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EN 10250-4 X5CrNiMo17-12-2 Solution-Annealed (+AT) – Premium Austenitic Stainless Steel for Acid-Resistant Applications

Make X5CrNiMo17-12-2 is comparable to X 5 CrNiMo 17-12-2 acc. to DIN17440 : 1985-07. The material is an austenitic CrNiMo-steel of improved resistance to non-oxidizing acids and halogenated media, to intercrystalline corrosion, but only in delivery condition. It is usable for mirror finishing and cold formable. Application for acid resistant instruments in chemical and pharmaceutical industry, cellulose, rubber, coloring, fatty acid, textile and rayon industry, in petrochemical industry, for parts of medical and photographical supply, in sewages, for higher chloride-contents. In construction trade for construction parts of highest corrosion load, (e.g. masonry anchorage coupler in concrete, smokestacks, sanitary engineering, exterior facades, elevators). The Mo-alloyed rust-resistant steel is approved for construction parts of carrying function.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.96 - 8 g/cm³

22.0 °C

7.96 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

206 GPa

20.0 °C

196 - 200 GPa

22.0 °C

196.2 GPa

24.0 °C

193.1 - 197.9 GPa

100.0 °C

190 - 194 GPa

149.0 °C

184.8 - 190.3 GPa

200.0 °C

182 - 186 GPa

260.0 °C

182 - 182.7 GPa

300.0 °C

174 - 179 GPa

371.0 °C

174.4 - 179.3 GPa

400.0 °C

166 - 172 GPa

483.0 °C

163.4 - 165.5 GPa

500.0 °C

158 - 165 GPa

593.0 °C

153.4 - 157.9 GPa

600.0 °C

150 GPa

700.0 °C

142 GPa

704.0 °C

143.4 - 146.2 GPa

800.0 °C

134 GPa

816.0 °C

124.1 - 133.1 GPa

900.0 °C

127 GPa

1000.0 °C

120 GPa

Elongation, transverse

20.0 °C

30 %

Poisson's ratio

22.0 °C

0.29 [-]

24.0 °C

0.23 - 0.28 [-]

149.0 °C

0.24 - 0.28 [-]

260.0 °C

0.28 - 0.31 [-]

371.0 °C

0.33 - 0.36 [-]

483.0 °C

0.29 - 0.32 [-]

593.0 °C

0.32 [-]

704.0 °C

0.28 - 0.34 [-]

816.0 °C

0.22 - 0.27 [-]

Shear modulus

22.0 °C

75.8 GPa

24.0 °C

77.2 - 78.6 GPa

149.0 °C

74.5 GPa

260.0 °C

69.6 - 71 GPa

371.0 °C

64.1 - 67.6 GPa

483.0 °C

62.1 - 64.1 GPa

593.0 °C

57.9 - 60 GPa

704.0 °C

54.5 - 55.9 GPa

816.0 °C

51 - 52.4 GPa

Tensile strength, transverse

20.0 °C

500 - 700 MPa

Yield strength Rp0.2

100.0 °C

177 MPa

150.0 °C

162 MPa

200.0 °C

147 MPa

250.0 °C

137 MPa

300.0 °C

127 MPa

350.0 °C

120 MPa

400.0 °C

115 MPa

450.0 °C

112 MPa

500.0 °C

110 MPa

550.0 °C

108 MPa

Yield strength Rp0.2, transverse

20.0 °C

200 MPa

Yield strength Rp1.0

100.0 °C

211 MPa

150.0 °C

191 MPa

200.0 °C

177 MPa

250.0 °C

167 MPa

300.0 °C

156 MPa

350.0 °C

150 MPa

400.0 °C

144 MPa

450.0 °C

141 MPa

500.0 °C

139 MPa

550.0 °C

137 MPa

Yield strength Rp1.0, transverse

20.0 °C

235 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

0.07 %

Chromium

16.5 - 18.5 %

Manganese

2 %

Molybdenum

2 - 2.5 %

Nickel

10 - 13 %

Nitrogen

0.11 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.03 %


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