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EN 10088-1 X5CrNiMo17-12-2: Strain-Hardened Austenitic Steel for Chemical & Petrochemical Applications

Material X5CrNiMo17-12-2 is comparable to X 5 CrNiMo 17-12-2 acc. to DIN17440 : 1985-07. This material is an austenitic CrNiMo-steel with increased resistance to non oxidizing acids and halogenated media but to intercrystalline corrosion only in delivery condition. It is suitable for mirror finishing and well cold formable. Application for acid resistant apparatus in chemical and pharmaceutical industry, in cellulose, rubber, color, fatty acid, textile and rayon industry, petrochemistry, for medical and photographic goods, in sewage plants, for higher chloride contents. X5CrNiMo17-12-2 is used in construction trade for components of highest corrosion loading, e.g. masonry anchorages in concrete, smokestacks, sanitary engineering, wall covering, lifts. The Mo-alloyed stainless steel is permitted for load-bearing components.

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

20.0 °C

20 %

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

20.0 °C

700 - 900 MPa

Yield strength Rp0.2

20.0 °C

350 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

7.5E-7 - 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

0.015 %


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