EN 10088-1 Grade X2CrNiN23-4 solution annealed (+AT)

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Description

The patented steel X2CrNiN23-4 (acc. to VdTÜV-material specification 496 : 2001-09: X 2 CrNiN 23 4), material number 1.4362 is acc. to VdTÜV-Wbl 496 : 2001-09 used for pressure vessels as per TRB 100 and AD-data sheets W 2 and W 10 for pipelines and pipeline components acc. to TRR, TRbF and TRGL, for pressure gas tanks as per TRG each from -40 to 280 °C. For application in nuclear power engineering are required individual certificates or additional expertises as far as this is stated in nuclear rules or object-related specifications. The steel is suitable for pressure devices acc. to EG-Directive 97/23/EG (allowing for paragraph 4 appendix I). Welding suitability of the steel is examined allowing for generally accepted engineering rules for the following welding methods: metal inert gas welding, metal arc welding and submerged welding. The working temperature during the welding shouldnt exceed 120 degrees. An heat-treating afte the welding isnt necessary. This material is cold and warm formable. X2CrNiN23-4 tends to 475 °C.-embrittlement. Short-term overstepping of the upper application temperature limit of 280 °C. to max. 300 °C. is allowable. After an running time of over 5000 h at 300 degrees an decrease of the notch impact energy is possible. The material is well resistant to stress corrosion and intercrystalline corrosion (also in sensitized condition). Well resistant to general corrosion and pitting corrosion. To the material acc. to DIN EN 10088 : 1995-08 applies: X2CrNiN23-4 is a stainless duplex steel with high strength and hardness. Application for leightweight constructions with longer durability and higher reliability, such as heat exchanger and pipelines in chloride containing media, hydraulic pipes, feeder water pre-heater, agitator shafts, steam heating systems. The material may be used acc. to DIN EN 10095 : 1999-05 as heat resistant steel.

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, 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

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 - 1050 MPa

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Tensile strength, transverse

20.0 °C

630 - 850 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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Yield strength Rp0.2, transverse

20.0 °C

400 - 450 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

-40 - 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

22 - 24.5 %

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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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