EN 10217-7 X2CrNi18-9 Solution-Annealed Austenitic Steel – High-Performance Tubing
The austenitic steel X2CrNi18-9 is available in the solution annealed condition. Welded circular tubes of this steel are used for compression load and for corrosive load at room temperature, low temperatures and elevated temperatures. The material is resistant to intercrystalline corrosion (up to 350 °C) also in the welded condition.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.9 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 | 179 GPa | ||
400.0 °C | 172 GPa | ||
500.0 °C | 165 GPa | ||
Elongation | 20.0 °C | 40 % | |
Elongation, transverse | 20.0 °C | 35 % | |
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 | 470 - 670 MPa | |
Tensile strength, transverse | 20.0 °C | 470 - 670 MPa | |
Yield strength Rp0.2 | 20.0 °C | 180 MPa | |
50.0 °C | 165 MPa | ||
100.0 °C | 145 MPa | ||
150.0 °C | 130 MPa | ||
200.0 °C | 118 MPa | ||
250.0 °C | 108 MPa | ||
300.0 °C | 100 MPa | ||
350.0 °C | 94 MPa | ||
400.0 °C | 89 MPa | ||
450.0 °C | 85 MPa | ||
500.0 °C | 81 MPa | ||
550.0 °C | 80 MPa | ||
Yield strength Rp0.2, transverse | 20.0 °C | 180 MPa | |
Yield strength Rp1.0 | 20.0 °C | 215 MPa | |
50.0 °C | 200 MPa | ||
100.0 °C | 180 MPa | ||
150.0 °C | 160 MPa | ||
200.0 °C | 145 MPa | ||
250.0 °C | 135 MPa | ||
300.0 °C | 127 MPa | ||
350.0 °C | 121 MPa | ||
400.0 °C | 116 MPa | ||
450.0 °C | 112 MPa | ||
500.0 °C | 109 MPa | ||
550.0 °C | 108 MPa | ||
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 1.6E-5 1/K | |
200.0 °C | 1.65E-5 1/K | ||
300.0 °C | 1.7E-5 1/K | ||
400.0 °C | 1.8E-5 1/K | ||
500.0 °C | 1.8E-5 1/K | ||
Melting point | 1230 - 1480 °C | Typical for Austenitic 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 | 7.3E-7 Ω·m |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.03 % |
Chromium | 17.5 - 19.5 % |
Manganese | 2 % |
Nickel | 8 - 10 % |
Nitrogen | 0.11 % |
Phosphorus | 0.05 % |
Silicon | 1 % |
Sulfur | 0.015 % |
Metal
- EN 10269 X2CrNi18-9 Stainless Steel – Solution Annealed with Post-Annealing Treatment
- EN 10222-5 X2CrNi18-9 Solution-Annealed Steel (+AT) – High Corrosion & Mechanical Strength
- EN 10217-7 Grade X2CrNiMoCuWN25-7-4 – Solution Annealed Steel for Corrosion‑Resistant Tubes
- EN 10217-7 Grade X2CrNiMoN25-7-4 Solution-Annealed Steel (+AT) – High-Temperature Corrosion Resistance
- EN 10217-7 X2CrNiN23-4 Austenitic Ferritic Steel – Solution Annealed for Corrosion-Resistant Tubes
- EN 10217-7 Grade X1NiCrMoCuN25-20-7 – Solution‑Annealed Stainless Steel for High‑Temperature Corrosion Resistance
- EN 10250-4 X2CrNi18-9 Austenitic Steel – Solution Annealed + AT
- EN 10217-7 Grade X1CrNiMoCuN20-18-7 – Solution Annealed Steel for High-Performance Applications
- EN 10217-7 Grade X2CrNiMoN22-5-3 Solution‑Annealed Steel (+AT) – High‑Performance, Corrosion‑Resistant Tubing
- EN 10217‑7 Grade X2CrNiMoN17‑13‑3 – Solution Annealed Steel for Corrosion‑Resistant, High‑Temperature Applications