| 15-5PH | |
 | |
| Category | Steel |
| Class | Stainless steel |
| Type | Precipitation-hardening standard |
| Designations | United States: UNS S15500 |
| Composition | |
| |
| Element | Weight % |
| C | 0.07 |
| Mn | 1.00 |
| Si | 1.00 |
| Cr | 14.0-15.5 |
| Ni | 3.5-5.5 |
| P | 0.04 |
| S | 0.03 |
| Cu | 2.5-4.5 |
| Nb+Ta | 0.15-0.45 |
| Mechanical Properties | |
| |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 7.7-8.03 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 196 | 25 | |
| Tensile Strength (Mpa) | 1070 | 25 | H1025 (bar, plate, sheet, strip) more |
| Yield Strength (Mpa) | 1000 | ||
| Elongation (%) | 12 | ||
| Reduction in Area (%) | 45 | ||
| Hardness (HRC) | 35-42 | 25 | H1025 (bar, plate, sheet, strip) more |
| Note: Values vary with flat-rolled products. | |||
| Thermal Properties | |
| |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Thermal Expansion (10-6/ºC) | 10.8 | 0-100 more | |
| Thermal Conductivity (W/m-K) | 17.8 | 100 more | |
| Specific Heat (J/kg-K) | 420 | 0-100 | |
| Electric Properties | |
| |
