EN 10272 Grade X2CrNiN23-4 solution annealed (+AT)

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Description

The austenitic-ferritic steel grade X2CrNiN23-4 acc. to DIN EN 10272 : 2001-01is used for hot and cold formed rods for pressure vessels. The material is a stainless duplex-steel with high strength and hardness, very good resistance to general corrosion, pitting corrosion and particularly to stress corrosion. Furthermore it shows resistance to intercrystalline corrosion also in sensitized condition.

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.8 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

200 - 212 GPa

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100.0 °C

194 - 206 GPa

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200.0 °C

186 GPa

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300.0 °C

180 GPa

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Elongation

20.0 °C

25 %

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Hardness, Brinell

20.0 °C

260 [-]

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Duplex Stainless Steel

Shear modulus

23.0 °C

77 GPa

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Typical for Duplex Stainless Steel

Tensile strength

20.0 °C

600 - 830 MPa

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100.0 °C

540 MPa

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150.0 °C

520 MPa

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200.0 °C

500 MPa

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250.0 °C

490 MPa

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Yield strength Rp0.2

20.0 °C

400 MPa

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100.0 °C

330 MPa

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150.0 °C

300 MPa

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200.0 °C

280 MPa

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250.0 °C

265 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.3E-5 - 1.33E-5 1/K

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200.0 °C

1.35E-5 1/K

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300.0 °C

1.4E-5 1/K

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Max service temperature

300 °C

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Typical for Duplex Stainless Steel

Melting point

1375 - 1450 °C

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Typical for Duplex Stainless Steel

Specific heat capacity

20.0 °C

500 J/(kg·K)

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Thermal conductivity

20.0 °C

13.4 - 15 W/(m·K)

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100.0 °C

14.9 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.85E-7 - 8E-7 Ω·m

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100.0 °C

8.44E-7 Ω·m

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Chemical properties

PropertyValue

Carbon

0.03 %

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Chromium

22 - 24 %

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Copper

0.1 - 0.6 %

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Manganese

2 %

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Molybdenum

0.1 - 0.6 %

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Nickel

3.5 - 5.5 %

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Nitrogen

0.05 - 0.2 %

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Phosphorus

0.04 %

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Silicon

1 %

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Sulfur

0.015 %

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