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EN 10028-7 X1CrNiMoCuN20-18-7 Solution‑Annealed Steel (AT) – Premium Corrosion Resistance

The austenitic steel X1CrNiMoCuN20-18-7 will be delivered solution annealed as cold rolled strip, hot rolled strip and sheet, bars, wire rod and profiles. It shows resistance to intercrystalline corrosion even 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 A80, transverse

20.0 °C

35 - 40 %

Elongation, transverse

20.0 °C

35 - 40 %

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

20.0 °C

650 - 850 MPa

50.0 °C

637 MPa

100.0 °C

615 MPa

150.0 °C

587 MPa

200.0 °C

560 MPa

250.0 °C

542 MPa

300.0 °C

525 MPa

350.0 °C

517 MPa

400.0 °C

510 MPa

450.0 °C

502 MPa

500.0 °C

495 MPa

Tensile strength, transverse

20.0 °C

650 - 850 MPa

Yield strength Rp0.2

50.0 °C

274 MPa

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 - 320 MPa

Yield strength Rp1.0

50.0 °C

314 MPa

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 - 350 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

PropertyTemperatureValue

Electrical resistivity

20.0 °C

8.5E-7 Ω·m

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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