EN 10213 G17CrMoV5-10: High-Strength Quenched & Tempered Steel for Turbine Components
Material G17CrMoV5-10 is equivalent to trademark GS-17 CrMoV 5 11 acc. to DIN17245-87. It is used at room temperature and increased temperatures as well as at increased pressures for thick-walled castings, e.g. for high-stress turbine casings and nozzle boxes in turbine pressure vessel and steam boiler construction.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.85 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 20.0 °C | 211 GPa | |
100.0 °C | 204 GPa | ||
200.0 °C | 196 GPa | ||
300.0 °C | 186 GPa | ||
400.0 °C | 177 GPa | ||
500.0 °C | 164 GPa | ||
600.0 °C | 127 GPa | ||
Elongation | 20.0 °C | 15 % | |
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for Chromium Molybdenum Steel |
Tensile strength | 20.0 °C | 590 - 780 MPa | |
Yield strength Rp0.2 | 20.0 °C | 440 MPa | |
200.0 °C | 385 MPa | ||
300.0 °C | 365 MPa | ||
350.0 °C | 350 MPa | ||
400.0 °C | 335 MPa | ||
450.0 °C | 320 MPa | ||
500.0 °C | 300 MPa | ||
550.0 °C | 260 MPa | ||
Yield strength Rp1.0 | 20.0 °C | 200 MPa | |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 1.24E-5 1/K | |
300.0 °C | 1.36E-5 1/K | ||
500.0 °C | 1.45E-5 1/K | ||
Max service temperature, long | 300 - 610 °C | ||
Melting point | 1382 - 1529 °C | Typical for Chromium Molybdenum Steel | |
Specific heat capacity | 20.0 °C | 460 J/(kg·K) | |
Thermal conductivity | 20.0 °C | 50 W/(m·K) | |
300.0 °C | 46 W/(m·K) | ||
400.0 °C | 42 W/(m·K) | ||
500.0 °C | 38 W/(m·K) | ||
600.0 °C | 34 W/(m·K) | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 1.6E-7 Ω·m |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.15 - 0.2 % |
Chromium | 1.2 - 1.5 % |
Copper | 0.3 % |
Manganese | 0.5 - 0.9 % |
Molybdenum | 0.9 - 1.1 % |
Nickel | 0.4 % |
Phosphorus | 0.02 % |
Silicon | 0.6 % |
Sulfur | 0.015 % |
Tin | 0.03 % |
Vanadium | 0.2 - 0.3 % |
Metal
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