DIN 17245 Grade GS-18CrMo9-10 quenched and tempered (+QT)
DIN 17245 Grade GS-18CrMo9-10 quenched and tempered (+QT) introduction
GS-18 CrMo 9 10 is used for thick-walled cast pieces at high temperatures and pressures.
Equivalent material: UNS UNSJ21890, BDS 16ChML, JIS SCPH32, PN L18H2M, DIN G17CrMo9-10, DIN 1.7379, EN GS-18CrMo9-10, EN G17CrMo9-10, EN 1.7379, ASTM CP22, ASTM Grade CP22, UNS J21890
DIN 17245 Grade GS-18CrMo9-10 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
DIN 17245 Grade GS-18CrMo9-10 quenched and tempered (+QT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.22E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.29E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.34E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.39E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.43E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.46E-5 1/K |
- |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Chromium Molybdenum Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 460 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 50 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 46 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 42 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 38 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 34 W/(m·K) |
- |
DIN 17245 Grade GS-18CrMo9-10 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.15 - 0.2 % |
| Chromium |
Chromium of 2 - 2.5 % |
| Manganese |
Manganese of 0.5 - 0.8 % |
| Molybdenum |
Molybdenum of 0.9 - 1.1 % |
| Phosphorus |
Phosphorus of 0.02 % |
| Silicon |
Silicon of 0.3 - 0.6 % |
| Sulfur |
Sulfur of 0.015 % |
DIN 17245 Grade GS-18CrMo9-10 quenched and tempered (+QT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 1.6E-7 Ω·m |
DIN 17245 Grade GS-18CrMo9-10 quenched and tempered (+QT) 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 |
- |
| - |
400.0 °C |
Elastic modulus of 177 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 164 GPa |
- |
| - |
600.0 °C |
Elastic modulus of 127 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 18 % |
- |
| 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 590 - 740 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 400 MPa |
- |
| Yield strength Rp0.2 |
200.0 °C |
Yield strength Rp0.2 of 355 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 345 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 330 MPa |
- |
| - |
400.0 °C |
Yield strength Rp0.2 of 315 MPa |
- |
| - |
450.0 °C |
Yield strength Rp0.2 of 305 MPa |
- |
| - |
500.0 °C |
Yield strength Rp0.2 of 280 MPa |
- |
| - |
550.0 °C |
Yield strength Rp0.2 of 240 MPa |
- |
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