EN 10088-1 X2CrNiMoCuWN25-7-4: Solution‑Annealed Alloy for Superior Corrosion Resistance
The austenitic-ferritic material X2CrNiMoCuWN25-7-4 is used in solution annealed condition in the form of warm rolled sheet, rods, wire rod and profiles. It is resistant to intercrystalline corrosion also 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 | 25 % | |
Hardness, Brinell | 20.0 °C | 290 [-] | |
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 | 730 - 930 MPa | |
Tensile strength, transverse | 20.0 °C | 730 - 930 MPa | |
Yield strength Rp0.2 | 20.0 °C | 530 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 | 530 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 | 0.5 - 1 % |
Manganese | 1 % |
Molybdenum | 3 - 4 % |
Nickel | 6 - 8 % |
Nitrogen | 0.2 - 0.3 % |
Phosphorus | 0.04 % |
Silicon | 1 % |
Sulfur | 0.015 % |
Tungsten | 0.5 - 1 % |
Metal
- EN 10250-4 Grade X2CrNiMoCuWN25-7-4 – Solution Annealed for High-Performance Applications
- Grade X3CrNiCuMo17-11-3-2 Austenitic Steel – EN 10088-1, Solution Annealed + AT
- EN 10217-7 Grade X2CrNiMoCuWN25-7-4 – Solution Annealed Steel for Corrosion‑Resistant Tubes
- EN 10216-5 Grade X2CrNiMoCuWN25-7-4 – Solution Annealed (Plus AT) – Premium Austenitic‑Ferritic Alloy
- EN 10088-1 X3CrNiCu19-9-2 Austenitic Steel – Solution Annealed for Superior Corrosion Resistance
- EN 10088-1 X6CrNiCuS18-9-2 – Solution Annealed Austenitic Steel for Rods & Wire Rods
- EN 10088-1 Grade X7CrNiAl17-7: Solution-Annealed Stainless Steel with Enhanced Performance
- EN 10272 Grade X2CrNiMoCuWN25-7-4 Solution-Annealed Steel – Superior Corrosion Resistance & High Strength
- EN 10088-1 Grade X3CrNiMoN27-5-2: Solution‑Annealed (AT) – High‑Performance Ferritic Austenitic Steel
- EN 10088‑1 X3CrNiCu18‑9‑4 Austenitic Stainless Steel – Solution Annealed & AT Certified