X2CrNiMoN17-13-5 (Grade X2) – Solution-Annealed Steel per DIN EN 10272, Ideal for Pressure Vessels
The steel grade X2CrNiMoN17-13-5 acc. to DIN EN 10271 : 2001-01is used for hot and cold formed rods for pressure vessels. The material shows high pitting and crevice corrosion resistance (better qualities than 1.4436) as well as stress corrosion resistance with excellent general resistance in many organic acids of high concentration and temperature, e.g. in non-oxidizing acids and chloride containing media (seawater, hypochloride solution), also in inorganic and mixed acids as well as resistance to intercrystalline corrosion also in sensitized condition.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 8 - 8.01 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | -100.0 °C | 206 GPa | |
20.0 °C | 196 - 200 GPa | ||
100.0 °C | 190 - 194 GPa | ||
200.0 °C | 182 - 186 GPa | ||
300.0 °C | 174 - 179 GPa | ||
400.0 °C | 166 - 172 GPa | ||
500.0 °C | 158 - 165 GPa | ||
600.0 °C | 150 GPa | ||
700.0 °C | 142 GPa | ||
800.0 °C | 134 GPa | ||
Elongation | 20.0 °C | 35 % | |
Elongation, transverse | 20.0 °C | 30 % | |
Hardness, Brinell | 20.0 °C | 250 [-] | |
Hardness, Brinell, trans | 20.0 °C | 250 [-] | |
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 | 580 - 800 MPa | |
100.0 °C | 520 MPa | ||
150.0 °C | 490 MPa | ||
200.0 °C | 460 MPa | ||
250.0 °C | 450 MPa | ||
300.0 °C | 440 MPa | ||
350.0 °C | 435 MPa | ||
Tensile strength, transverse | 20.0 °C | 580 - 800 MPa | |
Yield strength Rp0.2 | 20.0 °C | 280 MPa | |
100.0 °C | 225 MPa | ||
150.0 °C | 200 MPa | ||
200.0 °C | 185 MPa | ||
250.0 °C | 175 MPa | ||
300.0 °C | 165 MPa | ||
350.0 °C | 155 MPa | ||
400.0 °C | 150 MPa | ||
Yield strength Rp0.2, transverse | 20.0 °C | 280 MPa | |
Yield strength Rp1.0 | 20.0 °C | 315 MPa | |
100.0 °C | 255 MPa | ||
150.0 °C | 230 MPa | ||
200.0 °C | 210 MPa | ||
250.0 °C | 200 MPa | ||
300.0 °C | 190 MPa | ||
350.0 °C | 180 MPa | ||
400.0 °C | 175 MPa | ||
Yield strength Rp1.0, transverse | 20.0 °C | 315 MPa | |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | -100.0 °C | 1.49E-5 1/K | |
20.0 °C | 1.61E-5 1/K | ||
100.0 °C | 1.6E-5 - 1.67E-5 1/K | ||
200.0 °C | 1.65E-5 - 1.72E-5 1/K | ||
300.0 °C | 1.7E-5 - 1.77E-5 1/K | ||
400.0 °C | 1.75E-5 - 1.81E-5 1/K | ||
500.0 °C | 1.8E-5 - 1.84E-5 1/K | ||
600.0 °C | 1.88E-5 1/K | ||
700.0 °C | 1.91E-5 1/K | ||
800.0 °C | 1.94E-5 1/K | ||
900.0 °C | 1.97E-5 1/K | ||
1000.0 °C | 2E-5 1/K | ||
Melting point | 1230 - 1480 °C | Typical for Austenitic Stainless Steel | |
Specific heat capacity | -100.0 °C | 440 J/(kg·K) | |
20.0 °C | 472 - 500 J/(kg·K) | ||
100.0 °C | 487 J/(kg·K) | ||
200.0 °C | 503 J/(kg·K) | ||
300.0 °C | 512 J/(kg·K) | ||
400.0 °C | 520 J/(kg·K) | ||
500.0 °C | 530 J/(kg·K) | ||
600.0 °C | 541 J/(kg·K) | ||
700.0 °C | 551 J/(kg·K) | ||
800.0 °C | 559 J/(kg·K) | ||
900.0 °C | 565 J/(kg·K) | ||
1000.0 °C | 571 J/(kg·K) | ||
Thermal conductivity | 20.0 °C | 13.5 - 14 W/(m·K) | |
100.0 °C | 14.9 W/(m·K) | ||
200.0 °C | 16.7 W/(m·K) | ||
300.0 °C | 18.3 W/(m·K) | ||
400.0 °C | 19.8 W/(m·K) | ||
500.0 °C | 21.3 W/(m·K) | ||
600.0 °C | 22.7 W/(m·K) | ||
700.0 °C | 24.2 W/(m·K) | ||
800.0 °C | 25.6 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 3.6 mm²/s | |
100.0 °C | 3.7 mm²/s | ||
200.0 °C | 4 mm²/s | ||
300.0 °C | 4.4 mm²/s | ||
400.0 °C | 4.6 mm²/s | ||
500.0 °C | 4.7 mm²/s | ||
600.0 °C | 4.9 mm²/s | ||
700.0 °C | 5.2 mm²/s | ||
800.0 °C | 5.5 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 7.75E-7 - 8.5E-7 Ω·m |
100.0 °C | 8.42E-7 Ω·m | |
200.0 °C | 9.04E-7 Ω·m | |
300.0 °C | 9.62E-7 Ω·m | |
400.0 °C | 1.01E-6 Ω·m | |
500.0 °C | 1.06E-6 Ω·m | |
600.0 °C | 1.1E-6 Ω·m | |
700.0 °C | 1.13E-6 Ω·m | |
800.0 °C | 1.16E-6 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.03 % |
Chromium | 16.5 - 18.5 % |
Manganese | 2 % |
Molybdenum | 4 - 5 % |
Nickel | 12.5 - 14.5 % |
Nitrogen | 0.12 - 0.22 % |
Phosphorus | 0.05 % |
Silicon | 1 % |
Sulfur | 0.015 % |
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