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.
8620 alloy steel powder
8620 alloy steel powder · AISI 8620
Carburizing steel · Wear-resistant · Specifically for gear drives 53-150 μm
Core Advantages
Carburized wear resistance
High wear resistance after surface carburizing
Core toughness
High toughness and impact resistance in the core
Uniform composition
Pre-alloyed with no segregation
Process adaptation
Compatible with PM/MIM/Additive Manufacturing
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-aluminum foil bags or iron drums.
Typical Applications
3D-Printed Parts / Finished Product Showcase
8620 alloy steel powder
TIJO employs a non‑vacuum gas atomization process to produce 8620 prealloyed powder, which is widely used for carburized components such as gears and gear shafts.
Corresponding grade
| Standard system | Corresponding grade |
|---|---|
| American AISI | 8620 |
| China GB | 20CrNiMo |
| Japanese JIS | SNCM220 |
Chemical Composition (wt%)
| Element | C | Yes | Mn | Cr | Ni | Mo | Fe |
|---|---|---|---|---|---|---|---|
| Content range | 0.18-0.23 | 0.15-0.35 | 0.70-0.90 | 0.40-0.60 | 0.40-0.70 | 0.15-0.25 | Bal. |
* The batch COA test report shall prevail.
Particle Size Specifications & Physical Properties
| Particle size specification | D10(μm) | D50(μm) | D90(μm) | Loose packing density (g/cm³) | Tap density (g/cm³) | Flowability (s/50g) | Oxygen content |
|---|---|---|---|---|---|---|---|
| 53-150 μm | 62-72 | 100-115 | 150-175 | ≥4.46 | ≥4.85 | ≤18 | ≤500ppm |
* D10/D50/D90, loose‑packed and tapped densities, and flowability are provided as typical range values; the specific values shall be determined according to 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 |
|---|---|---|
| Stress-relief annealing | Hold at 500–600°C, then cool slowly. | Relieve internal stresses |
| Quenching + Tempering | Tempered after quenching, with a hardness of HRC 40–55. | Gain target resilience |
Typical application areas
Gear
Typical application scenarios
Gear shaft
Typical application scenarios
Transmission components
Typical application scenarios
Carburized parts
Typical application scenarios
8620 Alloy Steel Powder vs. Related Materials
| Material Type | Key Features | Hardness (HRC) | Typical Applications |
|---|---|---|---|
| 4340 | Ultra-high strength and excellent hardenability | 40-55 | Gears, shafts |
| 8620 | Carburizing steel, surface wear resistance | 58–62 after carburizing | Gears, gear shafts |
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 + heat treatment |
| Laser Direct Energy Deposition (DED) | 53-150 μm | Power: 1.5–3 kW | Stress-relief annealing |
| MIM injection molding | -300 mesh | Catalytic degreasing + sintering | Carburizing/Quenching |
* 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, Cr, Ni, Mo), impurities, particle size distribution, oxygen content, flowability, and 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, air, and international express shipping.
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.
