EN 10028-7 X2CrNiMoN17-11-2 Solution-Annealed Steel (+AT) – High Strength, Corrosion Resistance, and Oxidation Stability
The austenitic steel X2CrNiMoN17-11-2 shows a higher strength and structural stability by N-addition. High resistance in oxidizing media. Increase of interaction parameter (pitting index) by N-addition. The steel is suitable for mirror-polishing and resistant to selective attack. It shows favorable corrosion resistance especially in welded condition. The material shows resistance to intercrystalline corrosion also in sensitized condition. Application: in chemical apparatus engineering for pressure vessels, in cellulose, coloring, oil, soap and textile industry, in breweries and dairies
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.96 - 8 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 | ||
900.0 °C | 127 GPa | ||
1000.0 °C | 120 GPa | ||
Elongation | -196.0 °C | 30 % | |
-150.0 °C | 35 % | ||
-80.0 °C | 35 % | ||
20.0 °C | 40 % | ||
Elongation A80, transverse | 20.0 °C | 40 % | |
Elongation, transverse | 20.0 °C | 40 % | |
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 | -196.0 °C | 1150 MPa | |
-150.0 °C | 1000 MPa | ||
-80.0 °C | 800 MPa | ||
20.0 °C | 580 - 780 MPa | ||
50.0 °C | 557 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 - 780 MPa | |
Yield strength Rp0.2 | -196.0 °C | 600 MPa | |
-150.0 °C | 500 MPa | ||
-80.0 °C | 380 MPa | ||
20.0 °C | 280 MPa | ||
50.0 °C | 254 MPa | ||
100.0 °C | 211 MPa | ||
150.0 °C | 185 MPa | ||
200.0 °C | 167 MPa | ||
250.0 °C | 155 MPa | ||
300.0 °C | 145 MPa | ||
350.0 °C | 140 MPa | ||
400.0 °C | 135 MPa | ||
450.0 °C | 131 MPa | ||
500.0 °C | 128 MPa | ||
550.0 °C | 127 MPa | ||
Yield strength Rp0.2, transverse | 20.0 °C | 280 - 300 MPa | |
Yield strength Rp1.0 | -196.0 °C | 700 MPa | |
-150.0 °C | 600 MPa | ||
-80.0 °C | 450 MPa | ||
20.0 °C | 320 MPa | ||
50.0 °C | 292 MPa | ||
100.0 °C | 246 MPa | ||
150.0 °C | 218 MPa | ||
200.0 °C | 198 MPa | ||
250.0 °C | 183 MPa | ||
300.0 °C | 175 MPa | ||
350.0 °C | 169 MPa | ||
400.0 °C | 164 MPa | ||
450.0 °C | 160 MPa | ||
500.0 °C | 158 MPa | ||
550.0 °C | 157 MPa | ||
Yield strength Rp1.0, transverse | 20.0 °C | 320 - 330 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 | 13.3 - 15 W/(m·K) | |
100.0 °C | 14.9 W/(m·K) | ||
200.0 °C | 16.5 W/(m·K) | ||
300.0 °C | 18.1 W/(m·K) | ||
400.0 °C | 19.5 W/(m·K) | ||
500.0 °C | 21 W/(m·K) | ||
600.0 °C | 22.4 W/(m·K) | ||
700.0 °C | 23.8 W/(m·K) | ||
800.0 °C | 25.2 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 3.5 mm²/s | |
100.0 °C | 3.8 mm²/s | ||
200.0 °C | 4 mm²/s | ||
300.0 °C | 4.3 mm²/s | ||
400.0 °C | 4.5 mm²/s | ||
500.0 °C | 4.7 mm²/s | ||
600.0 °C | 4.8 mm²/s | ||
700.0 °C | 5.1 mm²/s | ||
800.0 °C | 5.4 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 7.5E-7 - 7.91E-7 Ω·m |
100.0 °C | 8.45E-7 Ω·m | |
200.0 °C | 9.19E-7 Ω·m | |
300.0 °C | 9.77E-7 Ω·m | |
400.0 °C | 1.03E-6 Ω·m | |
500.0 °C | 1.08E-6 Ω·m | |
600.0 °C | 1.12E-6 Ω·m | |
700.0 °C | 1.15E-6 Ω·m | |
800.0 °C | 1.18E-6 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.03 % |
Chromium | 16.5 - 18.5 % |
Manganese | 2 % |
Molybdenum | 2 - 2.5 % |
Nickel | 10 - 12.5 % |
Nitrogen | 0.12 - 0.22 % |
Phosphorus | 0.05 % |
Silicon | 1 % |
Sulfur | 0.015 % |
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