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SEW 400 X3CrNiMoTi25-25 Quenched Steel – High Corrosion Resistance for Chemical & Textile Industries

Properties: - due to the high chrmomium and molybdenum content (approx. 2,2 %), good resistance to pitting corrosion and intergranular corrosion under that of 1.4465 - by the nickel-content results a better resistance to crack corrosion as the normal austenites Application: - for apparatuses and construction units of the chemical industry, textile industry - cellulose production, in dye industry, photo, pigment, synthetic resin and rubber industry

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.76 - 8 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

-100.0 °C

206 GPa

20.0 °C

190 - 198 GPa

100.0 °C

186 - 193 GPa

200.0 °C

177 - 183 GPa

300.0 °C

170 - 175 GPa

400.0 °C

165 - 172 GPa

500.0 °C

158 - 159 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

30 - 40 %

Elongation, transverse

20.0 °C

30 - 40 %

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Steel

Tensile strength

20.0 °C

490 - 740 MPa

Tensile strength, transverse

20.0 °C

490 - 740 MPa

Yield strength Rp0.2

20.0 °C

205 MPa

50.0 °C

195 MPa

100.0 °C

175 MPa

150.0 °C

160 MPa

200.0 °C

145 MPa

250.0 °C

135 MPa

300.0 °C

130 MPa

350.0 °C

125 MPa

400.0 °C

120 MPa

Yield strength Rp0.2, transverse

20.0 °C

205 MPa

Yield strength Rp1.0

20.0 °C

245 MPa

50.0 °C

230 MPa

100.0 °C

205 MPa

150.0 °C

190 MPa

200.0 °C

175 MPa

250.0 °C

165 MPa

300.0 °C

155 MPa

350.0 °C

150 MPa

400.0 °C

145 MPa

Yield strength Rp1.0, transverse

20.0 °C

245 MPa

Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

-100.0 °C

1.49E-5 1/K

20.0 °C

1.61E-5 1/K

100.0 °C

1.45E-5 - 1.67E-5 1/K

200.0 °C

1.55E-5 - 1.72E-5 1/K

300.0 °C

1.63E-5 - 1.77E-5 1/K

400.0 °C

1.68E-5 - 1.81E-5 1/K

500.0 °C

1.72E-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

Specific heat capacity

-100.0 °C

440 J/(kg·K)

20.0 °C

450 - 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

11.9 - 12 W/(m·K)

100.0 °C

13.3 W/(m·K)

200.0 °C

15.1 W/(m·K)

300.0 °C

16.7 W/(m·K)

400.0 °C

18.3 W/(m·K)

500.0 °C

19.8 W/(m·K)

600.0 °C

21.3 W/(m·K)

700.0 °C

22.8 W/(m·K)

800.0 °C

24.3 W/(m·K)

900.0 °C

25.7 W/(m·K)

1000.0 °C

27.1 W/(m·K)

Thermal diffusivity

20.0 °C

3.3 mm²/s

100.0 °C

3.4 mm²/s

200.0 °C

3.7 mm²/s

300.0 °C

4.1 mm²/s

400.0 °C

4.3 mm²/s

500.0 °C

4.5 mm²/s

600.0 °C

4.7 mm²/s

700.0 °C

5 mm²/s

800.0 °C

5.4 mm²/s

900.0 °C

5.7 mm²/s

1000.0 °C

5.8 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

9.59E-7 - 1E-6 Ω·m

100.0 °C

1.01E-6 Ω·m

200.0 °C

1.05E-6 Ω·m

300.0 °C

1.1E-6 Ω·m

400.0 °C

1.13E-6 Ω·m

500.0 °C

1.17E-6 Ω·m

600.0 °C

1.19E-6 Ω·m

700.0 °C

1.22E-6 Ω·m

800.0 °C

1.24E-6 Ω·m

900.0 °C

1.26E-6 Ω·m

1000.0 °C

1.28E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.04 %

Chromium

24 - 26 %

Manganese

2 %

Molybdenum

2 - 2.5 %

Nickel

24 - 26 %

Phosphorus

0.03 %

Silicon

0.5 %

Sulfur

0.015 %


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