JIS G4105 Grade SCM418
Equivalent material: GB/T 20CrMo, GB/T 20CrMo, GB 20CrMo, UNI 18CrMo4, JIS SCM418H, DIN 1.7242, DIN 16CrMo4, AFNOR 18CrMo4, SS 18CrMo4, EN 18CrMo4, EN 1.7242
JIS G4105 Grade SCM418 general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Chromium Molybdenum Steel |
JIS G4105 Grade SCM418 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 G4105 Grade SCM418 electrical
| Property |
Value |
| Carbon |
Carbon of 0.16 - 0.21 % |
| Chromium |
Chromium of 0.9 - 1.2 % |
| Iron |
Iron of 97.03 - 98.04 % |
| Manganese |
Manganese of 0.6 - 0.85 % |
| Molybdenum |
Molybdenum of 0.15 - 0.3 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.15 - 0.35 % |
| Sulfur |
Sulfur of 0.03 % |
JIS G4105 Grade SCM418 mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Chromium Molybdenum Steel |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Chromium Molybdenum Steel |
