EN 10216-5 X2CrNiMoSi18-5-3 Solution-Annealed Stainless Steel – High-Performance Grade for Pressurized Tubes
The austenitic-ferritic coorrosion resistant steel X2CrNiMoSi18-5-3 (1.4424) is used for pressurised tubes.
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 | 30 % | |
Poisson's ratio | 23.0 °C | 0.3 [-] | Typical for Austenitic Stainless Steel |
Shear modulus | 23.0 °C | 77 GPa | Typical for Austenitic Stainless Steel |
Tensile strength | 20.0 °C | 700 - 900 MPa | |
Yield strength Rp0.2 | 20.0 °C | 480 MPa | |
50.0 °C | 430 MPa | ||
100.0 °C | 370 MPa | ||
150.0 °C | 350 MPa | ||
200.0 °C | 330 MPa | ||
250.0 °C | 325 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 | ||
Melting point | 1230 - 1480 °C | Typical for Austenitic Stainless Steel | |
Specific heat capacity | 20.0 °C | 475 J/(kg·K) | |
Thermal conductivity | 20.0 °C | 13 W/(m·K) | |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 8E-7 Ω·m |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.03 % |
Chromium | 18 - 19 % |
Manganese | 1.2 - 2 % |
Molybdenum | 2.5 - 3 % |
Nickel | 4.5 - 5.2 % |
Nitrogen | 0.05 - 0.1 % |
Phosphorus | 0.04 % |
Silicon | 1.4 - 2 % |
Sulfur | 0.015 % |
Metal
- EN 10216-5 Grade X2CrNiMoCuWN25-7-4 – Solution Annealed (Plus AT) – Premium Austenitic‑Ferritic Alloy
- EN 10216-5 X2CrNiMoN25-7-4 Austenitic‑Ferritic Steel – Solution Annealed for Superior Corrosion Resistance
- EN 10216-5 X3CrNiN18-11: Solution-Annealed Austenitic Stainless Steel (+AT)
- EN 10216-5 Grade X10CrNiMoMnNbVB15-10-1 – Solution Annealed with Additional Treatment
- EN 10216‑5 Grade X6CrNiMo17‑13‑2 – Solution Annealed for High‑Temperature Performance
- EN 10216-5 X7CrNiTiB18-10: High‑Creep Resistant, Solution‑Annealed Steel (+AT)
- EN 10216-5 X2CrNi18-9 Solution-Annealed AISI 304 Steel – Superior Corrosion Resistance
- EN 10216-5 Grade X3CrNiMo17-13-3: Solution-Annealed Steel for Superior Corrosion Resistance
- EN 10216-5 Grade X6CrNi18-10 Austenitic Steel – Solution Annealed with Additional Treatment
- EN 10216-5 X8CrNiMoVNb16-13 – High-Temp Solution-Annealed Austenitic Steel for Turbines & Power Plants