | Gravity flow rate through specified nozzle |
| Loss on ignition | Determines residual moisture content |
Stringent testing ensures the powder meets the required chemical purity, particle characteristics, density, morphology, and flowability per applicable specifications.
Advantages of 430L Powder
Excellent corrosion resistance in many environments
Good ductility, toughness and weldability
Cost-effective compared to austenitic grades
Can be precipitation hardened to increase strength
Good high temperature oxidation resistance
Readily formable using conventional techniques
Disadvantages of 430L Powder
Lower strength than martensitic or ferritic grades
Requires care during welding to avoid sensitization
Susceptible to chloride stress corrosion cracking
Limited high temperature tensile strength
Lower hardness and wear resistance than austenitic grades
Surface discoloration over time in outdoor exposure
Comparison With 304L Powder
430L vs 304L Stainless Steel Powder
| Parameter | 430L | 304L |
| Density | 7.7 g/cc | 8.0 g/cc |
| Strength | 450-650 MPa | 520-620 MPa |
| Corrosion resistance | Excellent | Outstanding |
| Heat resistance | Good | Excellent |
| Weldability | Good | Excellent |
| Cost | Low | High |
| Uses | Automotive, construction | Chemical processing, marine |
430L has slightly lower strength but better cost
304L has superior corrosion and heat resistance
430L has better room temperature toughness
304L is preferred for applications above 500°C
430L suited for outdoor structures and automotive parts
430L Powder FAQs
Q: What are the main applications of 430L stainless steel powder?
A: Main applications include automotive exhaust components, chemical processing equipment, oil and gas tools, architectural paneling and cladding, marine hardware, and manufacturing tooling.
Q: What precautions should be taken when working with 430L powder?
A: Recommended precautions include ventilation, PPE, proper grounding, inert atmosphere, avoiding ignition sources, using non-sparking tools, and safe storage in stable containers.
Q: What is the effect of niobium addition in 430L stainless steel?
A: Niobium provides precipitation strengthening through formation of nitrides and carbides. This strengthens the steel while retaining good corrosion resistance and ductility.
Q: How does 430L differ from 409 and 439 stainless steel grades?
A: 430L has higher corrosion resistance than 409 and higher strength than 439. It provides an optimal combination of corrosion resistance, formability, weldability and cost.
D2 Powder
D2 Powder
| Product | D2 Powder |
| CAS No. | 7782-39-0 |
| Appearance | White-Off White Powder |
| Purity | ≥99%,  ≥99.9%,  ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range. |
| Ingredient | C28H44O2 |
| Density | 7.7g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-350/25 |
D2 Description:
D2 Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing.
D2 Powder Related Information :
Storage Conditions:
Airtight sealed, avoid light and keep dry at room temperature.
Please contact us for customization and price inquiry
Email:Â contact@nanochemazone.com
Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.
D2 Powder
D2 powder is a cold work tool steel powder offering an excellent combination of high hardness, wear resistance, and toughness. It is a versatile chromium-molybdenum-vanadium alloy widely used for pressing into cutting tools, dies, precision parts, and wear components across industrial sectors.
Overview of D2 Powder
D2 powder is a cold work tool steel powder offering an excellent combination of high hardness, wear resistance, and toughness. It is a versatile chromium-molybdenum-vanadium alloy widely used for pressing into cutting tools, dies, precision parts, and wear components across industrial sectors.
Key properties and advantages of D2 powder include:
D2 Powder Properties and Characteristics
| Properties | Details |
| Composition | Fe-1.5Cr-0.3C-0.4V-1Mo alloy |
| Density | 7.7 g/cc |
| Particle shape | Spherical or irregular |
| Size range | 10-150 microns |
| Apparent density | Up to 60% of true density |
| Flowability | Good |
| Hardness | 60-62 HRC when heat treated |
| Toughness | Very good |
D2’s exceptional combination of hardness, strength, and impact resistance make it the top choice for cold work tooling needing extended service life.
D2 Powder Composition
| Element | Weight % |
| Iron (Fe) | Balance |
| Chromium (Cr) | 11-13% |
| Carbon (C) | 1.4-1.6% |
| Molybdenum (Mo) | 0.75-1.2% |
| Vanadium (V) | 0.7-1.2% |
| Manganese (Mn) | 0.3-0.6% |
| Silicon (Si) | 0.15-0.4% |
Iron provides the ferritic matrix
Chromium contributes to hardness and wear resistance
Carbon enables high hardness in heat treated condition
Molybdenum and vanadium form carbides enhancing wear resistance
Manganese and silicon improve solid solution strengthening
D2 Powder Physical Properties
| Property | Value |
| Density | 7.7 g/cc |
| Melting point | 1460-1500°C |
| Thermal conductivity | 21 W/mK |
| Electrical resistivity | 0.7 μΩ-m |
| Curie temperature | 1010°C |
| Maximum service temperature | 180-200°C |
High density provides component miniaturization capabilities
Retains high hardness and strength at elevated temperatures
Becomes paramagnetic above Curie point
Relatively low service temperature due to tempering effect
The properties allow D2 to be used in cold work tooling applications at high hardness levels.
D2 Powder Mechanical Properties
| Property | Value |
| Hardness | 60-62 HRC |
| Transverse rupture strength | 1900-2100 MPa |
| Tensile strength | 2050-2200 MPa |
| Yield strength | 1700-1900 MPa |
| Elongation | 8-11% |
| Impact toughness | 12-15 J/cm2 |
Exceptional hardness when heat treated
Very high strength with reasonable ductility
Excellent impact toughness for a tool steel
High fatigue strength for extended tool life
Strength and ductility values depend on heat treatment
The properties make D2 suitable for the most demanding cold work tooling and die applications requiring extreme wear resistance.
D2 Powder Applications
| Industry | Example Uses |
| Manufacturing | Press tooling, punch and dies |
| Automotive | Blank, pierce, trim, and forming dies |
| Aerospace | Forming dies, fixtures |
| Consumer goods | Razors, knives, scissors |
| Industrial | Drawing dies, thread rolling dies |
Some specific product uses:
Cold heading dies for fastener manufacturing
Coining dies for minting precise parts
Thread rolling dies for bolt production
Draw, punch, blanking dies across sectors
Surgical tools and cutlery
Pelletizing tooling
D2 is the premier powder metal tool steel preferred for the longest lasting cold work tooling, metal forming dies, and precision components across all industries.
D2 Powder Standards
| Standard | Description |
| ASTM A681 | Standard for tool steels alloys |
| DIN 1.2379 | Equivalent to AISI D2 |
| JIS G 4404 | Cold work tool steels |
| ISO 4957 | Tool steels |
| GOST 5950 | Tool steel grades |
These define:
Chemical composition limits of D2 steel
Required mechanical properties in heat treated condition
Permissible impurities
Approved production methods like gas atomization
Compliance testing protocols
Packaging, identification requirements
D2 powder made to these specifications ensures suitability for tooling applications requiring maximum wear resistance, impact toughness and dimensional stability.
D2 Powder Particle Sizes
| Particle Size | Characteristics |
| 10-22 microns | Ultrafine grade provides highest density |
| 22-53 microns | Most commonly used size range |
| 53-105 microns | Coarser size provides good flowability |
Finer particles allow greater densification during sintering
Coarser particles improve powder flow into die cavities
Size is selected based on final part properties needed
Both gas and water atomized particles used
Controlling size distribution optimizes pressing behavior, sintered density, and final component performance.
D2 Powder Apparent Density
| Apparent Density | Details |
| Up to 60% of true density | For spherical powder morphology |
| 4.5-5.5 g/cc typical | Higher density improves flow and compressibility |
Spherical powder shape provides high apparent density
Irregular powder has lower density around 50%
Higher apparent density improves press fill efficiency
Enables easier compaction into complex tool geometries
Higher apparent density leads to better manufacturing productivity and component quality.
| Method | Details |
| Gas atomization | High pressure inert gas breaks up molten alloy stream into fine droplets |
| Vacuum induction melting | High purity input materials melted under vacuum |
| Multiple remelting | Enhances chemical homogeneity |
| Sieving | Classifies powder into different particle size fractions |
Gas atomization provides spherical powder shape
Vacuum melting eliminates gaseous impurities
Multiple remelting improves uniformity
Post-processing allows particle size customization
Fully automated processes combined with strict quality control ensures reliable and consistent properties of D2 powder critical for tooling performance.
D2 Powder Handling and Storage
| Recommendation | Reason |
| Ensure adequate ventilation | Prevent exposure to fine metal particles |
| Wear protective gear | Avoid accidental ingestion |
| Ground all equipment | Prevent static sparks |
| Avoid ignition sources | Flammable dust risk |
| Use non-sparking tools | Prevent ignition during handling |
| Follow safe protocols | Reduce fire, explosion, and health risks |
Storage Recommendations
Store sealed containers in a cool, dry area
Limit exposure to moisture, acids, chlorides
Maintain temperatures below 27°C
Proper precautions during handling and storage help preserve purity and prevent health or fire hazards.
D2 Powder Inspection and Testing
| Test | Details |
| Chemical analysis | Verifies composition using optical or ICP spectroscopy |
| Particle size distribution | Determines sizes using laser diffraction or sieving |
| Apparent density | Measured using Hall flowmeter as per ASTM B212 |
| Powder morphology | SEM imaging to determine particle shape |
| Flow rate analysis | Gravity flow rate through specified funnel |
| Tap density test | Density measured after mechanically tapping powder sample |
Testing ensures the powder meets the required chemical composition, physical characteristics, particle size distribution, morphology, density, and flow rate specifications.
D2 Powder Pros and Cons
Advantages of D2 Powder
Exceptional hardness when heat treated
Excellent wear and abrasion resistance
Very high strength combined with good impact toughness
Dimensional stability in cold work service
Good grindability compared to other tool steels
Relatively cost-effective
Limitations of D2 Powder
Moderate corrosion resistance without surface treatment
Limited high temperature strength and creep resistance
Requires careful heat treatment by experienced providers
Not weldable using conventional welding methods
Large sections can experience embrittlement
Brittle fracture mode limits cold formability
Comparison With S7 Tool Steel Powder
D2 vs S7 Tool Steel Powder
| Parameter | D2 | S7 |
| Hardness | 60-62 HRC | 63-65 HRC |
| Toughness | Very good | Good |
| Wear resistance | Excellent | Outstanding |
| Corrosion resistance | Moderate | Low |
| Cold strength | Excellent | Very good |
| Cost | Low | High |
D2 has slightly lower hardness but much better toughness
S7 provides the maximum wear resistance
D2 has better corrosion resistance uncoated
S7 has higher hot hardness and hot strength
D2 is more cost effective
D2 Powder FAQs
Q: What are the main applications of D2 tool steel powder?
A: Main applications include cold pressing tooling, blanking and punching dies, coin minting dies, thread rolling dies, surgical tools, knives, industrial knives, and precision ground shafts and pins.
Q: What heat treatment is used for D2 tool steel powder?
A: D2 is typically heat treated by austenitizing at 1010-1040°C, quenching in oil or air, and tempering at 150-350°C to achieve a hardness of 60-62 HRC.
Q: How does vanadium improve the properties of D2 steel?
A: Vanadium forms fine carbides with iron and chromium that impart significant wear resistance and abrasion resistance while also enhancing impact toughness.
Q: What precautions should be taken when working with D2 powder?
A: Recommended precautions include ventilation, inert atmosphere, avoiding ignition sources, grounding equipment, using non-sparking tools, protective gear, and safe storage away from moisture or contamination.
H13 Alloy Steel Powder
H13 Alloy Steel Powder
| Product | H13 Alloy Steel Powder |
| CAS No. | N/A |
| Appearance | Gray to Dark Gray Powder |
| Purity | ≥99%,  ≥99.9%,  ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range. |
| Ingredient | Fe-Cr-Mo-V-C |
| Density | 7.80g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-351/25 |
H13 Alloy Steel Description:
H13 Alloy Steel Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing.
H13 Alloy Steel Powder Related Information :
Storage Conditions:
Airtight sealed, avoid light and keep dry at room temperature.
Please contact us for customization and price inquiry
Email:Â contact@nanochemazone.com
Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.
H13 Alloy Steel Powder For 3D Printing
Our nitrogen atomized H13 alloy steel powder has good hardenability, thermal strength, wear resistance and high impact toughness, thermal fatigue, widely used in the manufacture of hot work molds.Wear is one of the main failure modes of H13 steel hot-working die. Improving the surface wear resistance of H13 steel is an effective way to improve the life of die.
H13 alloy steel powder is a highly versatile and widely used material in various industrial applications, particularly in the field of metal additive manufacturing (AM). This chromium-molybdenum hot-work tool steel is renowned for its exceptional properties, such as high hardness, excellent wear resistance, and good toughness, even at elevated temperatures.
| Composition | Content (%) |
| Carbon | 0.32 – 0.45 |
| Chromium | 4.75 – 5.50 |
| Molybdenum | 1.10 – 1.75 |
| Vanadium | 0.80 – 1.20 |
| Silicon | 0.80 – 1.20 |
| Manganese | 0.20 – 0.50 |
| Iron | Balance |
Typical chemical composition of H13 alloy steel powder
Properties and Characteristics
| Property | Value |
| Density | 7.8 g/cm³ |
| Hardness (Annealed) | 185 – 235 HB |
| Hardness (Heat Treated) | 48 – 52 HRC |
| Tensile Strength (Heat Treated) | 1800 – 2100 MPa |
| Yield Strength (Heat Treated) | 1500 – 1800 MPa |
| Elongation (Heat Treated) | 10 – 15% |
| Thermal Conductivity | 28.6 W/m·K at 20°C |
| Melting Point | 1427 – 1510°C |
Typical properties of H13 alloy steel
H13 alloy steel powder exhibits excellent dimensional stability, creep resistance, and thermal fatigue resistance, making it an ideal choice for various industrial applications. Its high hardness and wear resistance make it suitable for producing tools, dies, and components subjected to severe mechanical and thermal stresses.
Applications
| Application | Description |
| Extrusion Dies | Used for hot extrusion of metals, plastics, and other materials |
| Forging Dies | Utilized in hot forging processes for various metal components |
| Injection Molds | Employed in plastic injection molding for manufacturing plastic parts |
| Hot Shear Blades | Used in hot shearing operations for cutting metals at elevated temperatures |
| Casting Tooling | Utilized in the production of castings for various industries |
| Powder Metallurgy Tooling | Employed in the manufacturing of powder metallurgy components |
| Additive Manufacturing (AM) Components | Used for producing high-performance components via metal 3D printing techniques |
Common applications of H13 alloy steel powder
Specifications, Sizes, and Grades
| Specification | Description |
| ASTM A681 | Standard specification for tool steels alloy |
| DIN 1.2344 | German standard for hot-work tool steel |
| JIS SKD61 | Japanese Industrial Standard for hot-work die steel |
| BS BH13 | British Standard for hot-working die steel |
| AISI H13 | American Iron and Steel Institute specification for hot-work die steel |
Common specifications and standards for H13 alloy steel
H13 alloy steel powder is typically available in various particle size distributions, ranging from coarse to fine powders, to meet the requirements of different additive manufacturing processes, such as laser powder bed fusion (LPBF), electron beam powder bed fusion (EBPBF), and binder jetting.
FAQs
Q1: What makes H13 alloy steel powder suitable for additive manufacturing?
A1: H13 alloy steel powder’s excellent mechanical properties, thermal resistance, and dimensional stability make it an ideal material for producing high-performance components via additive manufacturing processes like laser powder bed fusion and electron beam powder bed fusion.
Q2: Can H13 alloy steel powder be used for other manufacturing processes besides additive manufacturing?
A2: Yes, H13 alloy steel powder can also be used in conventional manufacturing processes like powder metallurgy, hot isostatic pressing (HIP), and metal injection molding (MIM).
Q3: What are the typical post-processing steps for components made from H13 alloy steel powder?
A3: Common post-processing steps for H13 alloy steel components include heat treatment, hot isostatic pressing (HIP), machining, and surface finishing operations like grinding, polishing, or coating.
Q4: How does the particle size distribution of H13 alloy steel powder affect its performance in additive manufacturing?
A4: The particle size distribution plays a crucial role in the flowability, packing density, and processability of the powder during additive manufacturing. Finer powders generally provide better resolution and surface finish, while coarser powders may exhibit better mechanical properties.
Q5: Are there any specific safety precautions to consider when handling H13 alloy steel powder?Â
A5: Yes, proper safety measures should be taken when handling H13 alloy steel powder, including the use of personal protective equipment (PPE), adequate ventilation, and proper disposal of waste materials. Additionally, precautions should be taken to prevent static discharge and dust explosions.
M2 Powder
M2 Powder
| Product | M2 Powder |
| CAS No. | N/A |
| Appearance | Gray Powder |
| Purity | ≥99%,  ≥99.9%,  ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range. |
| Ingredient | Fe-C-Cr-Mo-W-V |
| Density | N/A |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-254/25 |
M2 Description:
M2 Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing
M2 Powder Related Information :
Storage Conditions:
Airtight sealed, avoid light and keep dry at room temperature.
Please contact us for customization and price inquiry
Email: contact@nanochemazone.com
Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.
M2 Powder
M2 is a high-speed steel powder characterized by its high hardness and wear resistance along with good toughness and compressive strength. It is widely used in metal additive manufacturing to produce durable tooling for cutting, forming and stamping applications.
M2 is a high-speed steel powder characterized by its high hardness and wear resistance along with good toughness and compressive strength. It is widely used in metal additive manufacturing to produce durable tooling for cutting, forming and stamping applications.
Composition of M2 Powder
| Element | Weight % | Purpose |
| Tungsten | 6.0 – 6.8 | Hardness, wear resistance |
| Molybdenum | 4.8 – 5.5 | Toughness, strength |
| Chromium | 3.8 – 4.5 | Hardening, wear resistance |
| Vanadium | 1.9 – 2.2 | Hardening, wear resistance |
| Carbon | 0.78 – 0.88 | Hardening |
| Manganese | 0.15 – 0.45 | Hardening |
| Silicon | 0.15 – 0.45 | Deoxidizer |
The high tungsten, molybdenum and chromium content impart excellent hardness and wear resistance.
Properties of M2 Powder
| Property | Description |
| Hardness | 64 – 66 HRC when heat treated |
| Wear resistance | Excellent abrasion and erosion resistance |
| Toughness | Higher than tungsten carbide grades |
| Compressive strength | Up to 300 ksi |
| Heat resistance | Can be used up to 600°C |
| Corrosion resistance | Better than plain carbon steels |
The properties make M2 suitable for durable cutting, stamping and forming tooling.
AM Process Parameters for M2 Powder
| Parameter | Typical value | Purpose |
| Layer height | 20-50 μm | Resolution versus build speed |
| Laser power | 250-500 W | Sufficient melting without evaporation |
| Scan speed | 400-1200 mm/s | Density versus production rate |
| Hatch spacing | 80-120 μm | Mechanical properties |
| Support structure | Minimal | Easy removal |
| Hot isostatic pressing | 1160°C, 100 MPa, 3 hrs | Eliminate porosity |
Parameters tailored for density, microstructure, build rate and post-processing requirements.
Applications of 3D Printed M2 Tooling
| Industry | Tooling applications |
| Automotive | Stamping dies, forming tools, fixtures |
| Aerospace | Jigs, fixtures, trim tools |
| Appliances | Punches, blanking dies, bending dies |
| Consumer goods | Injection molds, stamping dies |
| Medical | Cutting tools, rasps, drill guides |
Benefits over traditionally processed M2 tooling include complexity, lead time and cost reduction.
Specifications of M2 Powder for AM
M2 powder must meet strict specifications:
| Parameter | Specification |
| Particle size range | 15-45 μm typical |
| Particle shape | Spherical morphology |
| Apparent density | > 4 g/cc |
| Tap density | > 6 g/cc |
| Hall flow rate | > 23 sec for 50 g |
| Purity | >99.9% |
| Oxygen content | <300 ppm |
Custom size distributions and controlled moisture levels available.
Handling and Storage of M2 Powder
As a reactive material, careful M2 powder handling is essential:
Store sealed containers away from moisture, sparks, ignition sources
Use inert gas padding during transfer and storage
Ground equipment to dissipate static charges
Avoid dust accumulation through extraction systems
Follow applicable safety precautions
Proper techniques ensure optimal powder condition.
Inspection and Testing of M2 Powder
| Method | Parameters Tested |
| Sieve analysis | Particle size distribution |
| SEM imaging | Particle morphology |
| EDX | Chemistry and composition |
| XRD | Phases present |
| Pycnometry | Density |
| Hall flow rate | Powder flowability |
Testing per ASTM standards verifies powder quality and batch consistency.
Comparing M2 to Alternative Tool Steel Powders
M2 compares to other tool steel alloys as:
| Alloy | Wear Resistance | Toughness | Cost | Ease of Processing |
| M2 | Excellent | Good | Medium | Fair |
| H13 | Good | Excellent | Low | Excellent |
| S7 | Excellent | Fair | High | Difficult |
| 420 stainless | Poor | Excellent | Low | Excellent |
With its balanced properties, M2 supersedes alternatives for many wear-resistant tooling applications.
Pros and Cons of M2 Powder for Metal AM
| Pros | Cons |
| Excellent hardness and wear resistance | Lower toughness than cold work tool steels |
| Good heat resistance and thermal stability | Required post-processing like HIP and heat treatment |
| Established credentials for metal AM | Controlled atmosphere storage required |
| Cost advantage over exotic tool steels | Difficult to machine after printing |
| Properties match conventional M2 | Limited corrosion resistance |
M2 enables high wear resistance additive tooling, though not suitable for highly corrosive environments.
Frequently Asked Questions about M2 Powder
Q: What particle size range works best for printing M2 powder?
A: A typical range is 15-45 microns. It provides optimal powder flowability combined with high resolution and dense parts.
Q: What post-processing methods are used for M2 AM parts?
A: Hot isostatic pressing, heat treatment, surface grinding/EDM, and shot peening are typically used to eliminate voids, harden, and finish parts.
Q: Which metal 3D printing process is ideal for M2 alloy?
A: M2 can be effectively printed using selective laser melting (SLM), direct metal laser sintering (DMLS) and electron beam melting (EBM) processes.
Q: What accuracy and surface finish can be expected for M2 printed parts?
A: Post-processed M2 components can achieve dimensional tolerances and surface finish comparable to CNC machined M2 tooling.
Q: What industries use additively manufactured M2 tooling components?
A: Automotive, aerospace, medical, consumer goods, appliances, and industrial sectors benefit from 3D printed M2 tooling.
Q: What is the key difference between M2 and M4 grades of high speed steel?
A: M4 has slightly lower vanadium and molybdenum content leading to a better combination of wear resistance and toughness compared to M2.
Q: Does M2 require support structures when 3D printing?
A: Minimal supports are recommended on overhangs and bridges to prevent deformation and allow easy removal after printing.
Q: What density can be expected with optimized M2 3D printed parts?
A: Density above 99% is achievable for M2 using ideal parameters tailored specifically for this alloy.
Q: What defects can occur when printing M2 powder?
A: Potential defects are cracking, distortion, porosity, incomplete fusion, and surface roughness. Most can be prevented through optimized parameters.
Q: Is HIP required for all M2 AM tooling components?
A: While highly recommended, HIP may not be absolutely necessary for non-critical tooling applications. Heat treatment alone may suffice.
S2 Powder
S2 Powder
| Product | S2 Powder |
| CAS No. | 77404-34-9 |
| Appearance | Metallic Powder |
| Purity | ≥99%,  ≥99.9%,  ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range. |
| Ingredient | S-2 |
| Density | 7.8-8.1g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-355/25 |
S2 Description:
M2 Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing.
S2 Powder Related Information :
Storage Conditions:
Airtight sealed, avoid light and keep dry at room temperature.
Please contact us for customization and price inquiry
Email: contact@nanochemazone.com
Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.
S2 Powder
S2 powder is a high speed tool steel powder ideal for making cutting tools requiring high hardness, strength, and wear resistance at elevated temperatures. It contains tungsten, molybdenum, vanadium, and additional alloys providing excellent hot hardness and thermal fatigue resistance.
Overview of S2 Powder
S2 powder is a high speed tool steel powder ideal for making cutting tools requiring high hardness, strength, and wear resistance at elevated temperatures. It contains tungsten, molybdenum, vanadium, and additional alloys providing excellent hot hardness and thermal fatigue resistance.
Key properties and advantages of S2 powder:
S2 Powder Properties and Characteristics
| Properties | Details |
| Composition | Fe-1C-5Cr-2.35Mo-6.4W-1.4V-2Si alloy |
| Density | 7.7 g/cc |
| Particle shape | Irregular, angular |
| Size range | 10-150 microns |
| Apparent density | Up to 50% of true density |
| Flowability | Low to moderate |
| Hardness | 62-64 HRC when heat treated |
| Toughness | Very good |
S2 powder produces cutting tools, dies, and machine components with extended service life under continuous high temperature and intermittent shock loading conditions.
S2 Powder Composition
| Element | Weight % |
| Iron (Fe) | Balance |
| Carbon (C) | 0.9-1.2% |
| Chromium (Cr) | 3.8-4.5% |
| Tungsten (W) | 6.4% |
| Molybdenum (Mo) | 1.9-2.2% |
| Vanadium (V) | 1.3-1.6% |
| Manganese (Mn) | 0.2-0.5% |
| Silicon (Si) | 0.9-1.4% |
Iron provides the ferritic matrix
Carbon, tungsten, and chromium form hard carbides
Vanadium and molybdenum enhance wear resistance
Manganese and silicon facilitate machining
S2 Powder Physical Properties
| Property | Values |
| Density | 7.7 g/cc |
| Melting point | 1320-1350°C |
| Thermal conductivity | 37 W/mK |
| Electrical resistivity | 0.6 μΩ-m |
| Maximum service temperature | 600°C |
| Curie temperature | 770°C |
High density enables miniaturized components
Retains hardness and strength at elevated temperatures
Becomes paramagnetic above Curie point
Can withstand prolonged service up to 600°C
Good thermal conductivity reduces thermal expansion stresses
These properties provide a balanced combination of hot hardness and thermal shock resistance required in high speed machining applications.
S2 Powder Mechanical Properties
| Property | Values |
| Hardness | 62-64 HRC |
| Transverse rupture strength | 4500-4800 MPa |
| Compressive strength | 3800-4100 MPa |
| Tensile strength | 2050-2250 MPa |
| Yield strength | 1930-2050 MPa |
| Elongation | 8-10% |
| Impact toughness | 10-14 J/cm2 |
Exceptional hardness when heat treated
High strength with reasonable ductility
Very good compressive and transverse rupture strength
Excellent red hardness at elevated temperatures
Strength depends on heat treatment process
S2 powder produces cutting tools and dies with hardness, strength, and thermal properties needed to machine challenging materials at high speeds and temperatures.
S2 Powder Applications
| Industry | Example Uses |
| Automotive | Cutting and milling tools |
| Aerospace | Drills, end mills |
| Manufacturing | Punches, forming dies |
| Oil and gas | Downhole tools, drill bits |
| General machining | Turning, boring, and planning tools |
Some specific product uses:
Cutting inserts, indexable tooling
Broaches, reamers, taps, threading dies
Metal slitting saws and industrial knives
Extrusion tooling and drawing dies
Cold heading and forging dies
Gauges, wear-resistant components
S2’s unique properties make it the top choice for reliable cutting tools and components used in demanding metalworking applications.
S2 Powder Specifications
Key specifications for S2 high speed steel powder:
S2 Powder Standards
| Standard | Description |
| ASTM A600 | Specification for tool steels high speed steel |
| JIS G4403 | High speed tool steels |
| DIN 1.2363 | Equivalent to AISI S7 high speed steel |
| UNS T11302 | Designation for AISI S2 grade |
| ISO 4957 | Tool steels specification |
These define:
Chemical composition limits of S2
Required mechanical properties in heat treated condition
Approved production methods like gas atomization
Compliance testing protocols
Quality assurance requirements
Proper packaging and identification
Powder produced to these standards ensures suitability for high wear resistance tooling applications under thermal fatigue conditions.
S2 Powder Particle Sizes
| Particle Size | Characteristics |
| 10-22 microns | Ultrafine grade provides highest density |
| 22-53 microns | Most commonly used size range |
| 53-105 microns | Coarser size provides good flowability |
Finer particles allow greater densification during sintering
Coarser particles improve powder flow into die cavities
Size is selected based on final part properties needed
Both gas and water atomized particles used
Controlling size distribution optimizes pressing behavior, sintered density, and final component performance.
S2 Powder Apparent Density
| Apparent Density | Details |
| Up to 50% of true density | For irregular powder morphology |
| 4.0-5.0 g/cc | Higher for spherical, lower for irregular powder |
Spherical powder shape provides high apparent density
Irregular powder has lower density around 45-50%
Higher apparent density improves die filling and part quality
Allows complex tool geometry compaction
Higher apparent density leads to better component production rate and performance.
S2 Powder Production
| Method | Details |
| Gas atomization | High pressure inert gas breaks up molten alloy stream into fine droplets |
| Vacuum induction melting | High purity input materials melted under vacuum |
| Multiple remelting | Enhances chemical homogeneity |
| Sieving | Classifies powder into different particle size fractions |
Gas atomization provides spherical powder shape
Vacuum melting eliminates gaseous impurities
Multiple remelting improves uniformity
Post-processing allows particle size customization
Fully automated processes combined with strict quality control ensures reliable and consistent S2 powder properties critical for tooling performance.
S2 Powder Handling and Storage
| Recommendation | Reason |
| Ensure proper ventilation | Prevent exposure to fine metal particles |
| Use appropriate PPE | Avoid ingestion through nose/mouth |
| Ground equipment | Prevent static sparking |
| Avoid ignition sources | Flammable dust hazard |
| Use non-sparking tools | Prevent possibility of ignition |
| Follow safe protocols | Reduce fire, explosion, health risks |
Storage Recommendations
Store sealed containers away from moisture or contamination
Maintain storage temperatures below 27°C
Limit exposure to oxidizing acids and chlorine compounds
Proper precautions during handling and storage help preserve purity and prevent safety hazards.
S2 Powder Testing
| Test | Details |
| Chemical analysis | Verifies composition using optical/ICP spectroscopy |
| Particle size analysis | Determines size distribution using laser diffraction or sieving |
| Apparent density | Measured as per ASTM B212 using Hall flowmeter |
| Powder morphology | SEM imaging to determine particle shape |
| Flow rate test | Gravity flow rate through specified funnel |
| Tap density test | Density measured after mechanically tapping powder sample |
Testing ensures the powder meets the required chemical composition, physical characteristics, particle size distribution, morphology, density, and flow rate specifications.
S2 Powder Pros and Cons
Exceptional hot hardness and red hardness
High strength and wear resistance at elevated temperatures
Good toughness and thermal shock resistance
Resists softening and shape changes up to 600°C
Dimensional stability under thermal cycling
Cost-effective compared to exotic PM tool steel grades
Limitations of S2 Powder
Moderate corrosion resistance without surface treatment
Limited cold formability and shear strength
Requires careful heat treatment by experienced providers
Not weldable using conventional fusion welding
Large cross-sections can experience embrittlement
Contains expensive alloying elements
Comparison With H13 Tool Steel Powder
S2 vs H13 Tool Steel Powder
| Parameter | S2 | H13 |
| Hardness | 62-64 HRC | 54-57 HRC |
| Hot hardness | Excellent | Good |
| Toughness | Very good | Good |
| Thermal shock resistance | Excellent | Moderate |
| Cold strength | Good | Excellent |
| Cost | High | Low |
S2 has much greater hot hardness and thermal shock resistance
H13 provides better cold strength and toughness
S2 is more expensive due to higher alloy content
S2 preferred for high speed machining applications
H13 suited for cold and warm pressing tooling
S2 Powder FAQs
Q: What are the main applications of S2 tool steel powder?
A: Main applications include cutting tools like drills, mills, inserts, taps, dies, saws, planning tools, as well as extrusion tooling, forging dies, gauges, and components needing hot hardness and thermal shock resistance.
Q: What heat treatment is used for S2 tool steel powder?
A: S2 tool steel is typically heat treated by austenitizing between 1150-1200°C followed by air, oil, or polymer quenching, then tempering between 540-650°C to achieve hardness between 62-64 HRC.
Q: How does tungsten improve the properties of S2 steel?
A: Tungsten forms hard tungsten-iron-carbon complexes that provide exceptional hot hardness, strength and wear resistance at elevated temperatures needed for high speed machining applications.
Q: What safety precautions should be used when working with S2 powder?
A: Proper ventilation, protective gear, inert atmosphere, grounding, avoiding ignition sources, using non-sparking tools, and safe storage away from contamination or moisture.

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