SEW 835 Grade GS-42CrMo4 quenched and tempered (+QT)
SEW 835 Grade GS-42CrMo4 quenched and tempered (+QT) introduction
Application for toggle levers, crane wheels, bevel gears as well as for liners for crushing and screening machines.
Equivalent material: DIN 1.7231, DIN 42CrMo4, EN 42CrMo4, EN 1.7231
SEW 835 Grade GS-42CrMo4 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
SEW 835 Grade GS-42CrMo4 quenched and tempered (+QT) 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 |
SEW 835 Grade GS-42CrMo4 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.38 - 0.45 % |
| Chromium |
Chromium of 0.9 - 1.2 % |
| Manganese |
Manganese of 0.5 - 0.8 % |
| Molybdenum |
Molybdenum of 0.15 - 0.25 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.25 - 0.5 % |
| Sulfur |
Sulfur of 0.035 % |
SEW 835 Grade GS-42CrMo4 quenched and tempered (+QT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Chromium Molybdenum Steel |
| Elongation |
20.0 °C |
Elongation of 12 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Chromium Molybdenum Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 687 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 471 MPa |
- |
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