15-5PH precipitation-hardening stainless steel powder · UNS S15500
Ultra-high strength · Outstanding toughness · Specifically designed for additive manufacturing 15–53 μm / 53–150 μm / -600 mesh / -800 mesh
Core Advantages
Ultra-high strength
Age hardening, combining both strength and hardness.
Outstanding Resilience
Excellent low-temperature impact toughness
High sphericity
Good sphericity and uniform powder distribution.
Excellent corrosion resistance
Resistant to atmospheric and weak acid corrosion
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
15-5PH precipitation-hardening stainless steel powder
TIJO employs a non‑vacuum atomization process to produce 15‑5PH prealloyed powder, with composition controlled in accordance with UNS S15500. This material combines ultra‑high strength with excellent toughness and is widely used for aerospace structural components and additive manufacturing.
Corresponding grade
| Standard system | Corresponding grade |
|---|---|
| China GB | 05Cr15Ni5Cu4Nb |
| United States UNS | S15500 |
| Japanese JIS | SUS15500 |
| German DIN | 1.4545 |
Chemical Composition (wt%)
| Element | C | Yes | Mn | Cr | Ni | Cu | Note | Fe |
|---|---|---|---|---|---|---|---|---|
| Content range | ≤0.07 | ≤1.0 | ≤1.0 | 14.0-15.5 | 3.5-5.5 | 2.5-4.5 | 0.15-0.45 | 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 |
|---|---|---|---|---|---|---|---|
| 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 |
| -600 mesh | — | 10-14 | ≤20 | ≥3.30 | 3.8-4.3 | — | ≤500ppm |
| -800 mesh | 3.2-4.6 | 9-11 | 15-19 | ≥3.00 | 4.0-4.4 | — | ≤500ppm |
* D10/D50/D90, loose‑packed and tapped densities, and flowability are provided as typical range values; the specific values shall be subject 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 |
|---|---|---|
| Solution treatment | Hold at 1040℃ ± 10℃, then cool in oil or air. | Obtain a martensitic matrix |
| Aging treatment | Hold at 480–620°C for 1–4 hours. | Precipitation hardening achieves a target hardness of HRC 33–45. |
Typical application areas
Aerospace
Typical application scenarios
Landing gear components
Typical application scenarios
Structural component
Typical application scenarios
3D printing
Typical application scenarios
Precision mold
Typical application scenarios
15-5PH Precipitation-Hardening Stainless Steel Powder vs. Related Materials
| Material Type | Key Features | Hardness (HRC) | Typical Applications |
|---|---|---|---|
| 316L | Excellent corrosion resistance, relatively low strength | ≤25 | Corrosion-resistant structural components |
| 15-5PH | Same-series precipitation hardening, with superior toughness. | 33-45 | Aerospace structural components |
| 18Ni300 | Ultra-high strength | 50-54 | High-Stress Structural 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 + aging |
| 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 + aging |
* 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, Cu, Nb), 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 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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