DIN 17205 Grade GS-25CrNiMo4 air quenched and tempered
DIN 17205 Grade GS-25CrNiMo4 air quenched and tempered introduction
The material GS-25 CrNiMo 4 is applicable up to 300 degrees C, in, among other things, the vehicle and gear manufacturing for highly stressed components.
Equivalent material: DIN 1.6515, EN GS-25CrNiMo4, EN 1.6515
DIN 17205 Grade GS-25CrNiMo4 air quenched and tempered general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
DIN 17205 Grade GS-25CrNiMo4 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 Nickel Chromium Molybdenum Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 448 - 670 J/(kg·K) |
Typical for Nickel Chromium Molybdenum Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 34 - 54 W/(m·K) |
Typical for Nickel Chromium Molybdenum Steel |
DIN 17205 Grade GS-25CrNiMo4 air quenched and tempered chemical
| Property |
Value |
| Carbon |
Carbon of 0.22 - 0.29 % |
| Chromium |
Chromium of 0.8 - 1.2 % |
| Manganese |
Manganese of 0.6 - 1 % |
| Molybdenum |
Molybdenum of 0.2 - 0.3 % |
| Nickel |
Nickel of 0.8 - 1.2 % |
| Phosphorus |
Phosphorus of 0.02 % |
| Silicon |
Silicon of 0.6 % |
| Sulfur |
Sulfur of 0.015 % |
DIN 17205 Grade GS-25CrNiMo4 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 15 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Nickel Chromium Molybdenum Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 650 - 850 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 350 - 400 MPa |
- |
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