SEW 410 Grade G-X8CrNi26-7 – High Toughness Duplex Stainless Steel, Quenched (+Q)
G-X 8 CrNiN 26 7, for high toughness demanded components, like casings for gate valves and pumps, pressing screws und -spindles sockets, components for hydrofoils.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.7 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 200 GPa | Typical for Duplex Stainless Steel |
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 | 590 - 790 MPa | |
Yield strength Rp0.2 | 20.0 °C | 420 MPa | |
100.0 °C | 260 MPa | ||
200.0 °C | 240 MPa | ||
300.0 °C | 210 MPa | ||
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 1.25E-5 1/K | |
200.0 °C | 1.35E-5 1/K | ||
300.0 °C | 1.45E-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 | 500 J/(kg·K) | |
Thermal conductivity | 20.0 °C | 15 W/(m·K) | |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 8.1E-7 Ω·m |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.08 % |
Chromium | 25 - 27 % |
Manganese | 1.5 % |
Nickel | 5.5 - 7.5 % |
Nitrogen | 0.1 - 0.2 % |
Phosphorus | 0.04 % |
Silicon | 1.5 % |
Sulfur | 0.02 % |
Metal
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