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EN 10250-4 X2CrNiMoN17-11-2 Solution-Annealed Steel for High-Performance Chemical Applications

The make X2CrNiMoN17-11-2 is comparable to X 2 CrNiMoN 17 12 2 acc. to DIN 17440 : 1985-07. The material is a fully austenitic steel showing higher strength and structure stability due to N-addition. It shows high resistance in oxidizing media. The interaction parameter (pitting index) is increased by N. Application in chemical apparatus engineering for pressure vessels, in cellulose, coloring, oil, soap and textile industry, in breweries and dairies. The steel is usable for mirror finishing and resistant to selective attack and especially in welded condition corrosion resistant. The material shows resistance to intercrystalline corrosion also in sensitized condition.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.96 - 8 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

206 GPa

20.0 °C

196 - 200 GPa

100.0 °C

190 - 194 GPa

200.0 °C

182 - 186 GPa

300.0 °C

174 - 179 GPa

400.0 °C

166 - 172 GPa

500.0 °C

158 - 165 GPa

600.0 °C

150 GPa

700.0 °C

142 GPa

800.0 °C

134 GPa

900.0 °C

127 GPa

1000.0 °C

120 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

580 - 800 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

128 MPa

550.0 °C

127 MPa

Yield strength Rp0.2, transverse

20.0 °C

280 MPa

Yield strength Rp1.0

100.0 °C

246 MPa

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

315 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.49E-5 1/K

20.0 °C

1.61E-5 1/K

100.0 °C

1.6E-5 - 1.67E-5 1/K

200.0 °C

1.65E-5 - 1.72E-5 1/K

300.0 °C

1.7E-5 - 1.77E-5 1/K

400.0 °C

1.75E-5 - 1.81E-5 1/K

500.0 °C

1.8E-5 - 1.84E-5 1/K

600.0 °C

1.88E-5 1/K

700.0 °C

1.91E-5 1/K

800.0 °C

1.94E-5 1/K

900.0 °C

1.97E-5 1/K

1000.0 °C

2E-5 1/K

Melting point

1230 - 1480 °C

Typical for Austenitic Stainless Steel

Specific heat capacity

-100.0 °C

440 J/(kg·K)

20.0 °C

472 - 500 J/(kg·K)

100.0 °C

487 J/(kg·K)

200.0 °C

503 J/(kg·K)

300.0 °C

512 J/(kg·K)

400.0 °C

520 J/(kg·K)

500.0 °C

530 J/(kg·K)

600.0 °C

541 J/(kg·K)

700.0 °C

551 J/(kg·K)

800.0 °C

559 J/(kg·K)

900.0 °C

565 J/(kg·K)

1000.0 °C

571 J/(kg·K)

Thermal conductivity

20.0 °C

13.3 - 15 W/(m·K)

100.0 °C

14.9 W/(m·K)

200.0 °C

16.5 W/(m·K)

300.0 °C

18.1 W/(m·K)

400.0 °C

19.5 W/(m·K)

500.0 °C

21 W/(m·K)

600.0 °C

22.4 W/(m·K)

700.0 °C

23.8 W/(m·K)

800.0 °C

25.2 W/(m·K)

Thermal diffusivity

20.0 °C

3.5 mm²/s

100.0 °C

3.8 mm²/s

200.0 °C

4 mm²/s

300.0 °C

4.3 mm²/s

400.0 °C

4.5 mm²/s

500.0 °C

4.7 mm²/s

600.0 °C

4.8 mm²/s

700.0 °C

5.1 mm²/s

800.0 °C

5.4 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.91E-7 Ω·m

100.0 °C

8.45E-7 Ω·m

200.0 °C

9.19E-7 Ω·m

300.0 °C

9.77E-7 Ω·m

400.0 °C

1.03E-6 Ω·m

500.0 °C

1.08E-6 Ω·m

600.0 °C

1.12E-6 Ω·m

700.0 °C

1.15E-6 Ω·m

800.0 °C

1.18E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.03 %

Chromium

16.5 - 18.5 %

Manganese

2 %

Molybdenum

2 - 2.5 %

Nickel

10 - 12 %

Nitrogen

0.12 - 0.22 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.03 %


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