EN 10088-1 Grade X2CrNiMoN22-5-3 solution annealed (+AT)

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Description

Material X2CrNiMoN22-5-3 is comparable to X 2 CrNiMoN 22 5 3 acc. to SEW 400 : 1991-02. It is applicated acc. to VdTÜV-Wbl 418 : 1999-03 for pressure vessels as per TRB 100 as well as for pipelines acc. to TRR 100 and AD-data sheets W 2 and W 9 from -10 to 280 °C. The material is applicable up to -40 °C. if for this temperature was proven a notch impact energy KV with a minimum average value (3 V-tests) of 40 joule. The steel is usable up to -60 °C. in a loading case II acc. to AD-data sheet W 10 . It can be used for pipelines and pipeline components acc. to TRbF and TRGL from -10 to 280 °C., in nuclear power engineering as far as nuclear rules or object-related specifications permit use from -10 to 280 °C. This material is resistant to intercrystalline corrosion. Its welding suitability is examined allowing for general accepted engineering rules for metal inert gas welding, metal arc welding as well as for submerged welding. Similar or fully austenitic welding rods or wire electrodes and covered rod electrodes, as far as they are suitability tested , have to be used as filler metals. The working temperature should not exceed 250 °C. Heat treatment after welding is not necessary. The material is cold and warm formable and tends to 475 °C.- embrittlement. After an operating time > 5000 h at 325 °C. and > 1000 h at 350 °C. the notch impact energy/strength may decrease to 50 % of the values of the standard. To the alloy acc. to DIN EN 10088-1 : 1995-08 applies: This material shows high resistance to stress corrosion. Good resistance to pitting and intercrystalline corrosion also in welded condition. The steel shows good general resistance in many corrosive media, such as organic and inorganic acids, resistance under acid gas conditions and good suitability for warm and cold forming as well as for welding. Application: chemical and petrochemical industry, for presure boiler, heat exchanger and pipes, in offshore technology.

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

12 - 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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Hardness, Brinell

20.0 °C

270 [-]

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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

650 - 1150 MPa

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Tensile strength, transverse

20.0 °C

640 - 950 MPa

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Yield strength Rp0.2

20.0 °C

450 - 650 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

460 - 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

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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