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EN 10250-4 Grade X5CrNi18-10 Solution-Annealed Steel (+AT) – Premium Corrosion-Resistant Austenitic Alloy

The standard type of austenitic CrNi-steels X5CrNi18-10, comparable to X 5 CrNi 18 10 acc. to DIN 17440 : 1985-07 shows high corrosion resistance but no resistance to intercrystalline corrosion in sensitized condition. It is resistant in delivery condition. The steel shows a high workability, it is usable for mirror finishing and ideal for cold forming. Application for welded parts in chemical apparatus engineering, food and milk industry, for household appliances, in breweries, in architecture and vehicle manufacturing as well as for pumps, compressors, instruments. Further application in water and slightly contaminated sewages. In construction trade for decorative purposes in interior and exterior architecture applicated, e.g. roof and wall components, facings, washing facilities, wash basins in toilets, for doors and windows. The material is approved for construction parts of carrying function.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.9 - 7.92 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

206 GPa

20.0 °C

196 - 200 GPa

24.0 °C

194.4 - 196.5 GPa

100.0 °C

190 - 194 GPa

149.0 °C

188.2 - 189.6 GPa

200.0 °C

182 - 186 GPa

260.0 °C

182.7 - 184.1 GPa

300.0 °C

174 - 179 GPa

371.0 °C

173.1 - 177.9 GPa

400.0 °C

166 - 172 GPa

483.0 °C

157.9 - 160 GPa

500.0 °C

158 - 165 GPa

593.0 °C

149.6 - 155.8 GPa

600.0 °C

150 GPa

700.0 °C

142 GPa

704.0 °C

137.9 - 144.8 GPa

800.0 °C

134 GPa

816.0 °C

120.7 - 128.2 GPa

Elongation, transverse

20.0 °C

35 %

Poisson's ratio

20.0 °C

0.28 [-]

24.0 °C

0.24 - 0.25 [-]

149.0 °C

0.27 - 0.3 [-]

260.0 °C

0.29 - 0.32 [-]

371.0 °C

0.32 [-]

483.0 °C

0.27 - 0.29 [-]

593.0 °C

0.29 - 0.3 [-]

704.0 °C

0.27 - 0.3 [-]

816.0 °C

0.23 - 0.27 [-]

Shear modulus

24.0 °C

78.6 GPa

149.0 °C

72.4 - 74.5 GPa

260.0 °C

69.6 - 71 GPa

371.0 °C

65.5 - 67.6 GPa

483.0 °C

62.1 GPa

593.0 °C

57.9 - 60 GPa

704.0 °C

54.5 - 55.9 GPa

816.0 °C

49 - 50.3 GPa

Tensile strength, transverse

20.0 °C

500 - 700 MPa

Yield strength Rp0.2

100.0 °C

157 MPa

150.0 °C

142 MPa

200.0 °C

127 MPa

250.0 °C

118 MPa

300.0 °C

110 MPa

350.0 °C

104 MPa

400.0 °C

98 MPa

450.0 °C

95 MPa

500.0 °C

92 MPa

550.0 °C

90 MPa

Yield strength Rp0.2, transverse

20.0 °C

190 MPa

Yield strength Rp1.0

100.0 °C

191 MPa

150.0 °C

172 MPa

200.0 °C

157 MPa

250.0 °C

145 MPa

300.0 °C

135 MPa

350.0 °C

129 MPa

400.0 °C

125 MPa

450.0 °C

122 MPa

500.0 °C

120 MPa

550.0 °C

120 MPa

Yield strength Rp1.0, transverse

20.0 °C

225 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

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)

Thermal conductivity

-100.0 °C

11.7 W/(m·K)

20.0 °C

14.5 - 15 W/(m·K)

100.0 °C

16 W/(m·K)

200.0 °C

17.6 W/(m·K)

300.0 °C

19.1 W/(m·K)

400.0 °C

20.4 W/(m·K)

500.0 °C

21.9 W/(m·K)

600.0 °C

23.3 W/(m·K)

700.0 °C

24.7 W/(m·K)

800.0 °C

26.1 W/(m·K)

Thermal diffusivity

-100.0 °C

3.7 mm²/s

20.0 °C

3.9 mm²/s

100.0 °C

4.3 mm²/s

200.0 °C

4.3 mm²/s

300.0 °C

4.6 mm²/s

400.0 °C

4.7 mm²/s

500.0 °C

4.9 mm²/s

600.0 °C

5 mm²/s

700.0 °C

5.3 mm²/s

800.0 °C

5.7 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

-100.0 °C

5.86E-7 Ω·m

20.0 °C

6.92E-7 Ω·m

100.0 °C

7.58E-7 Ω·m

200.0 °C

8.36E-7 Ω·m

300.0 °C

9.07E-7 Ω·m

400.0 °C

9.73E-7 Ω·m

500.0 °C

1.02E-6 Ω·m

600.0 °C

1.06E-6 Ω·m

700.0 °C

1.1E-6 Ω·m

800.0 °C

1.13E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.07 %

Chromium

17 - 19.5 %

Manganese

2 %

Nickel

8 - 10.5 %

Nitrogen

0.11 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.03 %


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