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EN 10250-4 Grade X6CrNiNb18-10 – Solution Annealed (+AT)

The make X6CrNiNb18-10 is comparable to X 6 CrNiNb 18 10 acc. to DIN 17440: 1985-07. Its corrosion properties are similar to 1.4541. The steel is resistant to intercrystalline corrosion also in sensitized condition. It shows a hot shortness tendency on certain welding conditions. Applicable in high amount for welded parts in chemical apparatus engineering, in food and luxury food industry, in film and photo industry as well as for household objects. The steel is unusable for mirror finishing due to the NB-content.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.9 - 7.93 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

206 GPa

20.0 °C

196 - 200 GPa

95.0 °C

194.43 GPa

100.0 °C

190 - 194 GPa

150.0 °C

189.61 GPa

200.0 °C

182 - 186 GPa

205.0 °C

184.78 GPa

260.0 °C

179.95 GPa

300.0 °C

174 - 179 GPa

315.0 °C

175.13 GPa

370.0 °C

170.99 GPa

400.0 °C

166 - 172 GPa

425.0 °C

166.16 GPa

485.0 °C

161.34 GPa

500.0 °C

158 - 165 GPa

540.0 °C

157.2 GPa

595.0 °C

151.69 GPa

600.0 °C

150 GPa

650.0 °C

147.54 GPa

700.0 °C

142 GPa

705.0 °C

142.72 GPa

760.0 °C

137.9 GPa

800.0 °C

134 GPa

815.0 °C

133.76 GPa

870.0 °C

128.93 GPa

900.0 °C

127 GPa

1000.0 °C

120 GPa

Elongation, transverse

20.0 °C

30 %

Poisson's ratio

20.0 °C

0.27 [-]

95.0 °C

0.28 [-]

150.0 °C

0.29 [-]

205.0 °C

0.29 [-]

260.0 °C

0.29 [-]

315.0 °C

0.3 [-]

370.0 °C

0.31 [-]

425.0 °C

0.31 [-]

485.0 °C

0.32 [-]

540.0 °C

0.33 [-]

595.0 °C

0.33 [-]

650.0 °C

0.32 [-]

705.0 °C

0.33 [-]

760.0 °C

0.35 [-]

815.0 °C

0.35 [-]

870.0 °C

0.36 [-]

Shear modulus

20.0 °C

78.6 GPa

95.0 °C

75.84 GPa

150.0 °C

73.77 GPa

205.0 °C

71.71 GPa

260.0 °C

69.64 GPa

315.0 °C

67.57 GPa

370.0 °C

65.5 GPa

425.0 °C

63.43 GPa

485.0 °C

61.36 GPa

540.0 °C

59.3 GPa

595.0 °C

57.23 GPa

650.0 °C

55.85 GPa

705.0 °C

53.78 GPa

760.0 °C

51.11 GPa

815.0 °C

49.64 GPa

870.0 °C

47.57 GPa

Tensile strength, transverse

20.0 °C

510 - 740 MPa

Yield strength Rp0.2

100.0 °C

177 MPa

150.0 °C

167 MPa

200.0 °C

157 MPa

250.0 °C

147 MPa

300.0 °C

136 MPa

350.0 °C

130 MPa

400.0 °C

125 MPa

450.0 °C

121 MPa

500.0 °C

119 MPa

550.0 °C

118 MPa

Yield strength Rp0.2, transverse

20.0 °C

205 MPa

Yield strength Rp1.0

100.0 °C

211 MPa

150.0 °C

196 MPa

200.0 °C

186 MPa

250.0 °C

177 MPa

300.0 °C

167 MPa

350.0 °C

161 MPa

400.0 °C

156 MPa

450.0 °C

152 MPa

500.0 °C

149 MPa

550.0 °C

147 MPa

Yield strength Rp1.0, transverse

20.0 °C

240 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

425.0 °C

1.76E-5 1/K

485.0 °C

1.78E-5 1/K

500.0 °C

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

540.0 °C

1.8E-5 1/K

595.0 °C

1.83E-5 1/K

600.0 °C

1.88E-5 1/K

650.0 °C

1.85E-5 1/K

700.0 °C

1.91E-5 1/K

705.0 °C

1.87E-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

14.3 - 15 W/(m·K)

100.0 °C

15.8 W/(m·K)

200.0 °C

17.5 W/(m·K)

300.0 °C

19 W/(m·K)

400.0 °C

20.5 W/(m·K)

500.0 °C

21.9 W/(m·K)

600.0 °C

23.3 W/(m·K)

700.0 °C

24.6 W/(m·K)

800.0 °C

26 W/(m·K)

900.0 °C

27.4 W/(m·K)

1000.0 °C

28.8 W/(m·K)

Thermal diffusivity

20.0 °C

3.8 mm²/s

100.0 °C

4 mm²/s

200.0 °C

4.2 mm²/s

300.0 °C

4.6 mm²/s

400.0 °C

4.8 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

5.6 mm²/s

900.0 °C

5.9 mm²/s

1000.0 °C

6 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.1E-7 Ω·m

100.0 °C

7.76E-7 Ω·m

200.0 °C

8.49E-7 Ω·m

300.0 °C

9.14E-7 Ω·m

400.0 °C

9.71E-7 Ω·m

500.0 °C

1.02E-6 Ω·m

600.0 °C

1.07E-6 Ω·m

700.0 °C

1.1E-6 Ω·m

800.0 °C

1.14E-6 Ω·m

900.0 °C

1.17E-6 Ω·m

1000.0 °C

1.19E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.08 %

Chromium

17 - 19 %

Manganese

2 %

Nickel

9 - 12 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.015 %


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