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EN 10213 Grade G17CrMo9-10 – Quenched & Tempered (QT) Steel for High-Temperature Applications

Material G17CrMo9-10 is equivalent to trademark GS-18 CrMo 9 10 acc. to DIN17245-87. It is used at room temperature and increased temperatures. The DIN-make is applicated for thick-walled castings at high temperatures and pressures, such as turbines, pressure vessels and steam boilers.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.85 g/cm³

Mechanical

PropertyTemperatureValueComment

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

18 %

Poisson's ratio

23.0 °C

0.29 [-]

Typical for Chromium Molybdenum Steel

Tensile strength

20.0 °C

590 - 740 MPa

Yield strength Rp0.2

20.0 °C

400 MPa

200.0 °C

355 MPa

300.0 °C

345 MPa

350.0 °C

330 MPa

400.0 °C

315 MPa

450.0 °C

305 MPa

500.0 °C

280 MPa

550.0 °C

240 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.18E-5 - 1.22E-5 1/K

200.0 °C

1.29E-5 1/K

300.0 °C

1.26E-5 - 1.34E-5 1/K

400.0 °C

1.39E-5 1/K

500.0 °C

1.34E-5 - 1.43E-5 1/K

600.0 °C

1.46E-5 1/K

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

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.6E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.13 - 0.2 %

Chromium

2 - 2.5 %

Copper

0.3 %

Manganese

0.5 - 0.9 %

Molybdenum

0.9 - 1.2 %

Nickel

0.4 %

Phosphorus

0.02 %

Silicon

0.6 %

Sulfur

0.02 %

Vanadium

0.05 %


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