EN 10213 Grade G20Mo5 quenched and tempered (+QT)
EN 10213 Grade G20Mo5 quenched and tempered (+QT) introduction
Material G20Mo5 is equivalent to trademark GS-22 Mo 4 acc. to DIN 17245-87. It is used at room temperature and increased temperatures. The DIN-make is used for turbine parts at temperatures from 300 to 450 °C and mean pressure, e.g. for casings and fittings.
Equivalent material: UNI G20Mo5, JIS SCPH11, PN L20M, MSZ Aö18Mo, DIN GS-22Mo4, ISO G20Mo5, KS SCPH11, ASTM WC1, UNS J12524, ASTM LC1, UNS J12522, ASTM A217 Grade WC1, ASTM Grade WC1, ASTM A352 Grade LC1, ASTM Grade LC1, DIN 1.5419, DIN 22Mo4, DIN G20Mo5, BS 1503-243-430, UNI G22Mo5, SS 2512, AISI 4419, SAE 4419, EN GS-22Mo4, EN 1.5419
EN 10213 Grade G20Mo5 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
EN 10213 Grade G20Mo5 quenched and tempered (+QT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.22E-5 - 1.24E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.29E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.31E-5 - 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 1.38E-5 - 1.43E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.46E-5 1/K |
- |
| Max service temperature, long |
- |
Max service temperature, long of 300 - 610 °C |
- |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for 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) |
- |
| - |
50.0 °C |
Thermal conductivity of 43 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) |
- |
EN 10213 Grade G20Mo5 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.15 - 0.23 % |
| Chromium |
Chromium of 0.3 % |
| Copper |
Copper of 0.3 % |
| Manganese |
Manganese of 0.5 - 1 % |
| Molybdenum |
Molybdenum of 0.4 - 0.6 % |
| Nickel |
Nickel of 0.4 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.6 % |
| Sulfur |
Sulfur of 0.02 % |
| Vanadium |
Vanadium of 0.05 % |
EN 10213 Grade G20Mo5 quenched and tempered (+QT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 1.6E-7 Ω·m |
EN 10213 Grade G20Mo5 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 22 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Molybdenum Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 440 - 590 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 245 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 190 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 165 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 155 MPa |
- |
| - |
400.0 °C |
Yield strength Rp0.2 of 150 MPa |
- |
| - |
450.0 °C |
Yield strength Rp0.2 of 145 MPa |
- |
| - |
500.0 °C |
Yield strength Rp0.2 of 135 MPa |
- |
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