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EN 10250-4 Grade X3CrNiMo13-4: High-Performance Quenched & Tempered Steel for Turbines & Power Plants

The make X3CrNiMo13-4 is comparable to X 4 CrNi 13 4 acc. to SEW 400: 1991-02. The steel shows at temperatures of -60 to 300 °C favorable ductility properties and sufficient corrosion resistance. Better corrosion qualities than comparable 13% Cr-steels due to the Ni-content. Application in tempered condition for turbine blade wheels, pumps, compressors, components of power plant and reactor construction as well as in shipbuilding.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.58 - 7.7 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

200 - 218 GPa

100.0 °C

195 - 213 GPa

200.0 °C

185 - 206 GPa

300.0 °C

175 - 198 GPa

400.0 °C

170 - 190 GPa

500.0 °C

180 GPa

600.0 °C

167 GPa

700.0 °C

150 GPa

Elongation

20.0 °C

12 - 15 %

Elongation, transverse

20.0 °C

10 - 12 %

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Martensitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

Typical for Martensitic Stainless Steel

Tensile strength

20.0 °C

650 - 1100 MPa

Tensile strength, transverse

20.0 °C

650 - 1100 MPa

Yield strength Rp0.2

20.0 °C

520 - 800 MPa

100.0 °C

500 - 720 MPa

150.0 °C

490 - 690 MPa

200.0 °C

480 - 665 MPa

250.0 °C

470 - 640 MPa

300.0 °C

460 - 620 MPa

350.0 °C

450 - 515 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

20.0 °C

1.02E-5 1/K

100.0 °C

1.05E-5 1/K

200.0 °C

1.09E-5 1/K

300.0 °C

1.13E-5 1/K

400.0 °C

1.16E-5 1/K

500.0 °C

1.2E-5 1/K

600.0 °C

1.22E-5 1/K

700.0 °C

1.24E-5 1/K

Melting point

1370 - 1530 °C

Typical for Martensitic Stainless Steel

Specific heat capacity

20.0 °C

430 - 439 J/(kg·K)

100.0 °C

474 J/(kg·K)

200.0 °C

492 J/(kg·K)

300.0 °C

517 J/(kg·K)

400.0 °C

538 J/(kg·K)

500.0 °C

564 J/(kg·K)

600.0 °C

598 J/(kg·K)

700.0 °C

647 J/(kg·K)

Thermal conductivity

20.0 °C

15.7 - 25 W/(m·K)

100.0 °C

17.1 W/(m·K)

200.0 °C

18.6 W/(m·K)

300.0 °C

20 W/(m·K)

400.0 °C

21.2 W/(m·K)

500.0 °C

22.3 W/(m·K)

600.0 °C

23.1 W/(m·K)

700.0 °C

23.8 W/(m·K)

Thermal diffusivity

20.0 °C

4.7 mm²/s

100.0 °C

4.5 mm²/s

200.0 °C

4.6 mm²/s

300.0 °C

4.7 mm²/s

400.0 °C

4.5 mm²/s

500.0 °C

4.3 mm²/s

600.0 °C

3.7 mm²/s

700.0 °C

3 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

9.19E-7 Ω·m

100.0 °C

9.48E-7 Ω·m

200.0 °C

9.87E-7 Ω·m

300.0 °C

1.03E-6 Ω·m

400.0 °C

1.07E-6 Ω·m

500.0 °C

1.12E-6 Ω·m

600.0 °C

1.18E-6 Ω·m

700.0 °C

1.24E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.05 %

Chromium

12 - 14 %

Manganese

1.5 %

Molybdenum

0.3 - 0.7 %

Nickel

3.5 - 4.5 %

Nitrogen

0.02 %

Phosphorus

0.04 %

Silicon

0.7 %

Sulfur

0.015 %


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