DIN 17205 Grade GS-34CrMo4 air quenched and tempered
DIN 17205 Grade GS-34CrMo4 air quenched and tempered introduction
The material GS-34 CrMo 4 is applicable up to 300 degrees C. The use is performed chiefly in the vehicle and gear manufacturing, e.g. for steering knuckles, rear axle bridges, cog wheels, toothed rims, drive sprocket rims, supporting arms.
Equivalent material: DIN G34CrMo4(1.7230), DIN 1.7230, DIN G34CrMo4, EN 1.7230, ISO G32CrMo4, ASTM Grade SC4130
DIN 17205 Grade GS-34CrMo4 air quenched and tempered general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
DIN 17205 Grade GS-34CrMo4 air quenched and tempered thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.1E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.2E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.3E-5 1/K |
- |
| Max service temperature, long |
- |
Max service temperature, long of 0 - 300 °C |
- |
| 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 |
DIN 17205 Grade GS-34CrMo4 air quenched and tempered chemical
| Property |
Value |
| Carbon |
Carbon of 0.3 - 0.37 % |
| Chromium |
Chromium of 0.8 - 1.2 % |
| Manganese |
Manganese of 0.5 - 0.8 % |
| Molybdenum |
Molybdenum of 0.2 - 0.3 % |
| Phosphorus |
Phosphorus of 0.02 % |
| Silicon |
Silicon of 0.6 % |
| Sulfur |
Sulfur of 0.015 % |
DIN 17205 Grade GS-34CrMo4 air quenched and tempered mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 211 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 204 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 196 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 186 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 10 % |
- |
| 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 620 - 800 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 300 - 380 MPa |
- |
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