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EN 10222-2 Grade X20CrMoV11-1 – High‑Temperature Quenched & Tempered Steel (+QT)

The heat treatable high temperature material X20CrMoV11-1, material number 1.4922 shows good high-temperature strength up to approx. 580 °C. and scaling resistance up to 700 °C. Application for components of high-temperature strength in pipeline, steam boiler and turbine construction at the upper temperature and pressure range as well as for parts in chemical industry and reactor engineering.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.7 - 7.76 g/cm³

50.0 °C

7.75 g/cm³

100.0 °C

7.74 g/cm³

150.0 °C

7.73 g/cm³

200.0 °C

7.71 g/cm³

250.0 °C

7.7 g/cm³

300.0 °C

7.68 g/cm³

350.0 °C

7.67 g/cm³

400.0 °C

7.65 g/cm³

450.0 °C

7.64 g/cm³

500.0 °C

7.62 g/cm³

550.0 °C

7.61 g/cm³

600.0 °C

7.59 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

216 - 218 GPa

50.0 °C

216.02 GPa

100.0 °C

209 - 213 GPa

150.0 °C

209.64 GPa

200.0 °C

200 - 206.21 GPa

250.0 °C

202.38 GPa

300.0 °C

190 - 198.26 GPa

350.0 °C

193.94 GPa

400.0 °C

179 - 190 GPa

450.0 °C

184.33 GPa

500.0 °C

167 - 180 GPa

550.0 °C

172.85 GPa

600.0 °C

127 - 167 GPa

Elongation

20.0 °C

14 - 16 %

Poisson's ratio

20.0 °C

0.28 [-]

50.0 °C

0.28 [-]

100.0 °C

0.28 [-]

150.0 °C

0.28 [-]

200.0 °C

0.29 [-]

250.0 °C

0.29 [-]

300.0 °C

0.29 [-]

350.0 °C

0.29 [-]

400.0 °C

0.3 [-]

450.0 °C

0.3 [-]

500.0 °C

0.31 [-]

550.0 °C

0.31 [-]

600.0 °C

0.31 [-]

Shear modulus

20.0 °C

84.95 GPa

50.0 °C

84.27 GPa

100.0 °C

82.99 GPa

150.0 °C

81.62 GPa

200.0 °C

80.05 GPa

250.0 °C

78.48 GPa

300.0 °C

76.71 GPa

350.0 °C

74.95 GPa

400.0 °C

73.08 GPa

450.0 °C

70.93 GPa

500.0 °C

68.57 GPa

550.0 °C

66.02 GPa

600.0 °C

63.27 GPa

Tensile strength

20.0 °C

700 - 850 MPa

Yield strength

20.0 °C

500 MPa

Yield strength Rp0.2

20.0 °C

485 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

20.0 °C

1.02E-5 1/K

100.0 °C

1.05E-5 - 1.08E-5 1/K

200.0 °C

1.09E-5 - 1.12E-5 1/K

300.0 °C

1.13E-5 - 1.16E-5 1/K

400.0 °C

1.16E-5 - 1.19E-5 1/K

500.0 °C

1.2E-5 - 1.21E-5 1/K

600.0 °C

1.22E-5 - 1.23E-5 1/K

Max service temperature, long

550 - 600 °C

Melting point

1370 - 1530 °C

Typical for Martensitic Stainless Steel

Specific heat capacity

20.0 °C

439 - 460 J/(kg·K)

100.0 °C

474 - 490 J/(kg·K)

200.0 °C

498 - 540 J/(kg·K)

300.0 °C

517 - 580 J/(kg·K)

400.0 °C

538 - 630 J/(kg·K)

500.0 °C

564 - 710 J/(kg·K)

600.0 °C

598 - 830 J/(kg·K)

Thermal conductivity

20.0 °C

24 W/(m·K)

100.0 °C

24 - 24.4 W/(m·K)

200.0 °C

24.8 - 25 W/(m·K)

300.0 °C

25 - 25.1 W/(m·K)

400.0 °C

25.6 - 26 W/(m·K)

500.0 °C

26 - 26.1 W/(m·K)

600.0 °C

26 - 26.4 W/(m·K)

650.0 °C

30 W/(m·K)

Thermal diffusivity

20.0 °C

7.1 mm²/s

100.0 °C

6.3 mm²/s

200.0 °C

6 mm²/s

300.0 °C

5.7 mm²/s

400.0 °C

5.4 mm²/s

500.0 °C

4.9 mm²/s

600.0 °C

4.1 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

6E-7 - 6.03E-7 Ω·m

50.0 °C

6.26E-7 Ω·m

100.0 °C

6.68E-7 - 6.7E-7 Ω·m

150.0 °C

7.06E-7 Ω·m

200.0 °C

7.4E-7 - 7.43E-7 Ω·m

250.0 °C

7.83E-7 Ω·m

300.0 °C

8.17E-7 - 8.2E-7 Ω·m

350.0 °C

8.54E-7 Ω·m

400.0 °C

8.9E-7 Ω·m

450.0 °C

9.25E-7 Ω·m

500.0 °C

9.6E-7 - 9.62E-7 Ω·m

550.0 °C

9.99E-7 Ω·m

600.0 °C

1.03E-6 - 1.04E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.17 - 0.23 %

Chromium

10 - 12.5 %

Manganese

0.3 - 1 %

Molybdenum

0.8 - 1.2 %

Nickel

0.3 - 0.8 %

Phosphorus

0.02 - 0.03 %

Silicon

0.4 %

Sulfur

0.005 - 0.015 %

Vanadium

0.2 - 0.35 %


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