Iron-based
Iron-based powder is a raw material of alloy powder with iron as the main component, which is widely used in the fields of mechanical parts, 3C products, porous materials, tooling materials, magnetic materials, shielding materials, surface coatings, etc., and it is the raw material of powder metallurgy with a large dosage, and it has a high cost performance ratio.
304L stainless steel powder
Features:
1. Corrosion Resistance: Resistant to corrosion by weak acids, alkalis, chlorides, and organic media; exhibits superior resistance to intergranular corrosion compared to 304 stainless steel. Excellent oxidation resistance, making it suitable for humid, high‑temperature steam environments. 2. Processability: High sphericity (≥95%) and low oxygen content (≤0.1%), ensuring excellent flowability and minimizing additive manufacturing defects. Outstanding weldability—no post‑weld annealing is required, and there is no tendency toward hot cracking. 3. Environmental and Hygienic Safety: Lead‑free and cadmium‑free, compliant with FDA and RoHS standards, and suitable for food‑contact applications.
Application:
MIM (Metal Injection Molding)
Spraying and Welding
PM (Powder Metallurgy)
HIP (Hot Isostatic Pressing)
Chemical Industry: 304L stainless steel is used to manufacture chemical reactors, storage tanks, pipelines, and fittings. Due to its good corrosion resistance, it can be used to manufacture equipment for storing and transporting various chemicals.
Food Processing and Medical Devices: 304L stainless steel is used to manufacture food processing equipment, medical devices, surgical instruments, etc. Due to its non-toxic, corrosion-resistant, and easy-to-clean characteristics, it ensures the safety and hygiene of food and medical devices.
Building Materials and Decoration: 304L stainless steel is used to manufacture doors, windows, handrails, railings, stairs, and other indoor and outdoor decorations, as well as components in building structures. Due to its aesthetic, durable, and easy-to-clean characteristics, it is widely used.
Packing:
Precision grinding, intelligent manufacturing technology, integrated solutions
Aluminum foil bag, iron drum, plastic drum, woven bag, pallet, customized packaging
Date of delivery:
Precision grinding, intelligent manufacturing technology, integrated solutions
3-15 days
key word:
304L low-carbon austenitic stainless steel powder
Excellent corrosion resistance · Outstanding weldability · Specifically designed for additive manufacturing
Process Advantages
Excellent corrosion resistance
A chromium content of 18–20% provides excellent oxidation and acid resistance, with corrosion resistance comparable to that of 304.
Low-carbon inhibition of sensitization
Carbon content ≤ 0.03%, effectively preventing carbide precipitation and intergranular corrosion in the weld heat-affected zone.
High sphericity ≥90%
Vacuum atomization technology delivers excellent sphericity, with minimal satellite particles, and ensures uniform, dense powder spreading.
Granularity customization
15–45 μm / 15–53 μm / 45–105 μm / 53–150 μm, compatible with printers of all brands.
Microscopic Morphology & Product Applications
304L powder real-shot images
Sphericity ≥ 90%, minimal satellite particles, narrow particle size distribution, perfectly suited for SLM processes.
Typical 3D-printed components
Density > 99%, used in chemical pumps and valves, food-processing equipment, and aerospace components.
Electron micrograph / 15–53 μm
Aluminum foil bags, drum packaging, custom packaging
Batch traceability, with support for third-party testing.
304L Low-Carbon Austenitic Stainless Steel: An Outstanding Balance of Corrosion Resistance and Weldability
304L (UNS S30403) is a low-carbon austenitic stainless steel powder that exhibits excellent corrosion resistance, formability, and weldability. Its low carbon content (C ≤ 0.03%) effectively suppresses sensitization, preventing carbide precipitation in the heat-affected zone during welding and thereby avoiding intergranular corrosion. It is widely used in applications with stringent hygiene and corrosion‑resistance requirements, such as food processing, chemical equipment, and architectural decoration.
Typical Chemical Composition (wt%)
| element | Cr | Ni | C | Yes | Mn | P | S | Fe |
|---|---|---|---|---|---|---|---|---|
| Standard value | 18.0-20.0 | 8.0-12.0 | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | Margin |
| Typical measured values | 18.2-18.8 | 8.5-9.5 | 0.018 | 0.45 | 0.85 | 0.020 | 0.008 | Bal. |
Oxygen content ≤500 ppm | Nitrogen ≤200 ppm | Hydrogen ≤5 ppm, meeting the requirements for high‑quality printing.
Powder Physical Properties & Particle Size Distribution
| Particle size specification (μm) | D10 (μm) | D50 (μm) | D90 (μm) | Tap Density (g/cm³) | Loose packing density (g/cm³) | Hall flow rate (s/50g) | Oxygen content (ppm) |
|---|---|---|---|---|---|---|---|
| -800mesh | 3.2-4.6 | 9-11 | 15-19 | 4.4-4.8 | ≥2.4 | NA | ≤0.10 |
| -500mesh | 4-6 | 12-14 | 21-25 | 4.5-4.8 | ≥2.4 | NA | ≤0.08 |
| -400mesh | 4-6.5 | 14.5-17.5 | 28-36 | 4.6-4.9 | ≥2.8 | NA | ≤0.08 |
| 15–53 μm | 17-23 | 30-35 | 50-58 | 4.4-4.9 | ≥3.9 | ≤25 | ≤0.05 |
| 53-150 μm | 56-66 | 90-102 | 138-160 | 4.5-4.8 | ≥3.9 | ≤25 | ≤0.05 |
* Particle size ranges can be customized based on the equipment’s laser spot size and layer thickness, with free process‑tuning support provided.
Mechanical Properties (As-Printed/Annealed State)
| Status | Tensile strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HV) |
|---|---|---|---|---|
| Selective Laser Melting (SLM) | 550-700 | 350-500 | 35-50 | 180-220 |
| Annealed state | 500-650 | 200-300 | 40-60 | 140-180 |
* Mechanical properties are influenced by printing parameters and heat‑treatment processes; the values listed above are typical reference values.
End-to-end testing capability
Each batch of powder undergoes comprehensive testing for chemical composition, particle size distribution, sphericity, flowability, and tapped density, with a complete Certificate of Analysis (COA) provided to ensure the powder meets aerospace, medical, and nuclear‑grade quality standards.
Typical application scenarios
Food processing
Food-grade piping, storage tanks, and processing equipment (FDA-compliant)
Chemical equipment
Reactor vessels, heat exchangers, and corrosion-resistant pump and valve components
Aerospace
Lightweight, corrosion-resistant components, brackets, and conduits
Medical device
Surgical instruments, rehabilitation aids, and customized implant prototypes
Architectural decoration
Curtain wall components, precision decorative parts, and weather-resistant structural components
Automotive industry
Exhaust system components, structural brackets, and lightweight parts
Metal filter
Stainless steel filter elements, porous materials, precision screens
3C electronics
Precision hinges, drone frames, heat-dissipating housings
Key Advantages of Choosing TIJO 304L Stainless Steel Powder
- Low-carbon, intergranular corrosion-resistant – Carbon content ≤ 0.03%; no carbide precipitation in the weld heat-affected zone, resulting in outstanding corrosion resistance.
- Scaled and stable supply – Fully automated atomization production line with a monthly capacity exceeding 200 tons, meeting the demands of large-scale continuous production.
- Full-inspection traceability system – ISO 9001:2015 certified; particle size, composition, and flowability reports are provided with each batch.
- Free samples with a 48-hour response. – Rapid provision of sample‑verified powders to reduce customers’ product‑selection risks.
- Particle size customization / blend ratio mixing – Optimize the particle size distribution for different printers to enhance printing density.
- End-to-end surgical support – Provide strategic recommendations to support process development.
Chemical composition（wt%）
Grade | Chemical composition ( wt% ) | |||||||
Ni | Cr | Other > | Fe | |||||
C | Yes | Mn | P | S | ||||
304L | 8.0-12.0 | 18.0-20.0 | 0.03 | 1.0 | 2.0 | 0.045 | 0.03 | Bal. |
Physical indicators
Powder specifications | Tap density ( g/cm³ ) | Hall velocity ( s/50g ) | Oxygen content ( ppm ) | Particle size distribution ( micrometer ) | ||
D10 | D50 | D90 | ||||
53-150 μm | 4.5-4.8 | ≤25 | 300-500 | 56-66 | 90-102 | 1 35-155 |
15–45 μm | 4.4-4.8 | ≤25 | 300-500 | 16-20 | 27-32 | 47-51 |
15–53 μm | 4.4-4.9 | ≤25 | 300-500 | 17-22 | 30-34 | 48-55 |
20- 6 0 μm | 4.3-4.9 | ≤25 | 300-500 | 20-25 | 32-37 | 51-61 |
-500mesh | 4.5-4.8 | / | 500-1000 | 3.5-4.5 | 11.5-12.5 | 22-26 |
Mechanical properties | Tensile strength /MPa 505 ± 50 Yield strength /MPa 166 ± 50 Elongation /% 56 ± 5 | |||||
Application areas
Auto Industry
Good mechanical performance and corrosion resistance can improve the lifespan and efficiency for automobile parts.
Marine Engineering
Good corrosion resistance and antioxidant performance can endure corrosion and erosion of the marine environment.
Medical Instruments
Used to make medical equipment, surgical equipment etc.
Architectural Materials
Beautiful appearance and corrosion resistance.
Food Processing
Non -toxic, corrosion resistance, easy cleaning ect, particularly suitable for welding, and are widely used in equipment manufacturing in the food and beverage industry, such as storage tanks, pipelines and process equipment.
Chemical Industry
Corrosion of organic acid and other irritating chemicals.
Recommend products
1. Exceptional Corrosion Resistance: The high molybdenum (Mo) content enhances resistance to pitting and crevice corrosion, making it ideal for harsh environments such as marine and chemical industries. 2. Biocompatibility: Certified under ISO 10993 for biological safety, suitable for manufacturing medical devices and implantable human devices. 3. High Purity with Low Impurities: Oxygen content ≤ 0.1%, carbon content ≤ 0.03%, reducing printing defects and ensuring the density and strength of finished products. 4. Excellent Processability: High sphericity (90–95%) and excellent flowability (Hall flow rate ≤ 25 s/50g), making it well-suited for additive manufacturing processes such as SLM and EBM.
View Details
1. Ultra-high strength: After aging treatment, tensile strength ≥ 1900 MPa and hardness ≥ 50 HRC, making it suitable for high-load applications. 2. Excellent machinability: High sphericity (≥95%) and low oxygen content (≤0.1%), ideal for 3D printing and the fabrication of complex geometries. 3. Superior high-temperature resistance: Outstanding thermal stability, suitable for hot-work die components and parts operating in high-temperature environments. 4. Heat-treatment friendly: Can be rapidly strengthened through aging at 480–500°C, enhancing its mechanical properties.
View DetailsMaybe you want to know something else.
Contact Us
Address: No.39, Liandong Yougu lnd. Park, Bachelor Street,Changsha City,Hunan Province, China.
