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EN 10088-1 Grade X2CrNiMoN18-12-4: High-Performance Solution-Annealed Stainless Steel (+AT)

The austenitic material X2CrNiMo18-12-4 is used in solution annealed condition in the form of cold rolled strip, warm rolled strip and warm rolled sheet. It 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

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

20 - 35 %

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

800 - 1100 MPa

Tensile strength, transverse

20.0 °C

540 - 770 MPa

Yield strength Rp0.2

100.0 °C

211 MPa

150.0 °C

185 MPa

200.0 °C

167 MPa

250.0 °C

155 MPa

300.0 °C

145 MPa

350.0 °C

140 MPa

400.0 °C

135 MPa

450.0 °C

131 MPa

500.0 °C

129 MPa

550.0 °C

127 MPa

Yield strength Rp0.2, transverse

20.0 °C

270 - 290 MPa

Yield strength Rp1.0

150.0 °C

218 MPa

200.0 °C

198 MPa

250.0 °C

183 MPa

300.0 °C

175 MPa

350.0 °C

169 MPa

400.0 °C

164 MPa

450.0 °C

160 MPa

500.0 °C

158 MPa

550.0 °C

157 MPa

Yield strength Rp1.0, transverse

20.0 °C

310 - 320 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

1.75E-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

7.5E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.03 %

Chromium

16.5 - 19.5 %

Manganese

2 %

Molybdenum

3 - 4 %

Nickel

10.5 - 14 %

Nitrogen

0.1 - 0.2 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.015 %


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