Precipitation-Hardening Stainless Steels
Heat-treatable for high strength, used in aerospace and high-stress applications.
| Grade / Alloy | UNS/W.Nr. | Key Specs (Examples) | Typical Properties & Uses |
|---|---|---|---|
| 17-4PH | S17400 / 1.4542 | AMS 5643 | Fatigue resistance; springs, aerospace clips. |
| 17-7PH | S17700 / 1.4568 | AMS 5528 | Fatigue resistance; springs, aerospace clips. |
| 15-5PH | S15500 / 1.4540 | AMS 5659 | Toughness over 17-4; gears, nuclear. |
| 13-8Mo | S13800 / 1.4534 | AMS 5629 | Ultra-high strength; jet engines, fasteners. |
| A-286 | S66286 / 1.4980 | AMS 5731 | Precipitation-hardenable; fasteners, turbine parts. |
For full chemical compositions, mechanical properties, heat treatments, and certifications, download our data sheets (linked per grade). Additional grades available on request.
Industries & Applications
- Chemical & Petrochemical
- Marine & Offshore
- Food & Beverage
- Aerospace & Defense
- Construction & Architecture