EN 10272 Grade X2CrNiMoCuWN25-7-4 Solution-Annealed Steel – Superior Corrosion Resistance & High Strength
The austenitic-ferritic material X2CrNiMoCuWN25-7-4 is applicated in solution annealed condition in the form of warm rolled sheet, rods, wire rods and profiles. The material 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 | |
100.0 °C | 680 MPa | ||
150.0 °C | 660 MPa | ||
200.0 °C | 640 MPa | ||
250.0 °C | 630 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 | ||
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
- 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 10272 X2CrNiN23-4 Duplex Steel – Solution Annealed (+AT) – High Strength, Corrosion Resistance
- X2CrNiMoCuN25-6-3 Austenitic Steel – EN 10272 Grade, Solution Annealed + AT for Pressure Vessel Rods
- X2CrNiMoN25-7-4 Austenitic Steel – Solution Annealed, High-Performance Cold/Warm Rolled Strips, Sheets, and Profiles
- EN 10088-1 X2CrNiMoCuWN25-7-4: Solution‑Annealed Alloy for Superior Corrosion Resistance
- EN 10028‑7 Grade X2CrNiMoCuWN25‑7‑4 – Solution Annealed Austenitic‑Ferritic Stainless Steel
- EN 10272 Grade X2CrNi18-9 (Solution Annealed) – Corrosion‑Resistant Steel for Pressure Vessels
- X2CrNiMo17-12-3 Solution-Annealed Steel (EN 10272) – High-Performance Pressure Vessel Grade