ASTM A471 Class 12 Heat-Treated
Equivalent material: ASTM Class 11, ASTM Class 13
ASTM A471 Class 12 Heat-Treated general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Chromium Molybdenum Steel |
ASTM A471 Class 12 Heat-Treated thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1.1E-5 - 1.4E-5 1/K |
Typical for Chromium Molybdenum Steel |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Chromium Molybdenum Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 448 - 502 J/(kg·K) |
Typical for Chromium Molybdenum Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 36 - 43 W/(m·K) |
Typical for Chromium Molybdenum Steel |
ASTM A471 Class 12 Heat-Treated mechanical
| Property |
Temperature |
Value |
Comment |
| Charpy impact energy |
23.0 °C |
Charpy impact energy of 20 J |
- |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Chromium Molybdenum Steel |
| Elongation A50 |
23.0 °C |
Elongation A50 of 18 % |
- |
| Hardness, Brinell |
23.0 °C |
Hardness, Brinell of 229 - 269 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Chromium Molybdenum Steel |
| Reduction of area |
23.0 °C |
Reduction of area of 48 % |
- |
| Tensile strength |
23.0 °C |
Tensile strength of 760 MPa |
- |
| Yield strength Rp0.02 |
23.0 °C |
Yield strength Rp0.02 of 585 - 725 MPa |
- |
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