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X2CrNiMoN25-7-4 Solution-Annealed Stainless Steel – EN 10088‑1 Grade X2

The austenitic-ferritic material X2CrNiMoN25-7-4 is used in solution annealed condition in the form of cold rolled strip, warm rolled strip and warm rolled sheet as well as for rods, wire rod and profiles. It is resistant to intercrystalline corrosion also in sensitized condition.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.8 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

200 GPa

100.0 °C

194 GPa

200.0 °C

186 GPa

300.0 °C

180 GPa

Elongation

20.0 °C

20 - 25 %

Hardness, Brinell

20.0 °C

290 [-]

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Duplex Stainless Steel

Shear modulus

23.0 °C

77 GPa

Typical for Duplex Stainless Steel

Tensile strength

20.0 °C

730 - 1050 MPa

Tensile strength, transverse

20.0 °C

730 - 1000 MPa

Yield strength Rp0.2

20.0 °C

530 MPa

100.0 °C

450 MPa

150.0 °C

420 MPa

200.0 °C

400 MPa

250.0 °C

380 MPa

Yield strength Rp0.2, transverse

20.0 °C

530 - 550 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.3E-5 1/K

200.0 °C

1.35E-5 1/K

300.0 °C

1.4E-5 1/K

Max service temperature

300 °C

Typical for Duplex Stainless Steel

Melting point

1375 - 1450 °C

Typical for Duplex Stainless Steel

Specific heat capacity

20.0 °C

500 J/(kg·K)

Thermal conductivity

20.0 °C

15 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

8E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.03 %

Chromium

24 - 26 %

Manganese

2 %

Molybdenum

3 - 4.5 %

Nickel

6 - 8 %

Nitrogen

0.24 - 0.35 %

Phosphorus

0.04 %

Silicon

1 %

Sulfur

0.015 %


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