

- Descripción
15-5PH Stainless Steel Plate: Selection Guide for Precipitation-Hardening Martensitic Stainless Steel
15-5PH stainless steel plate is a precipitation-hardening martensitic stainless steel designed for applications requiring a combination of alta resistencia, good toughness, y resistencia moderada a la corrosión. Es ampliamente utilizado en aerospace components, high-performance mechanical parts, and precision engineering structures.
Compared with traditional martensitic grades, 15-5PH offers improved transverse toughness and better corrosion resistance, making it suitable for critical load-bearing applications.
1. What is 15-5PH Stainless Steel?
| Propiedad | Descripción |
|---|---|
| Steel type | Precipitation-hardening martensitic stainless steel |
| Main elements | cr, En, Cu (with controlled precipitation phase) |
| Strength mechanism | Age hardening (precipitation strengthening) |
| Resistencia a la corrosión | Better than standard martensitic steels |
2. 15-5PH vs 17-4PH Comparison
| Propiedad | 15-5PH | 17-4PH |
|---|---|---|
| Tenacidad | Higher transverse toughness | Good but slightly lower |
| Fortaleza | Alto | muy alto |
| Resistencia a la corrosión | Slightly improved | Bien |
| Typical use | Aeroespacial, high-reliability parts | General industrial components |
15-5PH is often selected when toughness and dimensional stability are more critical than maximum strength alone.
3. Tratamiento térmico & Aging Conditions
The performance of 15-5PH stainless steel is controlled through solution treatment and aging (endurecimiento por precipitación).
- Solution treated: soft state for machining and forming
- H900: very high strength condition
- H1025: balanced strength and toughness
- H1150: improved toughness and stress resistance
| Condición | Characteristic |
|---|---|
| H900 | Maximum strength, lower toughness |
| H1025 | Balanced mechanical properties |
| H1150 | Higher toughness, reduced strength |
4. Aerospace and High-End Applications
| Industria | Ejemplos de aplicación |
|---|---|
| Aeroespacial | Componentes estructurales, landing gear parts |
| Defensa | Conjuntos mecánicos de alta resistencia |
| Industrial engineering | High-load shafts, precision brackets |
| Energy systems | High-pressure mechanical parts |
5. Consideraciones de procesamiento
- Machining is best performed in solution-treated condition
- Aging after machining ensures final strength
- Controlled heat treatment is critical for performance consistency
- Welding requires careful parameter control
6. Capacidad de suministro de acero inoxidable de Teda Ganghua
En Teda Ganghua, we supply high-quality 15-5PH stainless steel plates with stable precipitation-hardening performance. Our materials are widely used in aerospace, precision engineering, and high-strength industrial applications.
También ofrecemos corte de precisión., heat treatment coordination support, and customized fabrication services to meet demanding technical requirements.
Explore nuestros productos de acero inoxidable aquí:
Productos de placa de acero inoxidable
Conclusión
15-5PH stainless steel plate is a high-performance precipitation-hardening alloy that delivers a strong balance of toughness, resistencia a la corrosión, y fuerza. It is especially suitable for aerospace and critical engineering applications where reliability is essential.











