IN939 Powder
$0.00
IN939 Powder
| Product | IN939 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 | C6H6N6O6 |
| Density | 8.15g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-280/25 |
IN939 Description:
IN939 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
IN939 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.
Best IN939 Powder for 3D Printing in 2024
IN939 powder is a nickel-based superalloy that exhibits exceptional mechanical properties and high resistance to corrosion and oxidation. It is primarily composed of nickel, chromium, cobalt, molybdenum, and tantalum. This composition gives IN939 powder its remarkable strength, heat resistance, and stability at elevated temperatures.
Overview of IN939 Powder for 3D Printing
IN939 is a high-performance nickel-based superalloy powder designed for additive manufacturing of critical components needing exceptional mechanical properties at high temperatures. This article provides a comprehensive guide to IN939 powder for 3D printing applications across aerospace, automotive, energy and industrial sectors.
Key aspects covered include IN939 composition, properties, print parameters, applications, specifications, suppliers, handling, inspection, comparisons to alternatives, advantages and limitations, and frequently asked questions. Quantitative data is presented in easy-to-reference tables.
Composition of IN939 Powder
IN939 has a complex precipitation hardening alloy composition:
| Element | Weight % | Purpose |
| Nickel | Balance | Principal matrix element |
| Chromium | 15 – 18 | Oxidation resistance |
| Aluminum | 3.8 – 4.8 | Precipitation hardening |
| Titanium | 0.9 – 1.4 | Precipitation hardening |
| Cobalt | 12 – 15 | Solid solution strengthening |
| Tantalum | 3.8 – 4.8 | Carbide former |
| Carbon | 0.05 – 0.15 | Carbide former |
| Boron | 0.006 – 0.012 | Grain boundary strengthener |
Trace quantities of zirconium, magnesium and sulphur are also added for enhanced properties.
Properties of IN939 Powder
IN939 possesses an exceptional combination of properties:
| Property | Description |
| High strength | Excellent tensile and creep rupture strength up to 1050°C |
| Thermal stability | Strength maintained up to 1000°C |
| Creep resistance | High stress-rupture life at high temperatures |
| Oxidation resistance | Forms protective Cr2O3 oxide scale |
| Thermal fatigue resistance | Resists cracking during thermal cycling |
| Phase stability | Microstructure stable after prolonged exposures |
| Corrosion resistance | Resistant to hot corrosion, oxidation, sulfidation |
The properties enable use under extreme thermal and mechanical loads.
3D Printing Parameters for IN939 Powder
Typical AM processing parameters for IN939 include:
| Parameter | Typical value | Purpose |
| Layer thickness | 20-50 μm | Resolution vs build speed |
| Laser power | 250-500 W | Sufficient melting without evaporation |
| Scan speed | 800-1200 mm/s | Density vs production rate |
| Hatch spacing | 100-200 μm | Mechanical properties |
| Support structure | Minimal | Easy removal |
| Hot isostatic pressing | 1160°C, 100 MPa, 3h | Eliminate porosity |
Parameters are optimized for attributes like density, microstructure, build rate, and post-processing requirements.
Applications of 3D Printed IN939 Parts
Additively manufactured IN939 components serve critical applications including:
| Industry | Components |
| Aerospace | Turbine blades, vanes, combustors |
| Power generation | Hot gas path parts, heat exchangers |
| Automotive | Turbocharger wheels, valves |
| Chemical processing | Pumps, valves, reaction vessels |
Benefits over conventionally processed IN939 include complex geometries and reduced lead time.
Specifications of IN939 Powder for 3D Printing
IN939 powder for AM must meet exacting specifications:
| Parameter | Specification |
| Particle size | 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 | <100 ppm |
Tighter tolerances, custom size distributions, and controlled impurity levels available.
Handling and Storage of IN939 Powder
As a reactive powder, careful handling of IN939 is needed:
Store sealed containers in a cool, inert atmosphere
Prevent contact with moisture, oxygen, acids
Use properly grounded equipment
Avoid dust accumulation to minimize explosion risk
Local exhaust ventilation recommended
Wear appropriate PPE while handling
Proper techniques and controls prevent IN939 powder oxidation or contamination.
Inspection and Testing of IN939 Powder
IN939 powder is validated using:
| 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 applicable ASTM standards ensures batch consistency.
Comparing IN939 to Alternative Alloy Powders
IN939 compares to other Ni-based superalloys as:
| Alloy | High Temperature Strength | Cost | Printability | Ductility |
| IN939 | Excellent | High | Excellent | Low |
| IN738 | Good | Medium | Excellent | Medium |
| IN718 | Fair | Low | Good | Excellent |
| Hastelloy X | Excellent | High | Fair | Medium |
For balanced properties and processability, IN939 supersedes alternatives like IN718 Powder or Hastelloy X Powder.
Pros and Cons of IN939 Powder for 3D Printing
| Pros | Cons |
| Exceptional high temperature strength | Expensive compared to IN718 |
| Excellent oxidation and creep resistance | Significant parameter optimization needed |
| Complex geometries feasible | Limited room temperature ductility |
| Faster processing than cast/wrought | Controlled storage and handling environment |
| Comparable properties to cast alloy | Difficult to machine after printing |
IN939 enables high-performance printed parts but with higher costs and controlled processing needs.
Frequently Asked Questions about IN939 Powder for 3D Printing
Q: What particle size range works best for printing IN939?
A: A particle size range of 15-45 microns provides good flowability combined with high resolution and density. Finer particles below 10 microns can improve density and surface finish.
Q: Does IN939 require any post-processing after 3D printing?
A: Post processes like hot isostatic pressing, heat treatment, and machining are usually needed to eliminate porosity, relieve stresses, and achieve final tolerances and surface finish.
Q: What precision can be achieved with IN939 printed parts?
A: After post-processing, dimensional accuracy and surface finish comparable to CNC machined parts can be achieved with IN939 AM components.
Q: Are support structures necessary for printing IN939 powder?
A: Minimal supports are recommended for complex channels and overhangs to prevent deformation and facilitate easy removal. IN939 powder has good flowability.
Q: What alloy powder is the closest alternative to IN939 for AM?
A: IN738 is the closest alternative in terms of balanced properties and maturity for additive manufacturing. Other alloys like IN718 or Hastelloy X have some trade-offs.
Q: Is IN939 compatible with direct metal laser sintering (DMLS)?
A: Yes, IN939 is readily processable by major powder bed fusion techniques including DMLS along with selective laser melting (SLM) and electron beam melting (EBM).
Q: What density is achievable with 3D printed IN939 components?
A: With optimized parameters, densities over 99% are achievable, matching properties of traditionally processed IN939 products.
Q: How do the properties of printed IN939 compare to cast alloy?
A: Additively manufactured IN939 exhibits comparable or better mechanical properties and microstructure compared to conventional cast and wrought forms.
Q: What defects can occur when printing with IN939 powder?
A: Potential defects are cracking, distortion, porosity, surface roughness, incomplete fusion etc. Most can be prevented by proper parameter optimization and powder quality.
Q: Is hot isostatic pressing (HIP) mandatory for IN939 AM parts?
A: HIP eliminates internal voids and improves fatigue resistance. For less demanding applications, heat treatment alone may suffice instead of HIP.
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 any questions.
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Related products
GH 3625 Powder
GH 3625 Powder
| Product | GH 3625 Powder |
| CAS No. | 3526-43-0 |
| 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 | Ni-Fe-Cr-Mo |
| Density | N/A |
| Molecular Weight | 213.28g/mol |
| Product Codes | NCZ-DCY-283/25 |
GH 3625 Description:
GH 3526 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
GH 3625 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.
GH 3625 Powder
GH3625 powder is an age-hardenable nickel-iron base alloy containing 25% chromium along with additions of molybdenum and aluminum. It provides an exceptional combination of high strength, hardness, corrosion resistance, and oxidation resistance at elevated temperatures.
Overview of GH3625 Powder
GH 3625 powder is an age-hardenable nickel-iron base alloy containing 25% chromium along with additions of molybdenum and aluminum. It provides an exceptional combination of high strength, hardness, corrosion resistance, and oxidation resistance at elevated temperatures.
Key properties and advantages of GH3625 powder include:
GH3625 Powder Properties and Characteristics
| Properties | Details |
| Composition | Ni-25Cr-4.5Mo-3.5Al alloy |
| Density | 8.2 g/cc |
| Particle shape | Predominantly spherical |
| Size range | 15-45 microns |
| Apparent density | Up to 60% of true density |
| Flowability | Good |
| Strength | Very high after aging treatment |
| Corrosion resistance | Excellent including pitting and crevice corrosion |
GH3625 is widely used in aerospace, oil and gas, chemical processing, and power generation sectors needing high strength and corrosion resistance at elevated temperatures.
| Element | Weight % |
| Nickel | Balance |
| Chromium | 24-27% |
| Molybdenum | 4-5% |
| Aluminum | 3-4% |
| Carbon | 0.1% max |
| Manganese | 1% max |
| Silicon | 0.5% max |
| Sulfur | 0.015% max |
Nickel provides corrosion resistance and aids precipitation hardening
Chromium significantly improves oxidation and corrosion resistance
Molybdenum and aluminum facilitate precipitation strengthening
Carbon and other elements limited as impurities
The composition is optimized to provide peak strengthening from precipitation hardening as well as excellent corrosion and oxidation resistance.
GH3625 Powder Physical Properties
| Property | Values |
| Density | 8.2 g/cc |
| Melting point | 1390-1440°C |
| Thermal conductivity | 11 W/mK |
| Electrical resistivity | 52 μΩ-cm |
| Coefficient of thermal expansion | 13.0 x 10^-6 /K |
High density compared to steels and titanium alloys
Retains high strength at temperatures exceeding 1000°C
Relatively low thermal conductivity necessitates design considerations
CTE is moderate and similar to stainless steels
These properties make GH3625 suitable for high strength applications at elevated temperatures needing corrosion resistance.
GH3625 Powder Mechanical Properties
| Property | Condition | Values |
| Hardness | Solution annealed | 35 HRC |
| Hardness | Peak aged | 50-56 HRC |
| Tensile strength | Annealed | 1000 MPa |
| Tensile strength | Aged | 1500-1800 MPa |
| Yield strength | Aged | 1200-1600 MPa |
| Elongation | Aged | 10-15% |
Ages to very high strength levels exceeding other precipitation hardening alloys
Retains reasonable ductility in peak aged condition
Hardness increases substantially after aging treatment
Strength can be tailored through aging time and temperature
These properties make GH3625 suitable for components needing high strength combined with corrosion resistance.
GH3625 Powder Applications
| Industry | Uses |
| Aerospace | Turbine blades, bolts, fasteners |
| Oil and gas | Wellhead valves, downhole tools |
| Chemical processing | Extruder screws, valve parts |
| Power generation | Boiler components, steam and gas turbines |
Some specific product applications include:
Aerospace turbine engine blades, discs and fasteners
Bolting for high temperature petrochemical piping
Valve components used in corrosive chemical environments
Boiler superheater tubes and headers
Steam turbine blades and fasteners
GH3625 provides exceptional strength and corrosion resistance for critical components used at elevated temperatures across demanding industries.
GH3625 Powder Standards
| Standard | Description |
| AMS 5815 | Nickel alloy powder compositions |
| AMS 5408 | Wire, rods, and bars of precipitation hardening nickel alloys |
| AMS 5698 | Investment castings of PH nickel alloys |
| AMS 5772 | Nickel alloy forgings |
| AMS 5634 | Nickel alloy extruded shapes |
These define:
Chemical composition limits of GH3625
Required mechanical properties in different heat treatment conditions
Approved powder production method – inert gas atomization
Impurity limits for critical elements
Compliance testing protocols
Proper handling and storage instructions
Meeting these certification requirements ensures optimal performance.
GH3625 Powder Particle Size Distribution
| Particle Size | Characteristics |
| 15-25 microns | Ultrafine powder used in laser AM processes |
| 25-45 microns | Size range for most powder bed AM systems |
| 45-75 microns | Larger sizes used in laser cladding |
Finer powder provides higher resolution and surface finish
Coarser powder suitable for high deposition rate processes
Size distribution tailored based on AM method used
Spherical morphology maintained in all sizes
Controlling particle size distribution and morphology is critical for AM performance, final part properties and quality.
GH3625 Powder Apparent Density
| Apparent Density | Details |
| Up to 60% of true density | For spherical powder morphology |
| 4.5 – 5.2 g/cc | Improves with greater packing density |
Spherical powder shape provides high apparent density
Higher density improves powder flow and bed packing in AM
Reduces entrapped gas porosity in final part
Maximizing density minimizes press cycle time
Higher apparent density results in better manufacturing productivity and part performance.
GH3625 Powder Production Method
| Method | Details |
| Gas atomization | High pressure inert gas breaks up molten metal stream into fine droplets |
| Vacuum induction melting | High purity input materials melted under vacuum |
| Multiple remelting | Improves chemical homogeneity |
| Sieving | Classifies powder into different particle size fractions |
Gas atomization with inert gas produces clean spherical powder
Vacuum processing minimizes gaseous impurities
Multiple remelts improve uniformity of composition
Post-processing provides particle size distribution control
Automated methods combined with strict quality control result in consistent GH3625 powder suitable for critical applications.
GH3625 Powder Handling and Storage
| Recommendation | Reason |
| Ensure proper ventilation | Avoid exposure to fine metallic particles |
| Use appropriate PPE | Prevent accidental inhalation or ingestion |
| Follow safe protocols | Reduce health and fire hazards |
| Store sealed containers | Prevent contamination or oxidation |
GH3625 powder is relatively stable but general precautions are still recommended for safe handling and maintaining purity.
Storage Recommendations
Store in stable containers in a dry, cool area
Limit exposure to moisture which can degrade properties
Maintain temperatures below 30°C
Proper precautions preserve powder condition and prevent safety issues.
GH3625 Powder Inspection and Testing
| Test | Details |
| Chemical analysis | OES or XRF spectroscopy used to verify composition |
| Particle size distribution | Laser diffraction analysis |
| Apparent density | Measured as per ASTM B212 standard |
| Powder morphology | SEM imaging of particle shape |
| Flow rate analysis | Gravity flow rate through specified nozzle |
| Moisture measurement | Loss on drying analysis |
Testing ensures the powder meets the required chemical purity, particle characteristics, density specifications, morphology and flowability per relevant standards.
GH3625 Powder Pros and Cons
Advantages of GH3625 Powder
Exceptional high temperature strength and creep resistance
Retains strength and hardness up to 1100°C
Excellent corrosion resistance across environments
Good fatigue strength and fracture toughness
High hardness combined with reasonable ductility
Less dense than nickel superalloys
Limitations of GH3625 Powder
More expensive than stainless steel powders
Requires controlled heat treatment for optimal properties
Lower wear resistance than cobalt alloys
Difficult to machine after sintering
Limited cold heading and forming capability
Subject to pitting in strongly oxidizing acids
Comparison With Inconel 718 Powder
GH3625 vs Inconel 718 Powder
| Parameter | GH3625 | Inconel 718 |
| Density | 8.2 g/cc | 8.2 g/cc |
| Strength | Higher | Lower |
| Corrosion resistance | Excellent | Outstanding |
| Cost | Moderate | Very high |
| Uses | Oil and gas, chemical processing | Aerospace, nuclear |
GH3625 provides higher tensile strength
Inconel 718 offers better overall corrosion resistance
GH3625 is more cost effective
Inconel 718 is preferred for extreme environments
GH3625 provides optimal strength and cost balance
GH3625 Powder FAQs
Q: What are the main applications of GH3625 nickel alloy powder?
A: Main applications include aerospace turbine components, oil and gas wellhead valves and downhole tools, power generation parts, chemical processing equipment, and other high temperature components needing strength and corrosion resistance.
Q: Why is GH3625 preferred over stainless steel powders in high temperature applications?
A: GH3625 retains significantly higher strength compared to stainless steels at temperatures exceeding 650°C. It also provides excellent corrosion resistance in hot corrosive environments.
Q: What precautions should be taken when working with GH3625 powder?
A: Recommended precautions include ventilation, appropriate PPE, avoiding ignition sources, following safe handling protocols, and storing sealed containers away from moisture, air, and contamination.
Q: How does aluminum affect the properties of GH3625 alloy?
A: Aluminum enhances precipitation hardening by forming nickel-aluminum precipitates during aging treatment. This provides substantial strengthening while maintaining reasonable ductility.
GH 3625 Powder
GH 3625 Powder
| Product | GH 3625 Powder |
| CAS No. | 3526-43-0 |
| 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 | Ni-Fe-Cr-Mo |
| Density | N/A |
| Molecular Weight | 213.28g/mol |
| Product Codes | NCZ-DCY-287/25 |
GH 3625 Description:
GH 3526 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
GH 3625 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.
GH3625 powder Inconel 625 powder
GH3625 powder Inconel 625 powder is a Mo-Nb reinforced nickel-based high-temperature alloy.
| Metal Powder | Size | Quantity | Price/kg | Size | Quantity | Price/kg |
| Inconel 625 | 0-20μm | 1KG | $59 | 20-63μm | 1KG | $98.30 |
| 10KG | $39 | 10KG | $69.10 | |||
| 100KG | $34 | 100KG | $64.50 |
Overview
GH3625 powder Inconel 625 powder is an alloy powder used for metal additive manufacturing processes like selective laser sintering (SLS) and direct metal laser sintering (DMLS). It is a nickel-based superalloy that offers high strength, corrosion resistance, and excellent high-temperature properties.
GH3625 is designed specifically for additive manufacturing to produce complex, dense parts with exceptional mechanical properties comparable to wrought materials. It enables the production of lightweight components with complex geometries for aerospace, automotive, medical, and industrial applications.
This guide provides a detailed overview of GH3625 powder covering its composition, properties, applications, specifications, pricing, advantages, and limitations. Comparisons are made to other common alloys like Inconel 718 and Satellite 21 to highlight the performance and suitability of GH3625 for different uses. An FAQ section addresses key questions about this material.
GH3625 powder Inconel 625 powder Composition
GH3625 has a complex chemical composition designed to provide a combination of high strength, resistance to thermal fatigue, oxidation, and corrosion resistance. Here is an overview of its composition:
| Element | Weight % |
| Nickel | Balance |
| Chromium | 15-17% |
| Cobalt | 10% |
| Molybdenum | 8-10% |
| Tantalum | 5-6% |
| Aluminum | 1.2-1.7% |
| Titanium | 0.5-1.2% |
| Boron | 0.01% |
Nickel forms the base of this superalloy providing ductility and toughness. Elements like chromium, cobalt, and molybdenum contribute to high temperature strength through solid solution strengthening.
Tantalum provides solid solution strengthening and forms carbide particles for precipitation hardening. Aluminum and titanium form the gamma prime phase Ni3(Al,Ti) to give excellent high temperature mechanical properties. Boron enhances grain boundary strength.
The balanced composition gives GH3625 powder excellent weldability compared to precipitation hardening stainless steels. It can be easily post-processed through hot isostatic pressing (HIP), heat treatment, and machining.
GH3625 powder Inconel 625 powder Properties
GH3625 powder has the following physical and mechanical properties that make it suitable for demanding applications:
GH3625 powder Inconel 625 powder Properties
| Property | Value |
| Density | 8.1-8.5 g/cc |
| Melting Point | 1260-1335°C |
| Thermal Conductivity | 11-12.5 W/mK |
| Coefficient of Thermal Expansion | 12.5-13.5 x 10<sup>-6</sup>/K |
| Modulus of Elasticity | 156-186 GPa |
| Poission’s Ratio | 0.29-0.33 |
| Tensile Strength | 1050-1280 MPa |
| Yield Strength (0.2% offset) | 860-1050 MPa |
| Elongation | 8-15% |
| Hardness | 32-38 HRC |
The high melting point, thermal conductivity, and low coefficient of thermal expansion enable good dimensional stability under high temperature service environments up to 1000°C for limited periods.
The alloy has excellent tensile and yield strength comparable to wrought materials along with good ductility and fracture toughness. It exhibits high hardness, resistance to wear, galling, and abrasion.
The properties allow GH3625 to outperform stainless steels, cobalt alloys, and even rival precipitation hardening nickel superalloys in high temperature strength. It also offers better weldability than Inconel 718.
GH3625 powder Inconel 625 powder Applications
The combination of high strength, hardness, toughness, and thermal stability makes GH3625 suitable for:
GH3625 powder Inconel 625 powder Applications
| Industry | Components |
| Aerospace | Turbine blades, combustor parts, nozzle guide vanes |
| Automotive | Turbocharger wheels, manifolds, valves |
| Oil and Gas | Wellhead parts, downhole tools, valves |
| Power Generation | Heat exchangers, burner components |
| Chemical Processing | Pump impellers, valves, reaction vessels |
| Medical | Dental implants, prosthetics, surgical instruments |
The ability to 3D print complex geometries allows consolidating multiple parts into single components and lightweight lattice structures. This enables faster printing of single-piece components versus assembling multiple sections.
GH3625 is used to print blades, impellers, plates, discs, tubes with conformal cooling channels, and other mission-critical components working under high pressures and temperatures.
GH3625 powder Inconel 625 powder Specifications
GH3625 powder for AM processes is available in different size distributions, shapes, and formulations from various powder manufacturers.
GH3625 Powder Types
| Specification | Details |
| Particle Size Distribution | 15-45 μm, 15-53 μm, 53-150 μm |
| Particle Shape | Spherical, satellite, polyhedral |
| Alloy Modifications | With B, C, Zr, Nb, Ta |
| Manufacturing Method | Gas atomization, plasma atomization |
Gas atomization and plasma atomization produce spherical powders optimal for SLS/DMLS processes. Satellite powders have higher tap density and improve powder flowability.
Smaller 15-45 μm powders provide high resolution and surface finish while larger 53-150 μm allow faster build speeds. Different alloying additions like boron, carbon, zirconium, niobium, and tantalum are used to tailor material properties.
GH3625 powder Inconel 625 powder Standards
| Standard | Description |
| ASTM F3056 | Standard specification for additive manufacturing nickel alloy |
| AMS7016 | Nickel alloy powder for high temperature service |
| ASME B46.1 | Surface texture requirements |
GH3625 powder is qualified based on composition limits, particle size distribution, morphology, flowability, apparent density, and microstructure per ASTM F3056. Additional testing as per application standards is required.
GH3625 powder Inconel 625 powder Pros and Cons
GH3625 has the following advantages that make it a popular choice:
GH3625 Pros
Excellent strength and hardness up to 1000°C
Good corrosion and oxidation resistance
Weldable for post-processing
Higher ductility than Inconel 718
Can be age hardened by heat treatment
Complex geometries enabled by AM
Faster and cheaper than castings
Reduces part count through consolidation
More expensive than stainless steels
Lower strength than Inconel 718 above 550°C
Susceptible to strain-age cracking
Requires hot isostatic pressing (HIP)
Difficult to machine – requires specialist tools
Limited supplier data on long term performance
Proper selection of AM process parameters and post-processing mitigates some of the limitations of GH3625 powder.
Comparison of GH3625 powder Inconel 625 powder with Inconel 718 and Satellite 21
GH3625 occupies a niche between Inconel 718 and Satellite 21 in terms of properties and cost:
Alloy Comparison
| Property | GH3625 | Inconel 718 | Satellite 21 |
| Cost | Medium | High | Low |
| Density | High | Medium | High |
| Strength | Medium | Very High | Medium |
| Hardness | High | Medium | Very High |
| Wear Resistance | Medium | Low | Very High |
| Corrosion Resistance | Medium | High | Medium |
| Oxidation Resistance | Medium | High | Medium |
| Thermal Stability | Up to 1000°C | Up to 700°C | Up to 900°C |
| Weldability | Good | Poor | Medium |
| Manufacturability | Medium | Difficult | Easy |
GH3625 matches or exceeds the performance of Satellite 21 cobalt alloys in wear and corrosion resistance but at lower cost. It approaches the strength of Inconel 718 up to 550°C and offers better weldability and manufacturability.
This makes it a cost-effective alternative for many applications requiring performance between these standard alloys. The ability to 3D print complex geometries also gives it an edge.
GH3625 powder Inconel 625 powder – FAQs
Q: What is GH3625 powder?
A: GH3625 is a nickel-based superalloy powder specifically designed for additive manufacturing processes like selective laser sintering (SLS) and direct metal laser sintering (DMLS). It provides an excellent combination of high temperature strength, hardness, wear and corrosion resistance.
Q: What is GH3625 powder used for?
A: GH3625 powder is used to 3D print critical components like turbine blades, manifolds, impellers, heat exchangers that require high mechanical properties, dimensional stability, and thermal resistance up to 1000°C. It finds applications across aerospace, automotive, energy, chemical processing, and medical industries.
Q: What metal 3D printing processes use GH3625 powder?
A: Selective laser sintering (SLS) and direct metal laser sintering (DMLS) are powder bed fusion 3D printing processes commonly used with GH3625 powder. Binder jetting is also suitable for GH3625.
Q: What are the material properties of GH3625?
A: GH3625 has excellent tensile strength 1050-1280 MPa, yield strength 860-1050 MPa, and hardness 32-38 HRC similar to wrought materials. It has good ductility of 8-15% elongation and high resistance to wear, galling, abrasion, and corrosion. Thermal properties allow use up to 1000°C.
Q: Does GH3625 powder require heat treatment?
A: Yes, GH3625 parts printed using SLS/DMLS require hot isostatic pressing (HIP) followed by heat treatment to achieve optimal mechanical properties, material consolidation, and microstructure. HIP helps close internal pores and voids.
Q: Is GH3625 weldable?
A: GH3625 is designed to have excellent weldability compared to precipitation hardening stainless steels and Inconel 718. This allows repairing and joining AM GH3625 parts through welding. Stress relieving may be required after welding to prevent cracking.
Q: Is GH3625 machinable?
A: GH3625 is difficult to machine compared to stainless steel and requires high-speed machining with specialist carbide tools. Tool wear is higher so optimal feeds, speeds, and tool paths are necessary.
Q: How much does GH3625 powder cost?
A: GH3625 typically costs between $90-250 per kg based on order size, particle size distribution, manufacturing method, and additional testing/qualification requirements. It is more expensive than stainless steel powders but lower cost than Inconel 718.
GH3230 Powder
GH3230 Powder
| Product | GH3230 Powder |
| CAS No. | 3230-94-2 |
| 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 | Ni-Cr-Mo-W-Fe |
| Density | 7.8g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-284/25 |
GH3230 Description:
GH3230 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
GH3230 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.
GH3230 Powder
GH3230 powder is an age-hardenable nickel-iron base alloy containing 30% chromium along with additions of molybdenum and aluminum. It offers an exceptional combination of high strength, hardness, corrosion resistance, and oxidation resistance at elevated temperatures.
Overview of GH3230 Powder
GH3230 powder is an age-hardenable nickel-iron base alloy containing 30% chromium along with additions of molybdenum and aluminum. It offers an exceptional combination of high strength, hardness, corrosion resistance, and oxidation resistance at elevated temperatures.
GH3230 Powder Properties and Characteristics
| Properties | Details |
| Composition | Ni-30Cr-4Mo-2Al alloy |
| Density | 8.3 g/cc |
| Particle shape | Predominantly spherical |
| Size range | 10-45 microns |
| Apparent density | Up to 60% of true density |
| Flowability | Good |
| Strength | Very high after aging treatment |
| Corrosion resistance | Excellent including pitting and crevice corrosion |
| Element | Weight % |
| Nickel | Balance |
| Chromium | 28-32% |
| Molybdenum | 3-5% |
| Aluminum | 1-3% |
| Carbon | 0.1% max |
| Manganese | 1% max |
| Silicon | 0.5% max |
| Sulfur | 0.015% max |
Nickel provides corrosion resistance and facilitates precipitation hardening
Chromium significantly enhances oxidation and corrosion resistance
Molybdenum and aluminum enable precipitation strengthening
Carbon and other elements limited as impurities
The composition is designed to achieve peak strengthening from precipitation hardening along with excellent corrosion and oxidation resistance.
GH3230 Powder Physical Properties
| Property | Values |
| Density | 8.3 g/cc |
| Melting point | 1370-1420°C |
| Thermal conductivity | 12 W/mK |
| Electrical resistivity | 70 μΩ-cm |
| Coefficient of thermal expansion | 12.5 x 10^-6 /K |
High density compared to steels and titanium alloys
Retains high strength at temperatures exceeding 1000°C
Relatively low thermal conductivity necessitates design considerations
CTE is moderate and similar to stainless steels
These properties make GH3230 suitable for high strength applications at elevated temperatures needing corrosion resistance.
GH3230 Powder Mechanical Properties
| Property | Condition | Values |
| Hardness | Solution annealed | 37 HRC |
| Hardness | Peak aged | 52-58 HRC |
| Tensile strength | Annealed | 1100 MPa |
| Tensile strength | Aged | 1600-2000 MPa |
| Yield strength | Aged | 1400-1800 MPa |
| Elongation | Aged | 8-12% |
Ages to very high strength levels exceeding other precipitation hardening alloys
Retains reasonable ductility in peak aged condition
Hardness increases substantially after aging treatment
Strength can be tailored through aging time and temperature
These exceptional properties make GH3230 suitable for components needing very high strength combined with corrosion resistance.
| Industry | Uses |
| Aerospace | Turbine blades, bolts, fasteners |
| Oil and gas | Wellhead valves, downhole tools |
| Chemical processing | Extruder screws, valve parts |
| Power generation | Boiler components, steam and gas turbines |
Some specific product applications include:
Aerospace turbine engine blades, discs and fasteners
Bolting for high temperature petrochemical piping
Valve components used in corrosive chemical environments
Boiler superheater tubes and headers
Steam turbine blades and fasteners
GH3230 provides exceptional strength and corrosion resistance needed for critical components used at extreme temperatures across demanding industries.
GH3230 Powder Standards
| Standard | Description |
| AMS 5815 | Nickel alloy powder compositions |
| AMS 5408 | Wire, rods, bars of precipitation hardening nickel alloys |
| AMS 5698 | Investment castings of PH nickel alloys |
| AMS 5772 | Nickel alloy forgings |
| AMS 5634 | Nickel alloy extruded shapes |
These define:
Chemical composition limits of GH3230
Required mechanical properties in different heat treatment conditions
Approved powder production method – inert gas atomization
Impurity limits for critical elements
Compliance testing protocols
Proper handling and storage instructions
Meeting these certification requirements ensures optimal performance.
GH3230 Powder Particle Sizes
| Particle Size | Characteristics |
| 10-22 microns | Ultrafine powder used in laser AM processes |
| 22-45 microns | Size range for most powder bed AM systems |
| 45-75 microns | Larger sizes used in laser cladding or thermal spraying |
Finer powder provides higher resolution and surface finish in AM
Coarser powder suitable for high deposition rate processes
Size distribution tailored based on AM or other method used
Spherical morphology maintained in all sizes
Controlling particle size distribution and shape is critical for optimizing processing method performance and final part properties.
GH3230 Powder Apparent Density
| Apparent Density | Details |
| Up to 60% of true density | For spherical powder morphology |
| 4.8 – 5.5 g/cc | Improves with greater packing density |
Spherical powder shape provides high apparent density
Higher density improves powder flow and bed packing in AM
Reduces entrapped gas porosity in final part
Maximizing density minimizes press cycle time
Higher apparent density results in better manufacturing productivity and part performance.
GH3230 Powder Production Method
| Method | Details |
| Gas atomization | High pressure inert gas breaks up molten metal stream into fine droplets |
| Vacuum induction melting | High purity input materials melted under vacuum |
| Multiple remelting | Improves chemical homogeneity |
| Sieving | Classifies powder into different particle size fractions |
Gas atomization with inert gas produces clean spherical powder
Vacuum processing minimizes gaseous impurities
Multiple remelts improve uniformity of composition
Post-processing provides particle size distribution control
Automated methods combined with strict quality control result in consistent GH3230 powder suitable for critical applications.
GH3230 Powder Handling and Storage
| Recommendation | Reason |
| Ensure proper ventilation | Avoid exposure to fine metallic particles |
| Use appropriate PPE | Prevent accidental inhalation or ingestion |
| Follow safe protocols | Reduce health and fire hazards |
| Store sealed containers | Prevent contamination or oxidation |
GH3230 powder is relatively stable but general precautions are still recommended for safe handling and maintaining purity.
Storage Recommendations
Store in stable containers in a dry, cool area
Limit exposure to moisture which can degrade properties
Maintain temperatures below 30°C
Proper precautions preserve powder condition and prevent safety issues.
GH3230 Powder Inspection and Testing
| Test | Details |
| Chemical analysis | OES or XRF spectroscopy used to verify composition |
| Particle size distribution | Laser diffraction analysis |
| Apparent density | Measured as per ASTM B212 standard |
| Powder morphology | SEM imaging of particle shape |
| Flow rate analysis | Gravity flow rate through specified nozzle |
| Moisture measurement | Loss on drying analysis |
Testing ensures the powder meets the required chemical purity, particle characteristics, density specifications, morphology and flowability per relevant standards.
GH3230 Powder Pros and Cons
Advantages of GH3230 Powder
Excellent high temperature strength and creep resistance
Retains strength and hardness up to 1150°C
Outstanding corrosion resistance across environments
Good fatigue strength and fracture toughness
High hardness combined with reasonable ductility
Less dense than nickel superalloys
Limitations of GH3230 Powder
More expensive than stainless steel powders
Requires controlled heat treatment for optimal properties
Lower wear resistance than cobalt alloys
Difficult to machine after sintering
Limited cold heading and forming capability
Subject to pitting in strongly oxidizing acids
Comparison With Inconel 718 Powder
GH3230 vs Inconel 718 Powder
| Parameter | GH3230 | Inconel 718 |
| Density | 8.3 g/cc | 8.2 g/cc |
| Strength | Higher | Lower |
| Corrosion resistance | Excellent | Outstanding |
| Cost | Moderate | Very high |
| Uses | Oil and gas, chemical processing | Aerospace, nuclear |
GH3230 provides higher tensile strength
Inconel 718 offers better overall corrosion resistance
GH3230 is more cost effective
Inconel 718 is preferred for extreme environments
GH3230 provides optimal strength and cost balance
GH3230 Powder FAQs
Q: What are the main applications of GH3230 nickel alloy powder?
A: Main applications include aerospace turbine components, oil and gas wellhead valves and downhole tools, chemical processing equipment, power generation parts, and other high temperature components needing exceptional strength and corrosion resistance.
Q: Why is GH3230 preferred over stainless steel powders in high temperature applications?
A: GH3230 retains significantly higher strength compared to stainless steels at temperatures exceeding 650°C. It also provides excellent corrosion resistance in hot corrosive environments.
Q: What precautions should be taken when working with GH3230 powder?
A: Recommended precautions include ventilation, appropriate PPE, avoiding ignition sources, following safe handling protocols, and storing sealed containers away from moisture, air, and contamination.
Q: How does chromium improve the properties of GH3230 alloy?
A: Chromium provides substantial improvement in oxidation and corrosion resistance. It also forms fine precipitates during aging treatment which contribute to precipitation hardening and strengthening.
GH4169 Powder
GH4169 Powder
| Product | GH4169 Powder |
| CAS No. | 7440-02-0 |
| Appearance | Gray Dull 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 | NiCr22Mo9Nb |
| Density | 8.19g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-290/25 |
GH4169 Description:
GH4169 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
GH4169 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.
GH4169 powder for metal 3d Printing
GH4169 is a Nb-Mo reinforced nickel-based high-temperature alloy. Its normal working environment is 253-650C. It has good mechanical properties below 650C. Under special circumstances, GH4169 can be used at 800°C for a short period of time.
| Metal Powder | Size | Quantity | Price/kg | Size | Quantity | Price/kg |
| Inconel 718 | 0-20μm | 1KG | 60.9 | 53-105μm | 1KG | 59 |
| 10KG | 39.8 | 10KG | 38 | |||
| 100KG | 34.5 | 100KG | 33 |
GH4169 is a Nb-Mo reinforced nickel-based high-temperature alloy. Its normal working environment is 253-650C. It has good mechanical properties below 650C. Under special circumstances, GH4169 can be used at 800°C for a short period of time. GH4169 is suitable for many high temperature applications, such as gas turbine components.
Physical properties
| Size range | Size distribution | Hall flow rate | Bulk density | Tap density | ||
| D10(μm) | D50(μm) | D90(μm) | ||||
| 15-53μm | 17-22 | 32-38 | 52-58 | ≤18s/50g | ≥4.20g/cm³ | ≥4.80g/cm³ |
Heat treatment recommendations
980-1060°C/1h/AC+720°C±10°C/8h/F一620C10C/8h/AC
| 815°C high temperature durability performance | |||
| Constant stress (δ/Mpa) | Duration(t/h) | Elongation after break(δ5/%) | |
| 690 | 80 | 5 | |
| Test temperature | Tensile strength (σb/Mpa) | Yield strength (σp0.2/Mpa) | Elongation (δ5/%) |
| 25℃ | 1270 | 1030 | 12 |
| 650℃ | 1000 | 860 | 12 |
Chemical composition range (wt,-%)
| Element | C | Cr | Ni | Co | Nb | Mo |
| wt％ | 0.02-0.06 | 17.00-21.00 | 50.00-55.00 | ≤1.00 | 4.75-5.50 | 2.80-3.30 |
| Element | Al | Ti | Fe | B | Mg | Mn |
| wt％ | 0.20-0.80 | 0.65-1.15 | Bal | ≤0.006 | ≤0.010 | ≤0.35 |
| Element | Si | P | S | Cu | O | N |
| wt％ | ≤0.35 | ≤0.015 | ≤0.015 | ≤0.30 | ≤0.020 | ≤0.015 |
IN738LC Powder
IN738LC Powder
| Product | INC738LC Powder |
| CAS No. | N/A |
| Appearance | Gray or Metallic 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 | Ni-16Cr-8.5Co-2.4Al-3.4Ti-1.75Mo-1.75w-0.9Nb-0.6Zr-0.1C |
| Density | 8.19g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-278/25 |
IN738LC Description:
INC738LC 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
IN738LC 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.
Best IN738LC powder for 3D printing in 2024
| Alloy | Nominal Composition (wt%) |
| IN738LC | Ni – 16Cr – 8.5Co – 3.4Al – 3.4Ti – 1.7Mo – 2.6W – 1.7Ta – 0.9Nb – 0.05C – 0.03Zr – 0.001B |
Characteristics of IN738LC Powder
| Property | Value |
| Density | 8.19 g/cm³ |
| Melting Range | 1260-1335°C |
| Yield Strength (at 650°C) | >758 MPa |
| Tensile Strength (at 650°C) | >1035 MPa |
| Elongation (at 650°C) | >12% |
| Grain Size | Fine-grained |
| Gamma Prime Phase | High volume fraction |
IN738LC powder exhibits exceptional high-temperature strength, creep resistance, and oxidation resistance due to its unique composition and microstructure. The presence of aluminum, titanium, and refractory elements like tungsten and tantalum contributes to the formation of a high volume fraction of gamma prime (γ’) precipitates, which are responsible for its superior mechanical properties at elevated temperatures.
Benefits of Using IN738LC Powder for 3D Printing
Additive manufacturing with IN738LC powder offers numerous benefits over traditional manufacturing methods, making it an attractive choice for various industries. Let’s explore some of the key advantages:
Design Flexibility: 3D printing allows for the production of complex geometries and intricate internal structures that would be challenging or impossible to manufacture using conventional methods. This design freedom enables the creation of optimized components with improved functionality and performance.
Weight Reduction: By leveraging the design flexibility of additive manufacturing, engineers can produce lightweight yet robust components with optimized topologies, resulting in significant weight savings, particularly in aerospace and automotive applications.
Rapid Prototyping: The ability to quickly produce prototypes and functional parts from IN738LC powder accelerates the product development cycle, enabling faster iterations and reducing time-to-market.
Material Efficiency: Additive manufacturing processes like SLM and EBM have higher material utilization rates compared to subtractive manufacturing methods, leading to less waste and improved resource efficiency.
Customization: 3D printing enables the production of customized components tailored to specific requirements, making it ideal for applications with low-volume or unique demands.
Repair and Remanufacturing: IN738LC powder can be used to repair or remanufacture worn or damaged components, extending their service life and reducing replacement costs.
Applications of IN738LC Powder in 3D Printing
| Application | Industry | Examples |
| Turbine Components | Aerospace, Energy | Blades, Vanes, Nozzles |
| Automotive Components | Automotive | Turbochargers, Exhaust Manifolds |
| Tooling and Molds | Manufacturing | Injection Molds, Die Casting Molds |
| Heat Exchangers | Energy, Chemical | High-Temperature Recuperators |
| Medical Implants | Healthcare | Orthopedic Implants, Dental Restorations |
The exceptional high-temperature properties and corrosion resistance of IN738LC make it suitable for a wide range of applications across various industries. In the aerospace and energy sectors, this superalloy is widely used for producing turbine components, such as blades, vanes, and nozzles, which are subject to extreme temperatures and high stresses. The automotive industry also benefits from IN738LC powder in the manufacturing of turbochargers and exhaust manifolds.
Additionally, IN738LC powder finds applications in tooling and mold making, where its high strength and wear resistance are invaluable. Heat exchangers and recuperators in the energy and chemical industries also utilize this material due to its ability to withstand elevated temperatures and corrosive environments. Moreover, the biocompatibility of IN738LC makes it a promising candidate for medical implants and dental restorations.
3D Printing Processes for IN738LC Powder
Additive manufacturing processes compatible with IN738LC powder include selective laser melting (SLM) and electron beam melting (EBM). These powder bed fusion techniques offer excellent control over the microstructure and properties of the final component.
Selective Laser Melting (SLM): In the SLM process, a high-powered laser selectively melts and fuses the IN738LC powder layer by layer, according to the 3D model data. The build chamber is typically filled with an inert gas, such as argon or nitrogen, to prevent oxidation and maintain the desired material properties.
Electron Beam Melting (EBM): EBM utilizes a focused electron beam to selectively melt the IN738LC powder in a vacuum environment. This process allows for higher build rates and can produce parts with excellent mechanical properties and reduced residual stresses.
Both SLM and EBM processes require careful control of process parameters, such as laser or electron beam power, scan speed, hatch spacing, and layer thickness, to ensure optimal densification, microstructure, and mechanical properties of the final component.
To achieve the desired properties, post-processing steps like stress relief heat treatments, hot isostatic pressing (HIP), and surface finishing may be necessary, depending on the application requirements.
| Powder Specifications |
| Particle Size Distribution: 15-53 μm |
| Flowability: Excellent |
| Sphericity: High |
| Apparent Density: 4.2-4.6 g/cm³ |
| Standards: AMS 5832, AMS 5385 |
| Typical Grades |
| IN738LC – Standard Grade |
| IN738LC-LG – Low Gauge Grade |
| IN738LC-HG – High Gauge Grade |
Pros and Cons of Using IN738LC Powder for 3D Printing
| Pros | Cons |
| Excellent high-temperature strength and creep resistance | Higher material cost compared to some other alloys |
| Superior oxidation and corrosion resistance | Potential for cracking and distortion during printing |
| Ability to produce complex geometries | Strict process control required for optimal properties |
| Lightweight and high strength-to-weight ratio | Limited availability of qualified suppliers |
Advantages of IN738LC Powder for 3D Printing
When compared to traditional manufacturing methods, additive manufacturing with IN738LC powder offers several distinct advantages:
Design Optimization: The ability to produce complex geometries and internal features enables the design of components with optimized topologies, leading to weight reduction and improved performance. For instance, in the aerospace industry, lightweight yet strong turbine blades can be created, resulting in increased fuel efficiency and reduced emissions.
Rapid Prototyping and Iteration: The additive manufacturing process allows for rapid prototyping and iterative design cycles, significantly shortening the product development timeline. This advantage is particularly valuable in industries with stringent testing and certification requirements, such as aerospace and automotive.
Customization and Personalization: 3D printing with IN738LC powder enables the production of customized or patient-specific components, catering to unique requirements in fields like medical implants, tooling, and specialized industrial applications.
Material Efficiency and Waste Reduction: Additive manufacturing processes have higher material utilization rates compared to subtractive methods, resulting in less waste and improved resource efficiency. This not only reduces material costs but also contributes to a more sustainable manufacturing approach.
Repair and Remanufacturing: IN738LC powder can be used to repair or remanufacture worn or damaged components, extending their service life and reducing replacement costs. This capability is particularly beneficial in industries with high-value assets, such as aerospace and energy.
While additive manufacturing with IN738LC powder offers numerous advantages, it is essential to consider potential limitations and challenges. Process control, post-processing requirements, and the availability of qualified suppliers can impact the overall feasibility and cost-effectiveness of using this material for specific applications.
Limitations of IN738LC Powder for 3D Printing
Despite its numerous benefits, using IN738LC powder for 3D printing also presents some limitations and challenges:
Higher Material Cost: Nickel-based superalloys like IN738LC are generally more expensive compared to some other alloys used in additive manufacturing, which can increase the overall cost of production.
Strict Process Control: Achieving optimal mechanical properties and part quality with IN738LC powder requires precise control over various process parameters, such as laser or electron beam power, scan speed, hatch spacing, and layer thickness. Deviations from the optimal parameters can lead to defects or suboptimal performance.
Potential for Cracking and Distortion: Due to the high thermal gradients and residual stresses involved in the additive manufacturing process, IN738LC components can be susceptible to cracking and distortion. Careful design, process optimization, and post-processing techniques like stress relief heat treatments and hot isostatic pressing (HIP) may be necessary to mitigate these issues.
Limited Availability of Qualified Suppliers: While several suppliers offer IN738LC powder, the number of qualified and experienced suppliers may be limited compared to more widely used materials. This can impact the availability, lead times, and pricing of the powder.
Post-Processing Requirements: Depending on the application and performance requirements, post-processing steps like hot isostatic pressing (HIP), heat treatments, and surface finishing may be necessary to achieve the desired mechanical properties and surface quality. These additional steps can increase the overall cost and lead time.
Inconel 625 Powder
Inconel 625 Powder
| Product | Inconel 625 Powder |
| CAS No. | 7440-02-0 |
| 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 | NiCr22Mo9Nb |
| Density | 8.4g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-292/25 |
Inconel 625 Description:
Inconel 625 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
Inconel 625 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.
GH3625 powder Inconel 625 powder
GH3625 powder Inconel 625 powder is a Mo-Nb reinforced nickel-based high-temperature alloy.
| Metal Powder | Size | Quantity | Price/kg | Size | Quantity | Price/kg |
| Inconel 625 | 0-20μm | 1KG | $59 | 20-63μm | 1KG | $98.30 |
| 10KG | $39 | 10KG | $69.10 | |||
| 100KG | $34 | 100KG | $64.50 |
Overview
GH3625 powder Inconel 625 powder is an alloy powder used for metal additive manufacturing processes like selective laser sintering (SLS) and direct metal laser sintering (DMLS). It is a nickel-based superalloy that offers high strength, corrosion resistance, and excellent high-temperature properties.
GH3625 is designed specifically for additive manufacturing to produce complex, dense parts with exceptional mechanical properties comparable to wrought materials. It enables the production of lightweight components with complex geometries for aerospace, automotive, medical, and industrial applications.
This guide provides a detailed overview of GH3625 powder covering its composition, properties, applications, specifications, pricing, advantages, and limitations. Comparisons are made to other common alloys like Inconel 718 and Stellite 21 to highlight the performance and suitability of GH3625 for different uses. An FAQ section addresses key questions about this material.
GH3625 powder Inconel 625 powder Composition
GH3625 has a complex chemical composition designed to provide a combination of high strength, resistance to thermal fatigue, oxidation, and corrosion resistance. Here is an overview of its composition:
| Element | Weight % |
| Nickel | Balance |
| Chromium | 15-17% |
| Cobalt | 10% |
| Molybdenum | 8-10% |
| Tantalum | 5-6% |
| Aluminum | 1.2-1.7% |
| Titanium | 0.5-1.2% |
| Boron | 0.01% |
Nickel forms the base of this superalloy providing ductility and toughness. Elements like chromium, cobalt, and molybdenum contribute to high temperature strength through solid solution strengthening.
Tantalum provides solid solution strengthening and forms carbide particles for precipitation hardening. Aluminum and titanium form the gamma prime phase Ni3(Al,Ti) to give excellent high temperature mechanical properties. Boron enhances grain boundary strength.
The balanced composition gives GH3625 powder excellent weldability compared to precipitation hardening stainless steels. It can be easily post-processed through hot isostatic pressing (HIP), heat treatment, and machining.
GH3625 powder Inconel 625 powder Properties
| Property | Value |
| Density | 8.1-8.5 g/cc |
| Melting Point | 1260-1335°C |
| Thermal Conductivity | 11-12.5 W/mK |
| Coefficient of Thermal Expansion | 12.5-13.5 x 10<sup>-6</sup>/K |
| Modulus of Elasticity | 156-186 GPa |
| Poission’s Ratio | 0.29-0.33 |
| Tensile Strength | 1050-1280 MPa |
| Yield Strength (0.2% offset) | 860-1050 MPa |
| Elongation | 8-15% |
| Hardness | 32-38 HRC |
The high melting point, thermal conductivity, and low coefficient of thermal expansion enable good dimensional stability under high temperature service environments up to 1000°C for limited periods.
The alloy has excellent tensile and yield strength comparable to wrought materials along with good ductility and fracture toughness. It exhibits high hardness, resistance to wear, galling, and abrasion.
The properties allow GH3625 to outperform stainless steels, cobalt alloys, and even rival precipitation hardening nickel superalloys in high temperature strength. It also offers better weldability than Inconel 718.
GH3625 powder Inconel 625 powder Applications
The combination of high strength, hardness, toughness, and thermal stability makes GH3625 suitable for:
GH3625 powder Inconel 625 powder Applications
| Industry | Components |
| Aerospace | Turbine blades, combustor parts, nozzle guide vanes |
| Automotive | Turbocharger wheels, manifolds, valves |
| Oil and Gas | Wellhead parts, downhole tools, valves |
| Power Generation | Heat exchangers, burner components |
| Chemical Processing | Pump impellers, valves, reaction vessels |
| Medical | Dental implants, prosthetics, surgical instruments |
The ability to 3D print complex geometries allows consolidating multiple parts into single components and lightweight lattice structures. This enables faster printing of single-piece components versus assembling multiple sections.
GH3625 is used to print blades, impellers, plates, discs, tubes with conformal cooling channels, and other mission-critical components working under high pressures and temperatures.
GH3625 powder Inconel 625 powder Specifications
GH3625 powder for AM processes is available in different size distributions, shapes, and formulations from various powder manufacturers.
GH3625 Powder Types
| Specification | Details |
| Particle Size Distribution | 15-45 μm, 15-53 μm, 53-150 μm |
| Particle Shape | Spherical, satellite, polyhedral |
| Alloy Modifications | With B, C, Zr, Nb, Ta |
| Manufacturing Method | Gas atomization, plasma atomization |
Gas atomization and plasma atomization produce spherical powders optimal for SLS/DMLS processes. Satellite powders have higher tap density and improve powder flowability.
Smaller 15-45 μm powders provide high resolution and surface finish while larger 53-150 μm allow faster build speeds. Different alloying additions like boron, carbon, zirconium, niobium, and tantalum are used to tailor material properties.
GH3625 powder Inconel 625 powder Standards
| Standard | Description |
| ASTM F3056 | Standard specification for additive manufacturing nickel alloy |
| AMS7016 | Nickel alloy powder for high temperature service |
| ASME B46.1 | Surface texture requirements |
GH3625 powder is qualified based on composition limits, particle size distribution, morphology, flowability, apparent density, and microstructure per ASTM F3056. Additional testing as per application standards is required.
GH3625 powder Inconel 625 powder Pros and Cons
GH3625 has the following advantages that make it a popular choice:
GH3625 Pros
Excellent strength and hardness up to 1000°C
Good corrosion and oxidation resistance
Weldable for post-processing
Higher ductility than Inconel 718
Can be age hardened by heat treatment
Complex geometries enabled by AM
Faster and cheaper than castings
Reduces part count through consolidation
GH3625 Cons
More expensive than stainless steels
Lower strength than Inconel 718 above 550°C
Susceptible to strain-age cracking
Requires hot isostatic pressing (HIP)
Difficult to machine – requires specialist tools
Limited supplier data on long term performance
Proper selection of AM process parameters and post-processing mitigates some of the limitations of GH3625 powder.
Comparison of GH3625 powder Inconel 625 powder with Inconel 718 and Satellite 21
GH3625 occupies a niche between Inconel 718 and Satellite 21 in terms of properties and cost:
Alloy Comparison
| Property | GH3625 | Inconel 718 | Satellite 21 |
| Cost | Medium | High | Low |
| Density | High | Medium | High |
| Strength | Medium | Very High | Medium |
| Hardness | High | Medium | Very High |
| Wear Resistance | Medium | Low | Very High |
| Corrosion Resistance | Medium | High | Medium |
| Oxidation Resistance | Medium | High | Medium |
| Thermal Stability | Up to 1000°C | Up to 700°C | Up to 900°C |
| Weldability | Good | Poor | Medium |
| Manufacturability | Medium | Difficult | Easy |
GH3625 matches or exceeds the performance of Satellite 21 cobalt alloys in wear and corrosion resistance but at lower cost. It approaches the strength of Inconel 718 up to 550°C and offers better weldability and manufacturability.
This makes it a cost-effective alternative for many applications requiring performance between these standard alloys. The ability to 3D print complex geometries also gives it an edge.
GH3625 powder Inconel 625 powder – FAQs
Q: What is GH3625 powder?
A: GH3625 is a nickel-based superalloy powder specifically designed for additive manufacturing processes like selective laser sintering (SLS) and direct metal laser sintering (DMLS). It provides an excellent combination of high temperature strength, hardness, wear and corrosion resistance.
Q: What is GH3625 powder used for?
A: GH3625 powder is used to 3D print critical components like turbine blades, manifolds, impellers, heat exchangers that require high mechanical properties, dimensional stability, and thermal resistance up to 1000°C. It finds applications across aerospace, automotive, energy, chemical processing, and medical industries.
Q: What metal 3D printing processes use GH3625 powder?
A: Selective laser sintering (SLS) and direct metal laser sintering (DMLS) are powder bed fusion 3D printing processes commonly used with GH3625 powder. Binder jetting is also suitable for GH3625.
Q: What are the material properties of GH3625?
A: GH3625 has excellent tensile strength 1050-1280 MPa, yield strength 860-1050 MPa, and hardness 32-38 HRC similar to wrought materials. It has good ductility of 8-15% elongation and high resistance to wear, galling, abrasion, and corrosion. Thermal properties allow use up to 1000°C.
Q: Does GH3625 powder require heat treatment?
A: Yes, GH3625 parts printed using SLS/DMLS require hot isostatic pressing (HIP) followed by heat treatment to achieve optimal mechanical properties, material consolidation, and microstructure. HIP helps close internal pores and voids.
Q: Is GH3625 weldable?
A: GH3625 is designed to have excellent weldability compared to precipitation hardening stainless steels and Inconel 718. This allows repairing and joining AM GH3625 parts through welding. Stress relieving may be required after welding to prevent cracking.
Q: Is GH3625 machinable?
A: GH3625 is difficult to machine compared to stainless steel and requires high-speed machining with specialist carbide tools. Tool wear is higher so optimal feeds, speeds, and tool paths are necessary.
Q: How much does GH3625 powder cost?
A: GH3625 typically costs between $90-250 per kg based on order size, particle size distribution, manufacturing method, and additional testing/qualification requirements. It is more expensive than stainless steel powders but lower cost than Inconel 718.
Inconel 718 Powder
Inconel 718 Powder
| Product | Inconel 718 Powder |
| CAS No. | 7440-02-0 |
| Appearance | Gray 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 | Ne-Fe-Cr |
| Density | 8.19g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-277/25 |
Inconel 718 Description:
Inconel 718 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
Inconel 718 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.
Best in718 powder inconel 718 powder for metal 3D printing
inconel 718 powder Overview
Inconel 718 powder is a high-performance alloy powder used in additive manufacturing (AM) processes, such as laser powder bed fusion (LPBF) and electron beam powder bed fusion (EBPBF). It is renowned for its exceptional strength, corrosion resistance, and high-temperature capabilities. Inconel 718 powder is widely employed in demanding industries like aerospace, energy, and medical.
inconel 718 powder Composition and Characteristics
Inconel 718 powder is an alloy primarily composed of nickel (Ni), chromium (Cr), iron (Fe), and niobium (Nb). Its specific composition varies slightly depending on the manufacturer and application requirements. The table below highlights the typical composition and characteristics of Inconel 718 powder:
| Property | Value |
| Nickel (Ni) | 50-55% |
| Chromium (Cr) | 17-21% |
| Iron (Fe) | 17-21% |
| Niobium (Nb) | 4.75-5.5% |
| Molybdenum (Mo) | 2.8-3.3% |
| Titanium (Ti) | 0.65-1.15% |
| Aluminum (Al) | 0.2-0.8% |
| Carbon (C) | 0.08% max |
| Silicon (Si) | 0.35% max |
| Manganese (Mn) | 0.35% max |
| Sulfur (S) | 0.015% max |
| Phosphorus (P) | 0.015% max |
inconel 718 powder Applications
Inconel 718 powder finds applications in various industries due to its unique properties. Some of its key applications include:
| Industry | Applications |
| Aerospace | Turbine blades, engine components, structural parts |
| Energy | Gas turbine components, heat exchangers, pressure vessels |
| Medical | Surgical instruments, implants, dental prosthetics |
| Automotive | High-performance engine components, exhaust systems |
| Defense | Armor, weapons, aerospace components |
Specifications, Sizes, and Grades
Inconel 718 powder is available in various specifications, sizes, and grades to meet specific application requirements. The table below provides an overview of these parameters:
| Parameter | Details |
| Specifications | ASTM B163, AMS 5848, ISO 2076 |
| Sizes | 15-150 microns (typical) |
| Grades | Inconel 718, Inconel 718Plus |
Like any material, Inconel 718 powder has its advantages and disadvantages. The table below summarizes the pros and cons:
| Pros | Cons |
| High strength and hardness | Expensive compared to other alloys |
| Excellent corrosion resistance | Difficult to machine |
| High-temperature capabilities | Requires specialized welding techniques |
| Good weldability and formability | Can be susceptible to stress corrosion cracking |
IN718 powder Specific Metal Powder Models
Various metal powder models of Inconel 718 are available in the market. Some of the notable models include:
Met3DP Inconel 718:Â Optimized for LPBF and EBPBF processes, offering high density and excellent mechanical properties.
Praxair Incoloy 718:Â Designed for LPBF applications, known for its fine particle size and consistent flowability.
Carpenter Technology Carpenter 718:Â Suitable for both LPBF and EBPBF, providing high strength and corrosion resistance.
ATI 718Plus:Â Developed for LPBF, featuring improved strength and ductility compared to standard Inconel 718.
Sandvik Osprey 718:Â Produced using the Osprey process, resulting in spherical particles with high flowability and packing density.
Höganäs AM 718: Optimized for LPBF, offering high density and excellent mechanical properties.
LPW Technology LPW 718:Â Specifically designed for LPBF, known for its consistent particle size and low oxygen content.
Arcam AB Arcam 718:Â Suitable for EBPBF, offering high density and fine particle size.
Renishaw Ren AM 718: Developed for LPBF, providing high strength and corrosion resistance.
EOS GmbH EOS 718:Â Optimized for LPBF, known for its high density and excellent surface finish.
FAQ
Q: What is the difference between Inconel 718 powder and other nickel-based alloys?
A: Inconel 718 powder is known for its exceptional strength, corrosion resistance, and high-temperature capabilities compared to other nickel-based alloys. It contains a higher percentage of chromium, which contributes to its enhanced corrosion resistance.
Q: How is Inconel 718 powder used in additive manufacturing?
A: Inconel 718 powder is used in LPBF and EBPBF processes. In LPBF, a laser beam selectively melts the powder particles to create the desired shape, while in EBPBF, an electron beam is used for melting.
Q: What are the advantages of using Inconel 718 powder in AM?
A: Using Inconel 718 powder in AM offers advantages such as design flexibility, reduced lead times, and the ability to create complex geometries. It also allows for the production of lightweight components with high strength and durability.
Q: What are the future trends in Inconel 718 powder technology?
A: Research and development efforts are focused on improving the powder’s flowability, packing density, and mechanical properties. Additionally, there is a growing interest in developing new alloys based on Inconel 718 with enhanced performance characteristics.
Nickel-based K403 Powder
Nickel-based K403 Powder
| Product | Nickel-based K403 Powder |
| CAS No. | 7440-02-0 |
| 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 | Ni-Cr-Co-Al-Mo-W-Ti-C-B |
| Density | 8.2g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-294/25 |
Nickel-based K403 Description:
Nickel-based K403 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
Nickel-based K403 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.
Nickel-based K403 Powder
K403 powder is a nickel-chromium-iron-molybdenum alloy powder. It offers excellent resistance to oxidation, corrosion and thermal fatigue cracking. K403 has good phase stability at high temperatures. K403 powder is designed for protective coatings, thermal spray, welding, brazing, and other high temperature applications.
Overview of Nickel-based K403 Powder
K403 powder is a nickel-chromium-iron-molybdenum alloy powder. It offers excellent resistance to oxidation, corrosion and thermal fatigue cracking. K403 has good phase stability at high temperatures.
Key features of K403 powder include:
Outstanding high temperature strength and creep resistance
Resists oxidation and hot corrosion up to 1150°C
Retains properties under cyclic heating conditions
Compatible coefficient of expansion with common alloys
Available in various size ranges and morphologies
K403 powder is designed for protective coatings, thermal spray, welding, brazing, and other high temperature applications.
This article provides a detailed look at the composition, properties, applications, specifications, pricing, safety, and other essential information about nickel-based K403 powder.
Composition of Nickel-based K403 Powder
The typical composition of nickel-based K403 powder is:
| Element | Composition |
| Nickel (Ni) | Balance |
| Chromium (Cr) | 21-23% |
| Iron (Fe) | 17-20% |
| Molybdenum (Mo) | 8-10% |
| Tungsten (W) | 1-2% |
| Manganese (Mn) | ≤0.5% |
| Silicon (Si) | ≤0.5% |
| Carbon (C) | ≤0.1% |
Nickel gives corrosion resistance. Chromium and iron provide oxidation resistance. Molybdenum and tungsten impart strength at high temperatures.
The exact composition is tailored based on the powder production method and application requirements.
Properties of Nickel-based K403 Powder
K403 powder exhibits the following properties:
| Property | Details |
| Density | 8.2 g/cm3 |
| Melting Point | 1350-1400°C |
| Thermal Conductivity | 11 W/m.K |
| Electrical Resistivity | 94 microhm-cm |
| Young’s Modulus | 207 GPa |
| Poisson’s Ratio | 0.29-0.30 |
| Tensile Strength | ≥ 550 MPa up to 1050°C |
| Elongation | 15-25% |
| Hardness | 30-35 HRC |
| Oxidation Resistance | Excellent isothermal up to 1150°C |
The alloy maintains high strength and hardness at elevated temperatures. It has good ductility for deformation processing. The material resists thermal fatigue cracking.
Applications of Nickel-based K403 Powder
Nickel-based K403 powder is designed for use in high temperature environments. Typical applications include:
Thermal Spray Coatings:Â Used to apply thick coatings resistant to wear, corrosion and oxidation at high temperatures via wire/powder flame or electric arc spraying.
Welding:Â Used as filler material for joining high temperature alloys providing oxidation and corrosion resistance.
Brazing: Excellent filler alloy for brazing assemblies operating at over 1000°C like turbine components, heat exchangers etc.
Additive Manufacturing:Â Selective laser melting and other powder bed fusion processes can utilize K403 powder to fabricate parts.
Gas Turbines:Â Powder metallurgy turbine components exposed to hot gas paths like blades, vanes, seals.
Chemical Industry:Â K403 coated components in fluidized bed reactors, heat exchangers, cyclone separators.
Glass Industry:Â Powder sprayed rolls, guides, baffles used in glass melting furnaces and forehearths.
Heat Treatment:Â Fixtures, trays, baskets operating under high temperature applications.
Specifications and Grades of K403 Powder
K403 powder is available in various size ranges, morphologies and grades:
Particle Size:Â Ranging from 10-45 microns for AM methods, up to 150 microns for thermal spray processes.
Morphology:Â Spherical, irregular and dendritic particle shapes available. Spherical powders have better flowability.
Grades:Â Powder can be tailored as per AMS 7875, AMS 5887 or other high temperature alloy specifications.
Purity:Â High purity argon gas atomized powder available for critical applications.
Customization:Â Alloy chemistry and particle characteristics can be customized as per application requirements.
Health and Safety Considerations for K403 Powder
As a metallic alloy powder, K403 poses some health and safety risks:
Fine powders can be a dust explosion hazard. Prevent dust accumulation and ignition sources.
May cause skin and eye irritation upon prolonged exposure. Use personal protective equipment.
Inhalation must be avoided. Use respiratory protection while handling powder.
Powder may catalyze reactions with oxidizers. Prevent contact between incompatible materials.
Proper grounding of equipment, ventilation, hygiene practices essential when handling the powder.
Refer to applicable safety data sheets from suppliers for complete health hazard information.
Safety procedures for metallic powders like inert gas gloveboxes, explosion suppression systems may be implemented for worker protection.
Inspection and Testing of K403 Powder
To ensure the K403 nickel alloy powder conforms to specifications, various tests and inspections should be performed:
Chemical Composition – Verify composition of major alloying elements using optical emission or X-ray fluorescence spectroscopy.
Particle Size Distribution – Assess particle size range as per ASTM B822 standard using laser diffraction.
Morphology – Inspect particle shape and surface defects under SEM. Check for satellites, porosity.
Flow Rate – Evaluate flowability and apparent density as per ASTM B213 using Hall flowmeter.
Impurities – Measure oxygen and nitrogen content using inert gas fusion analysis. Minimize impurities.
Microstructure – Check phases present using X-ray diffraction analysis.
Mechanical Properties – Perform tensile and hardness testing for powder metallurgy parts.
Qualification and batch testing ensures consistent powder quality and performance.
Comparison of K403 Powder with IN738 Powder
K403 and IN738 are two alloy powders used for high temperature applications:
| Parameter | K403 Powder | IN738 Powder |
| Composition | Ni-Cr-Fe-Mo | Ni-Cr-Co-Al-Ti |
| Oxidation Resistance | Excellent up to 1150°C | Very Good up to 1100°C |
| Cost | Higher | Lower |
| Phase Stability | Very Good | Poor |
| Mechanical Strength | High up to 1050°C | Good up to 750°C |
| Fabrication | Medium | Easy |
| Applications | Thermal spray, welding | Turbine components, AM parts |
| Availability | Moderate | Readily available |
For extreme temperatures exceeding 1100°C requiring phase stability, K403 is preferred despite higher cost. IN738 offers easier fabrication and lower cost.
FAQs
Q: What is nickel-based K403 powder used for?
A: K403 powder is designed for high temperature applications like thermal spray coatings, brazing, welding, additive manufacturing where oxidation and corrosion resistance up to 1150°C is required.
Q: What particle size is used for thermal spraying K403 powder?
A: Coarser K403 powder up to 150 microns is commonly used for thermal spray processes like wire arc spraying to maximize deposition efficiency and coating thickness.
Q: Is K403 suitable for laser powder bed fusion additive manufacturing?
A: Yes, fine K403 powder can be used in selective laser melting machines to fabricate complex geometry parts that perform well in high temperature environments.
Q: How does K403 compare with Haynes 214 alloy?
A: K403 has slightly better high temperature strength and oxidation resistance than Haynes 214. But Haynes 214 offers excellent fabrication characteristics and lower cost.
Q: What are the main health hazards of K403 powder?
A: Fine K403 powder poses dust explosion risks. It can also irritate skin and eyes. Inhalation must be prevented. Use proper protective equipment when handling K403 powder.
Q: Where can I purchase K403 powder for high temperature brazing application?
A: Leading suppliers like Nanochemazone Supply carry K403 nickel alloy powder suitable for high temperature brazing. Consider recommended particle size and purity levels based on your specific application.
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