X2CrNiMoN25-7-4 Austenitic Steel – Solution Annealed, High-Performance Cold/Warm Rolled Strips, Sheets, and Profiles
The austenitic steel grade X2CrNiMoN25-7-4 is applicated in solution annealed condition in the form of cold rolled strip, warm rolled strip and warm rolled sheet as well as for 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 % |
Manganese | 2 % |
Molybdenum | 3 - 4.5 % |
Nickel | 6 - 8 % |
Nitrogen | 0.2 - 0.35 % |
Phosphorus | 0.04 % |
Silicon | 1 % |
Sulfur | 0.015 % |
Metal
- EN 10250-4 Grade X2CrNiMoN25-7-4: Solution-Annealed Steel for High-Performance Applications
- EN 10217-7 Grade X2CrNiMoN25-7-4 Solution-Annealed Steel (+AT) – High-Temperature Corrosion Resistance
- EN 10216-5 X2CrNiMoN25-7-4 Austenitic‑Ferritic Steel – Solution Annealed for Superior Corrosion Resistance
- 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
- EN 10272 Grade X2CrNiMoCuWN25-7-4 Solution-Annealed Steel – Superior Corrosion Resistance & High Strength
- X2CrNiMoN25-7-4 Solution-Annealed Stainless Steel – EN 10088‑1 Grade X2
- X2CrNiMoN25-7-4 (EN 10028-7) Solution‑Annealed Steel – Superior Corrosion Resistance & Versatile Formability
- 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