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.
316L stainless steel powder · UNS S31603
Corrosion-resistant · Austenitic · Specifically for Additive Manufacturing 15–53 μm / 53–150 μm / -300 mesh ~ -600 mesh
Core Advantages
Pitting resistance, chloride ion resistance
The Mo element enhances pitting resistance equivalent, making it suitable for marine and chemical environments.
Low-carbon de-sensitization
C ≤ 0.03%, intergranular corrosion resistance in the weld heat-affected zone
High spherical liquidity
Good sphericity, few satellite particles, uniform powder spreading, and stable powder delivery.
The composition is uniform with no segregation.
Pre-alloying process, with a uniform and dense microstructure.
Product Real-World Photos & Microscopic Morphology
Powder SEM morphology
High sphericity, narrow particle size distribution, and excellent flowability.
Real-life photos of the powder
Gray powder, packaged in vacuum‑sealed aluminum foil bags or iron drums.
Typical Applications
3D-Printed Parts / Finished Product Showcase
316L stainless steel powder
TIJO employs a non‑vacuum gas atomization process to produce 316L prealloyed powder, with composition tightly controlled in accordance with UNS S31603. The powder exhibits excellent sphericity, uniform elemental distribution without segregation, and low oxygen content. It is widely used in the chemical industry, medical device manufacturing, food processing equipment, and additive manufacturing.
Corresponding grade
| Standard system | Corresponding grade |
|---|---|
| China GB | 022Cr17Ni12Mo2 |
| United States UNS | S31603 |
| Japanese JIS | SUS316L |
| German DIN | 1.4404 |
Chemical Composition (wt%)
| element | C | Yes | Mn | Cr | Ni | Mo | P | S | Fe |
|---|---|---|---|---|---|---|---|---|---|
| Content range | ≤0.03 | ≤1.0 | ≤2.0 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | ≤0.045 | ≤0.03 | Bal. |
* The batch COA test report shall prevail.
Particle Size Specifications & Physical Properties
| Particle size specification | D10(μm) | D50(μm) | D90(μm) | Loose bulk density (g/cm³) | Tap density (g/cm³) | Flowability (s/50g) | Oxygen content |
|---|---|---|---|---|---|---|---|
| 15–53 μm | 17-23 | 30-35 | 50-58 | ≥3.90 | 4.4-4.9 | ≤25 | ≤500ppm |
| 53-150 μm | 62-72 | 100-115 | 150-175 | ≥4.46 | ≥4.85 | ≤18 | ≤500ppm |
| -300 mesh | — | 20-30 | ≤48 | ≥3.80 | 4.3-4.8 | ≤28 | ≤500ppm |
| -600 mesh | — | 10-14 | ≤20 | ≥3.30 | 3.8-4.3 | — | ≤500ppm |
* D10/D50/D90, loose‑packed and tapped densities, and flowability are provided as typical range values; the specific values shall be determined by the COA for each batch. The flowability of ultrafine powder (≤25 μm) is assessed using a powder rheometer.
Heat Treatment Process Reference
| Heat treatment stage | Process parameters | Explanation |
|---|---|---|
| Solution treatment | Hold at 1050–1100°C, then cool by water or air. | Eliminate carbides and restore corrosion resistance. |
| Stress-relief annealing | Hold at 300–400°C for 1–2 hours. | Eliminate residual stresses from machining or printing. |
Typical application areas
Medical device
Typical application scenarios
Chemical pumps and valves
Typical application scenarios
Food machinery
Typical application scenarios
Marine Engineering
Typical application scenarios
3D printing
Typical application scenarios
MIM injection molding
Typical application scenarios
316L Stainless Steel Powder vs. Related Materials
| Material Type | Key Features | Hardness (HRC) | Typical Applications |
|---|---|---|---|
| 304L | Excellent corrosion resistance and weldability | ≤25 | Chemical and food equipment |
| 17-4PH | Precipitation hardening, high strength | 33-45 | Corrosion-resistant high-strength structural components |
| 430L | Ferritic, magnetic, low-cost | ≤20 | Powder metallurgy parts, magnetic components |
Recommended Process Parameters
| Process Type | Recommended particle size | Key Process Parameters | Post-processing |
|---|---|---|---|
| L-PBF additive manufacturing | 15–53 μm | Laser power: 200–350 W; layer thickness: 30–50 μm. | Stress-relief annealing |
| Laser Direct Energy Deposition (DED) | 53-150 μm | Power: 1.5–3 kW; powder feed rate: 15–30 g/min | Stress-relief annealing |
| MIM injection molding | -300 mesh / -400 mesh | Catalytic degreasing + sintering | Solution treatment |
| Powder metallurgy pressing | -100 mesh / -200 mesh | Pressing + Sintering | Solid solution/annealing |
* The parameters are typical recommended values; actual settings should be adjusted based on the equipment and workpiece.
End-to-end testing capability
Each batch is tested for major elements (C, Si, Mn, Cr, Ni, Mo), impurities (P, S), particle size distribution, oxygen content, flowability, and tapped/loose bulk density, with a Certificate of Analysis (COA) provided.
Packaging & Delivery
Powder packaging
Vacuum-sealed in a double-layer aluminum foil pouch (to prevent oxidation), with an outer iron or plastic drum.
Specifications: 1 kg, 5 kg, 10 kg, 25 kg, 50 kg per drum
Export packaging
Export orders are packed in wooden crates or palletized and reinforced to protect against moisture and impact.
Compatible with sea freight, air freight, and international express delivery.
Delivery time
Standard particle size in stock; ships within 5–7 days after order confirmation.
Custom particle size or minor formulation adjustments: 7–15 days
Batch Traceability
For each batch, a sample is retained, and the COA report is shipped with the goods.
Supports third-party testing (e.g., SGS)
Free sample
Free samples are provided for process validation.
Small-batch samples; bulk supply upon quality confirmation.
Customized Services
Custom particle size, fine-tuned formulation
Meets special operating conditions and equipment requirements
Shipping documents
COA, MSDS, ingredient list, packing list
Meets export customs clearance requirements and customer in-plant inspection standards.
Technical Support
Providing heat treatment and process parameter guidance.
Assist in resolving issues encountered during use.
Inquire Now for Free Samples
Fill out the form on the right or contact us directly; we will provide product samples, technical data sheets, and price quotes to help you quickly complete your additive manufacturing process validation.
Address: No.39, Liandong Yougu lnd. Park, Bachelor Street,Changsha City,Hunan Province, China.
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Address: No.39, Liandong Yougu lnd. Park, Bachelor Street,Changsha City,Hunan Province, China.
