SEW 400 Duplex Stainless Steel (X2CrNiN23-4) – Quenched for Superior Strength and Corrosion Resistance
Properties: - stainless duplex-steel with elevated strength and hardness - very good resistance to general corrosion, pitting and crack corrosion Application: - for components in light construction with higher durability and higher reliability - for heat exchanger and pipelines in media with chloride, pipes for hydraulic, water preheater, rabble axis
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General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.8 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
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 | 25 % | |
Elongation, transverse | 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 - 820 MPa | |
Tensile strength, transverse | 20.0 °C | 600 - 820 MPa | |
Yield strength Rp0.2 | 20.0 °C | 400 MPa | |
50.0 °C | 370 MPa | ||
100.0 °C | 330 MPa | ||
150.0 °C | 310 MPa | ||
200.0 °C | 290 MPa | ||
250.0 °C | 280 MPa | ||
Yield strength Rp0.2, transverse | 20.0 °C | 400 MPa | |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
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 | |
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
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 7.85E-7 - 8E-7 Ω·m |
100.0 °C | 8.44E-7 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.03 % |
Chromium | 21.5 - 24.5 % |
Manganese | 2.5 % |
Molybdenum | 0.6 % |
Nickel | 3 - 5.5 % |
Nitrogen | 0.05 - 0.2 % |
Phosphorus | 0.04 % |
Silicon | 1 % |
Sulfur | 0.015 % |
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