304l Stainless Steel Powder

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: 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

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

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.

Powder Specifications

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

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: 60-68% powder loading with multi-component binder system

Molding: High shot size, fast injection speed, high holding pressure

Debinding: Solvent debinding followed by thermal debinding

Sintering: 1350-1400°C in hydrogen or vacuum atmosphere

Secondary Operations: 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.

317L Powder

317L Description:

317L 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.

317L 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.

317L Powder

317L powder is an austenitic stainless steel powder containing 18% chromium, 3% molybdenum, and 0.08% carbon. It offers an excellent combination of corrosion resistance, strength, weldability and cost.

Overview of 317L Powder

317L powder is an austenitic stainless steel powder containing 18% chromium, 3% molybdenum, and 0.08% carbon. It offers an excellent combination of corrosion resistance, strength, weldability and cost.

Key properties and advantages of 317L powder include:

317L powder is widely used in chemical processing, marine applications, pulp and paper industry, nuclear power generation, and architectural features needing weathering resistance.

317L Powder Composition

Iron provides the ferritic matrix and ductility

Chromium enhances corrosion and oxidation resistance

Nickel stabilizes the austenitic structure

Molybdenum further improves pitting resistance

Carbon, nitrogen and sulfur controlled as tramp elements

317L Powder Physical Properties

High density compared to ferritic stainless steels

Maintains strength and corrosion resistance at elevated temperatures

Resistivity higher than pure iron or carbon steels

Lower thermal conductivity than carbon steel

Can withstand continuous service up to 900°C

The physical properties make 317L suitable for high temperature applications requiring corrosion resistance.

317L Powder Mechanical Properties

Excellent combination of strength and ductility

Can be work hardened significantly to increase strength

Very high toughness and impact strength

Strength can be further improved through cold working

Hardness is relatively low in annealed condition

The properties provide an excellent balance of strength, ductility and toughness required for many corrosive environments.

317L Powder Applications

Some specific product uses:

Pollution control equipment handling hot acids

Nuclear reactor internal structures

Marine propeller shafts, deck fittings

Pulp and paper industry piping, valves

Architectural paneling, roofing, cladding

Its excellent corrosion resistance combined with good manufacturability make 317L widely used across demanding industries.

317L Powder Standards

These standards define:

Chemical composition limits of 317L 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 intended applications.

317L Powder Particle Sizes

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.

317L Powder Apparent Density

Higher apparent density improves powder flow and compressibility

Irregular morphology limits maximum packing density

Values up to 60% are possible with spherical powder

High apparent density improves press filling efficiency

Higher apparent density leads to better manufacturing productivity and part quality.

317L Powder Production Method

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.

317L Powder Handling and Storage

As 317L powder is flammable, ignition and explosion risks should be controlled during handling and storage. Otherwise it is relatively safe with proper precautions.

317L Powder Inspection and Testing

Stringent testing ensures the powder meets the required chemical purity, particle characteristics, density, morphology, and flowability per applicable specifications.

317L Powder Pros and Cons

Advantages of 317L Powder

Excellent corrosion resistance in many environments

High temperature strength and oxidation resistance

Good ductility, toughness and weldability

More cost-effective than high nickel austenitic grades

Readily formable using conventional techniques

Can be work hardened through cold/warm working

Disadvantages of 317L Powder

Lower high temperature creep strength than some ferritic grades

Lower hardness and wear resistance than martensitic grades

Susceptible to chloride stress corrosion cracking

Requires post weld annealing to prevent sensitization

Limited cold heading and forming capability

Surface discoloration over time in outdoor exposure

Comparison With 316L Powder

317L vs 316L Stainless Steel Powder

317L provides higher strength at lower cost

316L offers better pitting corrosion resistance

317L has good chloride stress corrosion resistance

316L preferred for ultra-corrosive environments

317L suited for marine applications and nuclear industry

317L Powder FAQs

Q: What are the main applications of 317L stainless steel powder?

A: Main applications include chemical processing, petrochemical, marine, nuclear, pulp & paper, and architectural. It is used for equipment like tanks, valves, pipes, pumps, shafts, and cladding.

Q: What precautions should be taken when handling 317L powder?

A: Recommended precautions include ventilation, grounding, avoiding ignition sources, using non-sparking tools, protective gear, safe storage, and controlling dust exposure.

Q: How does molybdenum improve the corrosion resistance of 317L?

A: Molybdenum enhances pitting and crevice corrosion resistance in chloride environments. It stabilizes the passive film protecting the surface.

Q: What is the main difference between 304L and 317L stainless steel powder?

A: 317L contains 3% molybdenum giving it significantly better corrosion resistance compared to 304L, especially in marine and other chloride environments.

A100 Steel Alloy Powder

A100 Steel Alloy Description:

A100 Steel Alloy 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

A100 Steel Alloy 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.

A100 steel alloy powder

A100 steel alloy powder is a specialized form of steel that consists of a precise blend of iron and other alloying elements. It is manufactured by atomization, a process that involves rapidly solidifying molten metal into fine powder particles. This fine powder exhibits excellent flowability and can be easily consolidated into various shapes using powder metallurgy techniques.

Overview of A100 Steel Alloy Powder

A100 stainless steel contains high levels of nickel and manganese along with chromium, nitrogen and carbon to achieve outstanding low temperature toughness and ductility. It retains excellent impact strength and resistance to cryogenic embrittlement down to the temperature of liquid helium.

Key characteristics of A100 powder include:

Excellent low temperature toughness and ductility

High impact strength at cryogenic temperatures

Good strength and hardness at room temperature

Very good weldability and fabricability

Resistant to cryogenic embrittlement

Available in various particle size distributions

A100 powder is designed for applications requiring thermal stability and toughness at extremely low temperatures such as liquid natural gas storage and transportation. This article provides a detailed overview of this alloy powder.

Chemical Composition of A100 Powder

A100 powder possesses the following properties:

A100 maintains excellent ductility and impact strength even at the temperature of liquid helium making it suitable for the most demanding cryogenic applications.

Production Method for A100 Powder

A100 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 into 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, shape, oxygen pickup and microcleanliness.

Applications of A100 Powder

Typical applications for A100 powder include:

Additive Manufacturing – Used in laser powder bed fusion and binder jetting for cryogenic parts like valve bodies, pump components, storage tanks etc.

Metal Injection Molding – To manufacture small, complex cryogenic parts needing high ductility and impact strength.

Thermal Spray Coatings – Wire arc spray deposition to produce coatings providing cryogenic resistance.

Cryogenic Vessels – Liners, fittings, fasteners, forged and cast parts for storage, transportation of liquefied natural gas.

Cryocoolers – Powder forged compressor parts, regenerator housings requiring high cryogenic toughness.

Specifications of A100 Powder

A100 powder is available under various size ranges, shapes and grades:

Particle Size: From 10-45 μm for AM methods, up to 150 μm for thermal spray processes.

Morphology: Spherical, irregular and blended shapes. Smooth spherical powder provides optimal flow and packing density.

Purity: From commercial to high purity grades based on application requirements.

Oxygen Content: Levels maintained below 2000 ppm for most applications.

Flow Rate: Powder customized for flow rates above 25 s/50 g.

Storage and Handling of A100 Powder

A100 powder requires controlled storage and handling:

Store in sealed containers under inert gas to prevent oxidation

Avoid accumulation of fine powder to minimize dust explosion risks

Use proper grounding, ventilation, PPE when handling powder

Prevent contact with moisture, acids, strong oxidizers

Follow recommended safety practices from supplier SDS

Inert gas glove box techniques are preferred when handling reactive alloy powders like A100.

Inspection and Testing of A100 Powder

Key quality control tests performed on A100 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 cryogenic applications.

Comparison Between A100 and 304L Stainless Steel Powders

A100 and 304L stainless steel powders compared:

A100 offers exceptional low temperature toughness whereas 304L provides better overall corrosion resistance at lower cost.

A100 Powder FAQs

Q: How is A100 steel alloy powder produced?

A: A100 powder is commercially produced using gas atomization, water atomization and mechanical alloying followed by sintering. Gas atomization provides the best control of characteristics.

Q: What are the main applications of A100 powder?

A: The major applications include additive manufacturing, thermal spray coatings, metal injection molding, and powder metallurgy of cryogenic parts needing high ductility and impact strength at extremely low temperatures.

Q: What is the typical A100 powder size used for binder jetting AM?

A: For binder jetting process, the common A100 powder size range is 20-45 microns with spherical morphology to enable good powder packing and binder infiltration.

Q: Does A100 powder require any special handling precautions?

A: Yes, it is recommended to handle A100 powder carefully under controlled humidity and inert atmosphere using proper grounding, ventilation and PPE.

Q: Where can I purchase A100 powder suitable for cryogenic storage vessels?

A: For cryogenic applications needing high toughness, A100 powder can be purchased from leading manufacturer.

M2 Powder

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

The high tungsten, molybdenum and chromium content impart excellent hardness and wear resistance.

Properties of M2 Powder

The properties make M2 suitable for durable cutting, stamping and forming tooling.

AM Process Parameters for M2 Powder

Parameters tailored for density, microstructure, build rate and post-processing requirements.

Applications of 3D Printed M2 Tooling

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:

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

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:

With its balanced properties, M2 supersedes alternatives for many wear-resistant tooling applications.

Pros and Cons of M2 Powder for Metal AM

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.