15-5PH | |
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Category | Steel |
Class | Stainless steel |
Type | Precipitation-hardening standard |
Designations | United States: UNS S15500 |


Composition | |
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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 | |
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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 | |
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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 | |
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