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EN 10250-4 Grade X1CrNiMoCuN20-18-7 – Solution Annealed Stainless Steel for High-Performance Applications

The make X1CrNiMoCuN20-18-7 is applicated in solution annealed condition in the form of colled rolled band, warm rolled band and warm rolled sheet as well as in the form of bars, wire rod and profiles. The material is resistant to intercrystalline corrosion also in sensitized condition.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

8 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

195 GPa

100.0 °C

190 GPa

200.0 °C

182 GPa

300.0 °C

174 GPa

400.0 °C

166 GPa

500.0 °C

158 GPa

Elongation, transverse

20.0 °C

30 %

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Austenitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

Typical for Austenitic Stainless Steel

Tensile strength, transverse

20.0 °C

650 - 850 MPa

Yield strength Rp0.2

100.0 °C

230 MPa

150.0 °C

205 MPa

200.0 °C

190 MPa

250.0 °C

180 MPa

300.0 °C

170 MPa

350.0 °C

165 MPa

400.0 °C

160 MPa

450.0 °C

153 MPa

500.0 °C

148 MPa

Yield strength Rp0.2, transverse

20.0 °C

300 MPa

Yield strength Rp1.0

100.0 °C

270 MPa

150.0 °C

245 MPa

200.0 °C

225 MPa

250.0 °C

212 MPa

300.0 °C

200 MPa

350.0 °C

195 MPa

400.0 °C

190 MPa

450.0 °C

184 MPa

500.0 °C

180 MPa

Yield strength Rp1.0, transverse

20.0 °C

340 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.65E-5 1/K

200.0 °C

1.7E-5 1/K

300.0 °C

1.75E-5 1/K

400.0 °C

1.8E-5 1/K

500.0 °C

1.8E-5 1/K

Melting point

1230 - 1480 °C

Typical for Austenitic Stainless Steel

Specific heat capacity

20.0 °C

500 J/(kg·K)

Thermal conductivity

20.0 °C

14 W/(m·K)

Electrical

PropertyTemperatureValueComment

Electrical resistivity

23.0 °C

8.5E-7 Ω·m

Typical for Austenitic Stainless Steel

Chemical properties

PropertyValue

Carbon

0.02 %

Chromium

19.5 - 20.5 %

Copper

0.5 - 1 %

Manganese

1 %

Molybdenum

6 - 7 %

Nickel

17.5 - 18.5 %

Nitrogen

0.18 - 0.25 %

Phosphorus

0.03 %

Silicon

0.7 %

Sulfur

0.01 %


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