EN 10028-7 Grade X2CrNiMoN22-5-3 solution annealed (+AT)

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Description

The ferritic-austenitic steel X2CrNiMoN22-5-3 is high resistant to stress corrosion in chloride-containing media. Favorable resistance to pitting corrosion and intercrystalline corrosion even in sensitized resp. welded condition. The steel shows favorable general resistance in many corrosive media, such as organic and inorganic acids, resistance under acid gas conditions and favorable hot and cold forming property, It is weldable. Application: chemical and petrochemical industry, for pressure vessels, heat-exchanger and tubes, offshore-engineering Application temperature: -10 to 280 °C

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

20 - 25 %

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Elongation A80

20.0 °C

20 - 25 %

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Elongation A80, transverse

20.0 °C

20 - 25 %

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Elongation, transverse

20.0 °C

20 - 25 %

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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

640 - 950 MPa

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50.0 °C

621 MPa

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100.0 °C

590 MPa

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150.0 °C

570 MPa

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200.0 °C

550 MPa

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250.0 °C

540 MPa

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Tensile strength, transverse

20.0 °C

640 - 950 MPa

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Yield strength Rp0.2

50.0 °C

422 MPa

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100.0 °C

360 MPa

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150.0 °C

335 MPa

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200.0 °C

315 MPa

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250.0 °C

300 MPa

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Yield strength Rp0.2, transverse

20.0 °C

445 - 500 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

Max service temperature, long

-10 - 280 °C

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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

21 - 23 %

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Manganese

2 %

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Molybdenum

2.5 - 3.5 %

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Nickel

4.5 - 6.5 %

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Nitrogen

0.1 - 0.22 %

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Phosphorus

0.04 %

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Silicon

1 %

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Sulfur

0.015 %

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