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EN 10272 Grade X3CrNiMo13-4 – Quenched & Tempered (QT650) Premium Martensitic Steel

The martensitic steel grade X3CrNiMo13-4 acc. to DIN EN 10272 : 2001-01is used for warm and cold formed rods for pressure vessel. The steel shows favorable ductility properties and sufficient corrosion resistance in the temperature range from -60 to 300 °C. X3CrNiMo13-4 has due to the Ni-content better corrosion properties than the comparable 13 per cent Cr-steels.

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

15 %

Elongation, transverse

20.0 °C

12 - 14 %

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 - 830 MPa

Tensile strength, transverse

20.0 °C

650 - 830 MPa

Yield strength Rp0.2

20.0 °C

520 MPa

100.0 °C

500 MPa

150.0 °C

490 MPa

200.0 °C

480 MPa

250.0 °C

470 MPa

300.0 °C

460 MPa

350.0 °C

450 - 460 MPa

Yield strength Rp0.2, transverse

20.0 °C

520 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

Max service temperature, long

-60 - 300 °C

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

6E-7 - 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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