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EN 10216-5 X2CrNiMoN25-7-4 Austenitic‑Ferritic Steel – Solution Annealed for Superior Corrosion Resistance

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 %

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

800 - 1000 MPa

Yield strength Rp0.2

20.0 °C

550 MPa

50.0 °C

530 MPa

100.0 °C

480 MPa

150.0 °C

445 MPa

200.0 °C

420 MPa

250.0 °C

405 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

0.2 - 0.35 %

Phosphorus

0.04 %

Silicon

1 %

Sulfur

0.015 %


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    1. EN 10250-4 Grade X2CrNiMoN25-7-4: Solution-Annealed Steel for High-Performance Applications
    2. EN 10216-5 X2CrNiMoSi18-5-3 Solution-Annealed Stainless Steel – High-Performance Grade for Pressurized Tubes
    3. EN 10217-7 Grade X2CrNiMoN25-7-4 Solution-Annealed Steel (+AT) – High-Temperature Corrosion Resistance
    4. EN 10216-5 Grade X2CrNiMoCuWN25-7-4 – Solution Annealed (Plus AT) – Premium Austenitic‑Ferritic Alloy
    5. EN 10216-5 X3CrNiN18-11: Solution-Annealed Austenitic Stainless Steel (+AT)
    6. X2CrNiMoN25-7-4 Austenitic Steel – Solution Annealed, High-Performance Cold/Warm Rolled Strips, Sheets, and Profiles
    7. EN 10216-5 Grade X10CrNiMoMnNbVB15-10-1 – Solution Annealed with Additional Treatment
    8. EN 10216‑5 Grade X6CrNiMo17‑13‑2 – Solution Annealed for High‑Temperature Performance
    9. X2CrNiMoN25-7-4 Solution-Annealed Stainless Steel – EN 10088‑1 Grade X2
    10. EN 10216-5 X7CrNiTiB18-10: High‑Creep Resistant, Solution‑Annealed Steel (+AT)