EN 10028-7 X2CrNiMoCuN25-6-3 Solution-Annealed Steel – Superior Corrosion Resistance & Mechanical Performance
The austenitic-ferritic steel X2CrNiMoCuN25-6-3 will be delivered in the solution annealed condition as cold rolled strip, hot rolled sheet and strip, wire rod and profiles. It shows resistance to intercrystalline corrosion even in sensitized condition.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.8 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 20.0 °C | 200 GPa | |
100.0 °C | 194 GPa | ||
200.0 °C | 186 GPa | ||
300.0 °C | 180 GPa | ||
Elongation | 20.0 °C | 20 - 25 % | |
Elongation A80 | 20.0 °C | 20 - 25 % | |
Elongation A80, transverse | 20.0 °C | 20 - 25 % | |
Elongation, transverse | 20.0 °C | 20 - 25 % | |
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 | 690 - 940 MPa | |
50.0 °C | 679 MPa | ||
100.0 °C | 660 MPa | ||
150.0 °C | 640 MPa | ||
200.0 °C | 620 MPa | ||
250.0 °C | 610 MPa | ||
Tensile strength, transverse | 20.0 °C | 690 - 940 MPa | |
Yield strength Rp0.2 | 50.0 °C | 475 MPa | |
100.0 °C | 450 MPa | ||
150.0 °C | 420 MPa | ||
200.0 °C | 400 MPa | ||
250.0 °C | 380 MPa | ||
Yield strength Rp0.2, transverse | 20.0 °C | 475 - 510 MPa | |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 1.3E-5 1/K | |
200.0 °C | 1.35E-5 1/K | ||
300.0 °C | 1.4E-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 | 8E-7 Ω·m |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.03 % |
Chromium | 24 - 26 % |
Copper | 1 - 2.5 % |
Manganese | 2 % |
Molybdenum | 2.7 - 4 % |
Nickel | 5.5 - 8 % |
Nitrogen | 0.15 - 0.3 % |
Phosphorus | 0.04 % |
Silicon | 0.7 % |
Sulfur | 0.015 % |
Metal
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