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EN 10088-1 Grade X2CrNi12: High-Performance Quenched and Tempered Ferritic Steel

Material X2CrNi12 (former: X 2 Cr 11) is also contained in SEW 400 : 1997-02 (here for tempered condition, in DIN EN 10088 for annealed condition). This material is a ferritic steel showing considerably higher corrosion resistance than general construction steels. It is more cost-efficient than high-alloyed stainless steels. Its corrosion resistance is comparable to 13 per cent Cr-steels. X2CrNi12 is unsuitable for higher corrosion loading. The steel shows high static and dynamic strength values, ease of processing as well as sufficient corrosion resistance and good abrasion resistance. Application in traffic/transport, in agricultural and conveyor technology as well as in building industry for scaffolds or facade elements. No resistance to intercrystalline corrosion both in delivery and welded condition.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.7 - 7.77 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

211.67 - 220 GPa

100.0 °C

213 - 215 GPa

200.0 °C

206 - 210 GPa

300.0 °C

198 - 205 GPa

400.0 °C

190 - 195 GPa

500.0 °C

180 GPa

600.0 °C

167 GPa

700.0 °C

150 GPa

Elongation

20.0 °C

16 %

Elongation A80, transverse

20.0 °C

20 %

Hardness, Brinell

20.0 °C

200 - 250 [-]

Poisson's ratio

20.0 °C

0.3 [-]

Shear modulus

20.0 °C

81.7 GPa

Tensile strength

20.0 °C

600 - 800 MPa

Tensile strength, transverse

20.0 °C

450 - 650 MPa

Yield strength Rp0.2

20.0 °C

450 MPa

50.0 °C

430 MPa

100.0 °C

400 MPa

150.0 °C

370 MPa

200.0 °C

350 MPa

250.0 °C

335 MPa

300.0 °C

320 MPa

Yield strength Rp0.2, transverse

20.0 °C

320 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1E-5 1/K

20.0 °C

1.08E-5 1/K

100.0 °C

1.04E-5 - 1.13E-5 1/K

200.0 °C

1.08E-5 - 1.18E-5 1/K

300.0 °C

1.12E-5 - 1.23E-5 1/K

400.0 °C

1.16E-5 - 1.27E-5 1/K

500.0 °C

1.19E-5 - 1.3E-5 1/K

600.0 °C

1.32E-5 1/K

700.0 °C

1.33E-5 1/K

Melting point

1425 - 1530 °C

Typical for Ferritic Stainless Steel

Specific heat capacity

20.0 °C

429 - 430 J/(kg·K)

100.0 °C

464 J/(kg·K)

200.0 °C

492 J/(kg·K)

300.0 °C

511 J/(kg·K)

400.0 °C

531 J/(kg·K)

500.0 °C

554 J/(kg·K)

600.0 °C

585 J/(kg·K)

700.0 °C

626 J/(kg·K)

Thermal conductivity

20.0 °C

20.7 - 25 W/(m·K)

100.0 °C

22.6 W/(m·K)

200.0 °C

24.4 W/(m·K)

300.0 °C

25.8 W/(m·K)

400.0 °C

26.9 W/(m·K)

500.0 °C

27.8 W/(m·K)

600.0 °C

28.5 W/(m·K)

700.0 °C

28.8 W/(m·K)

Thermal diffusivity

20.0 °C

6.2 mm²/s

100.0 °C

5.9 mm²/s

200.0 °C

6 mm²/s

300.0 °C

6 mm²/s

400.0 °C

5.7 mm²/s

500.0 °C

5.4 mm²/s

600.0 °C

4.8 mm²/s

700.0 °C

4 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

5.03E-7 - 6E-7 Ω·m

100.0 °C

5.67E-7 Ω·m

200.0 °C

6.47E-7 Ω·m

300.0 °C

7.27E-7 Ω·m

400.0 °C

8.09E-7 Ω·m

500.0 °C

8.9E-7 Ω·m

600.0 °C

9.72E-7 Ω·m

700.0 °C

1.06E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.03 %

Chromium

10.5 - 12.5 %

Manganese

1.5 %

Nickel

0.3 - 1 %

Nitrogen

0.03 %

Phosphorus

0.04 %

Silicon

1 %

Sulfur

0.015 %


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