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SEW 400 X4CrNiMoN27-5-2 Quenched Steel: High Performance & Corrosion Resistance

Properties: - ferritic-austenitic - possesses small sensitivity to crack corrosion - exhibits better general corrosion resistance as 1.4362 - is better cutting machinably than austenites - high abrasion resistance and good runnability - high polishable - application temperature -60 to 350 °C Application: - for axis of acid pumps and for sea water-loaded machine elements - in acetic acid, photo, cellulose and dyeing industry

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.8 - 7.82 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

200 - 212 GPa

100.0 °C

194 - 206 GPa

200.0 °C

186 GPa

300.0 °C

180 GPa

Elongation

20.0 °C

20 %

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Duplex Stainless Steel

Shear modulus

23.0 °C

77 GPa

Typical for Duplex Stainless Steel

Tensile strength

20.0 °C

600 - 800 MPa

Yield strength Rp0.2

20.0 °C

450 MPa

50.0 °C

400 MPa

100.0 °C

360 MPa

150.0 °C

335 MPa

200.0 °C

310 MPa

250.0 °C

295 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

100.0 °C

1.2E-5 - 1.33E-5 1/K

200.0 °C

1.25E-5 1/K

300.0 °C

1.3E-5 1/K

Max service temperature

300 °C

Typical for Duplex Stainless Steel

Max service temperature, long

-60 - 350 °C

Melting point

1375 - 1450 °C

Typical for Duplex Stainless Steel

Specific heat capacity

20.0 °C

450 J/(kg·K)

Thermal conductivity

20.0 °C

13.4 - 15 W/(m·K)

100.0 °C

14.9 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.85E-7 - 8E-7 Ω·m

100.0 °C

8.44E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.05 %

Chromium

25 - 28 %

Manganese

2 %

Molybdenum

1.3 - 2 %

Nickel

4.5 - 6 %

Nitrogen

0.05 - 0.2 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.03 %


Metal

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