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EN 10269 X2CrNi18-9 Stainless Steel – Solution Annealed with Post-Annealing Treatment

The austenitc steel X2CrNi18-9 is available in solution annealed condition in the form of cold rolled strip, warm rolled strip and warm rolled sheet. The material is resistant to intercrystalline corrosion also in welded condition. Further application for mounting elements at increased and lower temperatures.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.9 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

200 GPa

100.0 °C

194 GPa

200.0 °C

186 GPa

300.0 °C

179 GPa

400.0 °C

172 GPa

500.0 °C

165 GPa

Elongation

20.0 °C

45 %

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

450 - 680 MPa

50.0 °C

440 MPa

100.0 °C

410 MPa

150.0 °C

380 MPa

200.0 °C

360 MPa

250.0 °C

350 MPa

300.0 °C

340 MPa

350.0 °C

340 MPa

400.0 °C

330 MPa

Yield strength Rp0.2

20.0 °C

175 MPa

50.0 °C

164 MPa

100.0 °C

145 MPa

150.0 °C

130 MPa

200.0 °C

118 MPa

250.0 °C

108 MPa

300.0 °C

100 MPa

350.0 °C

94 MPa

400.0 °C

89 MPa

450.0 °C

85 MPa

500.0 °C

81 MPa

550.0 °C

80 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.6E-5 1/K

200.0 °C

1.65E-5 1/K

300.0 °C

1.7E-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

15 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.3E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.03 %

Chromium

17.5 - 19.5 %

Manganese

2 %

Nickel

8 - 10 %

Nitrogen

0.1 - 0.11 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.015 - 0.03 %


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