EN 10269 Grade X6CrNiMoB17-12-2 solution annealed (+AT)

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Description

Unstabilized austenitic high-temperature steel with good thermal resistance up to 700 °C for application in power station engineering (sodium-cooled fast breeder, pressure vessels, fittings, pipelines), in chemical industry as well as for superheater tubes and turbine lines. Further application for mounting elements at increased temperatures.

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

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

7.98 - 8 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

206 GPa

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20.0 °C

196 - 198 GPa

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100.0 °C

190 - 192 GPa

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200.0 °C

182 - 183 GPa

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300.0 °C

174 - 175 GPa

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400.0 °C

166 - 167 GPa

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500.0 °C

158 - 159 GPa

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600.0 °C

150 GPa

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700.0 °C

142 GPa

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800.0 °C

134 GPa

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900.0 °C

127 GPa

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1000.0 °C

120 GPa

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Elongation

20.0 °C

35 %

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Austenitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

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Typical for Austenitic Stainless Steel

Tensile strength

20.0 °C

490 - 690 MPa

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50.0 °C

490 MPa

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100.0 °C

460 MPa

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150.0 °C

440 MPa

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200.0 °C

420 MPa

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250.0 °C

415 MPa

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300.0 °C

410 MPa

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350.0 °C

410 MPa

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400.0 °C

410 MPa

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450.0 °C

405 MPa

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500.0 °C

390 MPa

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550.0 °C

375 MPa

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600.0 °C

350 MPa

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Yield strength Rp0.2

20.0 °C

205 MPa

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50.0 °C

194 MPa

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100.0 °C

177 MPa

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150.0 °C

162 MPa

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200.0 °C

147 MPa

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250.0 °C

137 MPa

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300.0 °C

127 MPa

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350.0 °C

122 MPa

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400.0 °C

118 MPa

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450.0 °C

113 MPa

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500.0 °C

108 MPa

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550.0 °C

103 MPa

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600.0 °C

98 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.49E-5 1/K

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20.0 °C

1.61E-5 1/K

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100.0 °C

1.63E-5 - 1.67E-5 1/K

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200.0 °C

1.68E-5 - 1.72E-5 1/K

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300.0 °C

1.73E-5 - 1.77E-5 1/K

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400.0 °C

1.76E-5 - 1.81E-5 1/K

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500.0 °C

1.82E-5 - 1.84E-5 1/K

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600.0 °C

1.85E-5 - 1.88E-5 1/K

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700.0 °C

1.91E-5 1/K

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800.0 °C

1.94E-5 1/K

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900.0 °C

1.97E-5 1/K

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1000.0 °C

2E-5 1/K

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Max service temperature, long

0 - 700 °C

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Melting point

1230 - 1480 °C

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Typical for Austenitic Stainless Steel

Specific heat capacity

-100.0 °C

440 J/(kg·K)

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20.0 °C

450 - 472 J/(kg·K)

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100.0 °C

487 J/(kg·K)

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200.0 °C

503 J/(kg·K)

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300.0 °C

512 J/(kg·K)

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400.0 °C

520 J/(kg·K)

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500.0 °C

530 J/(kg·K)

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600.0 °C

541 J/(kg·K)

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700.0 °C

551 J/(kg·K)

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800.0 °C

559 J/(kg·K)

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900.0 °C

565 J/(kg·K)

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1000.0 °C

571 J/(kg·K)

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Thermal conductivity

20.0 °C

13.5 - 16 W/(m·K)

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100.0 °C

15 W/(m·K)

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200.0 °C

16.7 W/(m·K)

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300.0 °C

18.3 W/(m·K)

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400.0 °C

19.8 W/(m·K)

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500.0 °C

21.2 W/(m·K)

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600.0 °C

22.7 W/(m·K)

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700.0 °C

24.1 W/(m·K)

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800.0 °C

25.5 W/(m·K)

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900.0 °C

26.9 W/(m·K)

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1000.0 °C

28.3 W/(m·K)

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Thermal diffusivity

20.0 °C

3.6 mm²/s

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100.0 °C

3.8 mm²/s

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200.0 °C

4 mm²/s

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300.0 °C

4.4 mm²/s

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400.0 °C

4.6 mm²/s

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500.0 °C

4.7 mm²/s

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600.0 °C

4.9 mm²/s

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700.0 °C

5.2 mm²/s

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800.0 °C

5.5 mm²/s

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900.0 °C

5.8 mm²/s

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1000.0 °C

5.9 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.1E-7 - 7.7E-7 Ω·m

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100.0 °C

8.34E-7 Ω·m

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200.0 °C

9.03E-7 Ω·m

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300.0 °C

9.64E-7 Ω·m

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400.0 °C

1.02E-6 Ω·m

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500.0 °C

1.06E-6 Ω·m

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600.0 °C

1.1E-6 Ω·m

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700.0 °C

1.13E-6 Ω·m

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800.0 °C

1.17E-6 Ω·m

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900.0 °C

1.19E-6 Ω·m

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1000.0 °C

1.22E-6 Ω·m

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Chemical properties

PropertyValue

Boron

1.5E-3 - 5E-3 %

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Carbon

0.04 - 0.08 %

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Chromium

16.5 - 18.5 %

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Manganese

2 %

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Molybdenum

2 - 2.5 %

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Nickel

10 - 13 %

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Nitrogen

0.1 - 0.11 %

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Phosphorus

0.04 %

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Silicon

1 %

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Sulfur

0.015 %

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