EN 10028-7 X1NiCrMoCu25-20-5 Solution-Annealed Steel (+AT) – Superior Corrosion Resistance
The austenitic steel X1NiCrMoCu25-20-5 has a high resistance to highly aggressive organic and inorganic acids, high pitting corrosion and largely stress corrosion resistance. Its pitting index is with 39 the second best. The material is resistant to intercrystalline corrosion. Application: for temperatures between -60 and 400 °C in chemical and petrochemical industry, for flue gas desulfurizing plants, in cellulose and paper industry, for smokestack lining.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.76 - 8 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | -100.0 °C | 206 GPa | |
20.0 °C | 195 - 196 GPa | ||
100.0 °C | 190 GPa | ||
200.0 °C | 182 GPa | ||
300.0 °C | 174 GPa | ||
400.0 °C | 166 GPa | ||
500.0 °C | 158 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 A80, transverse | 20.0 °C | 35 % | |
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 | 520 - 730 MPa | |
50.0 °C | 512 MPa | ||
100.0 °C | 500 MPa | ||
150.0 °C | 480 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 | 520 - 730 MPa | |
Yield strength Rp0.2 | 50.0 °C | 214 MPa | |
100.0 °C | 205 MPa | ||
150.0 °C | 190 MPa | ||
200.0 °C | 175 MPa | ||
250.0 °C | 160 MPa | ||
300.0 °C | 145 MPa | ||
350.0 °C | 135 MPa | ||
400.0 °C | 125 MPa | ||
450.0 °C | 115 MPa | ||
500.0 °C | 110 MPa | ||
550.0 °C | 105 MPa | ||
Yield strength Rp0.2, transverse | 20.0 °C | 220 - 240 MPa | |
Yield strength Rp1.0 | 50.0 °C | 251 MPa | |
100.0 °C | 235 MPa | ||
150.0 °C | 220 MPa | ||
200.0 °C | 205 MPa | ||
250.0 °C | 190 MPa | ||
300.0 °C | 175 MPa | ||
350.0 °C | 165 MPa | ||
400.0 °C | 155 MPa | ||
450.0 °C | 145 MPa | ||
500.0 °C | 140 MPa | ||
550.0 °C | 135 MPa | ||
Yield strength Rp1.0, transverse | 20.0 °C | 260 - 270 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 | 1.58E-5 - 1.67E-5 1/K | ||
200.0 °C | 1.61E-5 - 1.72E-5 1/K | ||
300.0 °C | 1.65E-5 - 1.77E-5 1/K | ||
400.0 °C | 1.69E-5 - 1.81E-5 1/K | ||
500.0 °C | 1.73E-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 | ||
Max service temperature, long | -60 - 400 °C | ||
Melting point | 1230 - 1480 °C | Typical for Austenitic Stainless Steel | |
Specific heat capacity | -100.0 °C | 440 J/(kg·K) | |
20.0 °C | 450 - 472 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 | 11.9 - 12 W/(m·K) | |
100.0 °C | 13.3 W/(m·K) | ||
200.0 °C | 15.1 W/(m·K) | ||
300.0 °C | 16.7 W/(m·K) | ||
400.0 °C | 18.3 W/(m·K) | ||
500.0 °C | 19.8 W/(m·K) | ||
600.0 °C | 21.3 W/(m·K) | ||
700.0 °C | 22.8 W/(m·K) | ||
800.0 °C | 24.3 W/(m·K) | ||
900.0 °C | 25.7 W/(m·K) | ||
1000.0 °C | 27.1 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 3.3 mm²/s | |
100.0 °C | 3.4 mm²/s | ||
200.0 °C | 3.7 mm²/s | ||
300.0 °C | 4.1 mm²/s | ||
400.0 °C | 4.3 mm²/s | ||
500.0 °C | 4.5 mm²/s | ||
600.0 °C | 4.7 mm²/s | ||
700.0 °C | 5 mm²/s | ||
800.0 °C | 5.4 mm²/s | ||
900.0 °C | 5.7 mm²/s | ||
1000.0 °C | 5.8 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 9.59E-7 - 1E-6 Ω·m |
100.0 °C | 1.01E-6 Ω·m | |
200.0 °C | 1.05E-6 Ω·m | |
300.0 °C | 1.1E-6 Ω·m | |
400.0 °C | 1.13E-6 Ω·m | |
500.0 °C | 1.17E-6 Ω·m | |
600.0 °C | 1.19E-6 Ω·m | |
700.0 °C | 1.22E-6 Ω·m | |
800.0 °C | 1.24E-6 Ω·m | |
900.0 °C | 1.26E-6 Ω·m | |
1000.0 °C | 1.28E-6 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.02 % |
Chromium | 19 - 21 % |
Copper | 1.2 - 2 % |
Manganese | 2 % |
Molybdenum | 4 - 5 % |
Nickel | 24 - 26 % |
Nitrogen | 0.15 % |
Phosphorus | 0.03 % |
Silicon | 0.7 % |
Sulfur | 0.01 % |
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