DIN 17243 Grade X20CrMoV12-1 quenched and tempered (+QT)

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Description

High temperature steel for high pressure hydrogenation vessels up to 600 °C. It is scale resistant in air and steam up to 700 °C. Application: in the chemical industry, steam vessel and turbine construction for blades, screws and other high temperature parts

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.76 g/cm³

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50.0 °C

7.75 g/cm³

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100.0 °C

7.74 g/cm³

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150.0 °C

7.73 g/cm³

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200.0 °C

7.71 g/cm³

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250.0 °C

7.7 g/cm³

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300.0 °C

7.68 g/cm³

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350.0 °C

7.67 g/cm³

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400.0 °C

7.65 g/cm³

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450.0 °C

7.64 g/cm³

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500.0 °C

7.62 g/cm³

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550.0 °C

7.61 g/cm³

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600.0 °C

7.59 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

217.68 - 218 GPa

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50.0 °C

216.02 GPa

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100.0 °C

212.98 - 213 GPa

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150.0 °C

209.64 GPa

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200.0 °C

206 - 206.21 GPa

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250.0 °C

202.38 GPa

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300.0 °C

198 - 198.26 GPa

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350.0 °C

193.94 GPa

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400.0 °C

189 - 190 GPa

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450.0 °C

184.33 GPa

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500.0 °C

178.93 - 180 GPa

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550.0 °C

172.85 GPa

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600.0 °C

165.79 - 167 GPa

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Elongation

20.0 °C

16 - 17 %

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Elongation, transverse

20.0 °C

14 %

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Poisson's ratio

20.0 °C

0.28 [-]

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50.0 °C

0.28 [-]

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100.0 °C

0.28 [-]

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150.0 °C

0.28 [-]

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200.0 °C

0.29 [-]

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250.0 °C

0.29 [-]

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300.0 °C

0.29 [-]

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350.0 °C

0.29 [-]

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400.0 °C

0.3 [-]

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450.0 °C

0.3 [-]

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500.0 °C

0.31 [-]

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550.0 °C

0.31 [-]

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600.0 °C

0.31 [-]

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Shear modulus

20.0 °C

84.95 GPa

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50.0 °C

84.27 GPa

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100.0 °C

82.99 GPa

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150.0 °C

81.62 GPa

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200.0 °C

80.05 GPa

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250.0 °C

78.48 GPa

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300.0 °C

76.71 GPa

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350.0 °C

74.95 GPa

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400.0 °C

73.08 GPa

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450.0 °C

70.93 GPa

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500.0 °C

68.57 GPa

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550.0 °C

66.02 GPa

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600.0 °C

63.27 GPa

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Tensile strength

20.0 °C

690 - 850 MPa

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100.0 °C

650 MPa

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150.0 °C

625 MPa

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200.0 °C

600 MPa

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250.0 °C

590 MPa

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300.0 °C

580 MPa

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350.0 °C

545 MPa

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400.0 °C

510 MPa

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450.0 °C

455 MPa

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500.0 °C

400 MPa

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550.0 °C

325 MPa

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Tensile strength, transverse

20.0 °C

690 - 850 MPa

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Yield strength Rp0.2

20.0 °C

490 - 500 MPa

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100.0 °C

460 MPa

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150.0 °C

445 MPa

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200.0 °C

430 MPa

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250.0 °C

415 MPa

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300.0 °C

390 MPa

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350.0 °C

380 MPa

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400.0 °C

360 MPa

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450.0 °C

330 MPa

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500.0 °C

290 MPa

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550.0 °C

250 MPa

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600.0 °C

160 MPa

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Yield strength Rp0.2, transverse

20.0 °C

490 - 500 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

20.0 °C

1.02E-5 1/K

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100.0 °C

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

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200.0 °C

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

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300.0 °C

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

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400.0 °C

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

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500.0 °C

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

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600.0 °C

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

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Max service temperature, long

0 - 600 °C

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Melting point

1370 - 1530 °C

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Typical for Martensitic Stainless Steel

Specific heat capacity

20.0 °C

439 J/(kg·K)

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100.0 °C

474 - 490 J/(kg·K)

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200.0 °C

498 - 540 J/(kg·K)

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300.0 °C

517 - 580 J/(kg·K)

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400.0 °C

538 - 630 J/(kg·K)

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500.0 °C

564 - 710 J/(kg·K)

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600.0 °C

598 - 830 J/(kg·K)

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Thermal conductivity

20.0 °C

24 W/(m·K)

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100.0 °C

24 - 24.4 W/(m·K)

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200.0 °C

24.8 - 25 W/(m·K)

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300.0 °C

25 - 25.1 W/(m·K)

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400.0 °C

25.6 - 26 W/(m·K)

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500.0 °C

26 - 26.1 W/(m·K)

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600.0 °C

26 - 26.4 W/(m·K)

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Thermal diffusivity

20.0 °C

7.1 mm²/s

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100.0 °C

6.3 mm²/s

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200.0 °C

6 mm²/s

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300.0 °C

5.7 mm²/s

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400.0 °C

5.4 mm²/s

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500.0 °C

4.9 mm²/s

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600.0 °C

4.1 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

6.03E-7 Ω·m

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50.0 °C

6.26E-7 Ω·m

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100.0 °C

6.68E-7 - 6.7E-7 Ω·m

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150.0 °C

7.06E-7 Ω·m

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200.0 °C

7.4E-7 - 7.43E-7 Ω·m

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250.0 °C

7.83E-7 Ω·m

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300.0 °C

8.17E-7 - 8.2E-7 Ω·m

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350.0 °C

8.54E-7 Ω·m

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400.0 °C

8.9E-7 Ω·m

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450.0 °C

9.25E-7 Ω·m

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500.0 °C

9.6E-7 - 9.62E-7 Ω·m

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550.0 °C

9.99E-7 Ω·m

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600.0 °C

1.03E-6 - 1.04E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.17 - 0.23 %

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Chromium

10 - 12.5 %

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Manganese

1 %

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Molybdenum

0.8 - 1.2 %

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Nickel

0.3 - 0.8 %

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Phosphorus

0.03 %

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Silicon

0.5 %

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Sulfur

0.03 %

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Vanadium

0.25 - 0.35 %

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