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EN 10216-5 X8CrNiMoVNb16-13: High-Temperature, Precipitation-Hardened Steel for Power Plants & Turbines (+AT+P)

Precipitation hardening, austenitic high temperature special steel which is resistant to scaling up to 750 degrees C and is creep resistant up to 650 degrees C. Used in steam boiler and turbine construction, in the chemical and petrochemical industries, for pipes in power plant construction. In the hardened condition it is used for turbine shovels, spindles, screws as well as for construction components in mechanical engineering.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.96 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

206 GPa

20.0 °C

196 GPa

100.0 °C

190 GPa

200.0 °C

182 GPa

300.0 °C

174 GPa

400.0 °C

166 GPa

500.0 °C

158 GPa

600.0 °C

150 GPa

700.0 °C

142 GPa

800.0 °C

134 GPa

900.0 °C

127 GPa

1000.0 °C

120 GPa

Elongation

20.0 °C

30 %

Elongation, transverse

20.0 °C

20 %

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Austenitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

Typical for Austenitic Stainless Steel

Tensile strength

20.0 °C

540 - 740 MPa

Tensile strength, transverse

20.0 °C

540 - 740 MPa

Yield strength Rp0.2

20.0 °C

255 MPa

100.0 °C

215 MPa

200.0 °C

196 MPa

300.0 °C

177 MPa

400.0 °C

167 MPa

500.0 °C

157 MPa

550.0 °C

152 MPa

600.0 °C

147 MPa

Yield strength Rp0.2, transverse

20.0 °C

255 MPa

Yield strength Rp1.0

20.0 °C

295 MPa

100.0 °C

245 MPa

200.0 °C

226 MPa

300.0 °C

206 MPa

400.0 °C

196 MPa

500.0 °C

186 MPa

550.0 °C

181 MPa

600.0 °C

177 MPa

Yield strength Rp1.0, transverse

20.0 °C

295 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.49E-5 1/K

20.0 °C

1.61E-5 1/K

100.0 °C

1.67E-5 1/K

200.0 °C

1.72E-5 1/K

300.0 °C

1.77E-5 1/K

400.0 °C

1.81E-5 1/K

500.0 °C

1.84E-5 1/K

600.0 °C

1.88E-5 1/K

700.0 °C

1.91E-5 1/K

800.0 °C

1.94E-5 1/K

900.0 °C

1.97E-5 1/K

1000.0 °C

2E-5 1/K

Melting point

1230 - 1480 °C

Typical for Austenitic Stainless Steel

Specific heat capacity

-100.0 °C

440 J/(kg·K)

20.0 °C

472 J/(kg·K)

100.0 °C

487 J/(kg·K)

200.0 °C

503 J/(kg·K)

300.0 °C

512 J/(kg·K)

400.0 °C

520 J/(kg·K)

500.0 °C

530 J/(kg·K)

600.0 °C

541 J/(kg·K)

700.0 °C

551 J/(kg·K)

800.0 °C

559 J/(kg·K)

900.0 °C

565 J/(kg·K)

1000.0 °C

571 J/(kg·K)

Thermal conductivity

20.0 °C

13.3 W/(m·K)

100.0 °C

14.9 W/(m·K)

200.0 °C

16.5 W/(m·K)

300.0 °C

18.1 W/(m·K)

400.0 °C

19.5 W/(m·K)

500.0 °C

21 W/(m·K)

600.0 °C

22.4 W/(m·K)

700.0 °C

23.8 W/(m·K)

800.0 °C

25.2 W/(m·K)

Thermal diffusivity

20.0 °C

3.5 mm²/s

100.0 °C

3.8 mm²/s

200.0 °C

4 mm²/s

300.0 °C

4.3 mm²/s

400.0 °C

4.5 mm²/s

500.0 °C

4.7 mm²/s

600.0 °C

4.8 mm²/s

700.0 °C

5.1 mm²/s

800.0 °C

5.4 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.91E-7 Ω·m

100.0 °C

8.45E-7 Ω·m

200.0 °C

9.19E-7 Ω·m

300.0 °C

9.77E-7 Ω·m

400.0 °C

1.03E-6 Ω·m

500.0 °C

1.08E-6 Ω·m

600.0 °C

1.12E-6 Ω·m

700.0 °C

1.15E-6 Ω·m

800.0 °C

1.18E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.04 - 0.1 %

Chromium

15.5 - 17.5 %

Manganese

1.5 %

Molybdenum

1.1 - 1.5 %

Nickel

12.5 - 14.5 %

Niobium

1.2 %

Phosphorus

0.04 %

Silicon

0.3 - 0.6 %

Sulfur

0.015 %

Vanadium

0.6 - 0.85 %


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