EngiRef / Stainless Steel Properties
17-4 PH Stainless Steel
17-4 PH Stainless Steel (AISI 630 / UNS S17400): stainless steel engineering material. Density 7750 kg/m³. Yield 1170 MPa, ultimate 1310 MPa.
stainless-steel
Specification
- Name
- 17-4 PH Stainless Steel
- Category
- stainless-steel
- Designation
- AISI 630 / UNS S17400
- Applications
- Aerospace components, Chemical processing, Nuclear waste casks
- Notes
- Precipitation hardening. Very high strength with good corrosion resistance.
Properties
| Property | Value |
|---|---|
| Density | 7750 kg/m³ |
| Tensile Strength Yield | 1170 MPa |
| Tensile Strength Ultimate | 1310 MPa |
| Elastic Modulus | 197 GPa |
| Shear Modulus | 77.2 GPa |
| Poissons Ratio | 0.27 |
| Thermal Conductivity | 18.4 W/(m·K) |
| Thermal Expansion | 10.8 µm/(m·K) |
| Specific Heat | 460 J/(kg·K) |
| Melting Point | 1400 °C |
| Hardness | Brinell: 388, Rockwell C: C40 |