JIS G4805 Grade 20NiCrMo7 isothermally treated to ferrite-perlite structure and hardness range
Equivalent material: DIN 1.3576, JIS SNCM420H, JIS SNCM420, EN 1.3576, ISO 20NiCrMo7
JIS G4805 Grade 20NiCrMo7 isothermally treated to ferrite-perlite structure and hardness range general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Chromium Molybdenum Steel |
JIS G4805 Grade 20NiCrMo7 isothermally treated to ferrite-perlite structure and hardness range 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 |
JIS G4805 Grade 20NiCrMo7 isothermally treated to ferrite-perlite structure and hardness range mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Chromium Molybdenum Steel |
| Hardness, Brinell |
23.0 °C |
Hardness, Brinell of 154 - 207 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Chromium Molybdenum Steel |
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