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SEW 400 Grade X1CrNiMoTi18-13-2 – High-Performance Quenched Stainless Steel for Elevated Temperature Applications

Properties: - modification of 1.4571 - stainless extra low carbon-steel (ELC) - resistant to intergranular attack up to 550 °C Application: - for steel chimney

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.77 - 8 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

206 GPa

20.0 °C

196 - 200 GPa

24.0 °C

193.7 GPa

100.0 °C

190 - 195 GPa

200.0 °C

182 - 185 GPa

300.0 °C

174 - 180 GPa

400.0 °C

166 GPa

500.0 °C

158 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

20.0 °C

40 %

Elongation A80

20.0 °C

35 %

Poisson's ratio

24.0 °C

0.23 - 0.24 [-]

Shear modulus

24.0 °C

74.5 - 77.9 GPa

Tensile strength

20.0 °C

490 - 690 MPa

Yield strength Rp0.2

20.0 °C

190 MPa

50.0 °C

182 MPa

100.0 °C

166 MPa

150.0 °C

152 MPa

200.0 °C

137 MPa

250.0 °C

127 MPa

300.0 °C

118 MPa

350.0 °C

113 MPa

400.0 °C

108 MPa

450.0 °C

103 MPa

500.0 °C

100 MPa

550.0 °C

98 MPa

Yield strength Rp1.0

20.0 °C

225 MPa

50.0 °C

217 MPa

100.0 °C

199 MPa

150.0 °C

181 MPa

200.0 °C

167 MPa

250.0 °C

157 MPa

300.0 °C

145 MPa

350.0 °C

139 MPa

400.0 °C

135 MPa

450.0 °C

130 MPa

500.0 °C

128 MPa

550.0 °C

127 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

1.67E-5 - 1.7E-5 1/K

200.0 °C

1.72E-5 - 1.75E-5 1/K

300.0 °C

1.77E-5 - 1.8E-5 1/K

400.0 °C

1.81E-5 1/K

500.0 °C

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

440 - 472 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

12 - 15 W/(m·K)

100.0 °C

14.1 W/(m·K)

200.0 °C

15.9 W/(m·K)

300.0 °C

17.4 W/(m·K)

400.0 °C

19 W/(m·K)

500.0 °C

20.5 W/(m·K)

600.0 °C

21.9 W/(m·K)

700.0 °C

23.3 W/(m·K)

800.0 °C

24.7 W/(m·K)

900.0 °C

26.1 W/(m·K)

1000.0 °C

27.5 W/(m·K)

Thermal diffusivity

20.0 °C

3.4 mm²/s

100.0 °C

3.6 mm²/s

200.0 °C

3.9 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

5.5 mm²/s

900.0 °C

5.8 mm²/s

1000.0 °C

5.9 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

8.68E-7 - 1E-6 Ω·m

100.0 °C

9.21E-7 Ω·m

200.0 °C

9.75E-7 Ω·m

300.0 °C

1.03E-6 Ω·m

400.0 °C

1.08E-6 Ω·m

500.0 °C

1.12E-6 Ω·m

600.0 °C

1.15E-6 Ω·m

700.0 °C

1.18E-6 Ω·m

800.0 °C

1.21E-6 Ω·m

900.0 °C

1.24E-6 Ω·m

1000.0 °C

1.26E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.02 %

Chromium

17 - 18.5 %

Manganese

2 %

Molybdenum

2 - 2.5 %

Nickel

11.5 - 13.5 %

Phosphorus

0.04 %

Silicon

0.5 %

Sulfur

0.015 %

Titanium

0.4 - 0.6 %


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