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EN 10028-7 X2CrNi18-9: High-Performance Solution-Annealed Steel

The austenitic steel X2CrNi18-9 will be delivered in the solution annealed condition as cold rolled strip and hot rolled strip and sheet. It shows resistance to intercrystalline corrosion even in sensitized (welded) condition. Application: whiteware, foodstuff industry, chemical industry, container and pressure vessel

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

-196.0 °C

30 %

-150.0 °C

30 %

-80.0 °C

35 %

20.0 °C

45 %

Elongation A80, transverse

20.0 °C

45 %

Elongation, transverse

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

-196.0 °C

1200 MPa

-150.0 °C

1070 MPa

-80.0 °C

830 MPa

20.0 °C

500 - 700 MPa

50.0 °C

466 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

Tensile strength, transverse

20.0 °C

500 - 700 MPa

Yield strength Rp0.2

-196.0 °C

300 MPa

-150.0 °C

225 MPa

-80.0 °C

220 MPa

20.0 °C

200 MPa

50.0 °C

180 MPa

100.0 °C

147 MPa

150.0 °C

132 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

Yield strength Rp0.2, transverse

20.0 °C

200 - 220 MPa

Yield strength Rp1.0

-196.0 °C

400 MPa

-150.0 °C

325 MPa

-80.0 °C

290 MPa

20.0 °C

240 MPa

50.0 °C

218 MPa

100.0 °C

181 MPa

150.0 °C

162 MPa

200.0 °C

147 MPa

250.0 °C

137 MPa

300.0 °C

127 MPa

350.0 °C

121 MPa

400.0 °C

116 MPa

450.0 °C

112 MPa

500.0 °C

109 MPa

550.0 °C

108 MPa

Yield strength Rp1.0, transverse

20.0 °C

240 - 250 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 - 10.5 %

Nitrogen

0.1 - 0.11 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.015 %


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