EN 10028-7 Grade X1NiCrMoCuN25-20-7 solution annealed (+AT)
EN 10028-7 Grade X1NiCrMoCuN25-20-7 solution annealed (+AT) introduction
The austenitic steel X1NiCrMoCuN25-20-7 is the stronger Mo-alloyed type of the 1.4539. The steel shows a very high resistance to crevice corrosion, pitting corrosion as well as to stress corrosion caused by pitting corrosion. It has the highest pitting index with 46. The material is resistant to intercrystalline corrosion, even in welded condition.
Application: in higher chloride-contaminated media, e.g. in appropriate sulphur and phosphorus acids, furthermore in offshore engineering
Equivalent material: JIS SUS836L, KS STS836L, ASTM A240UNSN08926, UNS N08926, ISO A-4, MSZ KO45ELC, DIN X1NiCrMoCuN25-20-6, ISO X1NiCrMoCuN25-20-7, DIN 1.4529, DIN X1NiCrMoCuN25-20-7, AFNOR Z2NCDU25-20-06Az, BS X1NiCrMoCuN25-20-7, AISI 926, AISI N08926, AISI N08367, SAE 926, SAE N08926, SAE N08367, EN 1.4529, ISO 4529-089-26-I, ISO AN52A, UNS N08367
EN 10028-7 Grade X1NiCrMoCuN25-20-7 solution annealed (+AT) general
| Property | Temperature | Value |
|---|---|---|
| Density | 20.0 °C | Density of 7.76 - 8.1 g/cm³ |
EN 10028-7 Grade X1NiCrMoCuN25-20-7 solution annealed (+AT) thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Coefficient of thermal expansion | -100.0 °C | Coefficient of thermal expansion of 1.49E-5 1/K | - |
| - | 20.0 °C | Coefficient of thermal expansion of 1.61E-5 1/K | - |
| - | 100.0 °C | Coefficient of thermal expansion of 1.58E-5 - 1.67E-5 1/K | - |
| - | 200.0 °C | Coefficient of thermal expansion of 1.61E-5 - 1.72E-5 1/K | - |
| - | 300.0 °C | Coefficient of thermal expansion of 1.65E-5 - 1.77E-5 1/K | - |
| - | 400.0 °C | Coefficient of thermal expansion of 1.69E-5 - 1.81E-5 1/K | - |
| - | 500.0 °C | Coefficient of thermal expansion of 1.73E-5 - 1.84E-5 1/K | - |
| - | 600.0 °C | Coefficient of thermal expansion of 1.88E-5 1/K | - |
| - | 700.0 °C | Coefficient of thermal expansion of 1.91E-5 1/K | - |
| - | 800.0 °C | Coefficient of thermal expansion of 1.94E-5 1/K | - |
| - | 900.0 °C | Coefficient of thermal expansion of 1.97E-5 1/K | - |
| - | 1000.0 °C | Coefficient of thermal expansion of 2E-5 1/K | - |
| Melting point | - | Melting point of 1230 - 1480 °C | Typical for Austenitic Stainless Steel |
| Specific heat capacity | -100.0 °C | Specific heat capacity of 440 J/(kg·K) | - |
| - | 20.0 °C | Specific heat capacity of 450 - 472 J/(kg·K) | - |
| - | 100.0 °C | Specific heat capacity of 487 J/(kg·K) | - |
| - | 200.0 °C | Specific heat capacity of 503 J/(kg·K) | - |
| - | 300.0 °C | Specific heat capacity of 512 J/(kg·K) | - |
| - | 400.0 °C | Specific heat capacity of 520 J/(kg·K) | - |
| - | 500.0 °C | Specific heat capacity of 530 J/(kg·K) | - |
| - | 600.0 °C | Specific heat capacity of 541 J/(kg·K) | - |
| - | 700.0 °C | Specific heat capacity of 551 J/(kg·K) | - |
| - | 800.0 °C | Specific heat capacity of 559 J/(kg·K) | - |
| - | 900.0 °C | Specific heat capacity of 565 J/(kg·K) | - |
| - | 1000.0 °C | Specific heat capacity of 571 J/(kg·K) | - |
| Thermal conductivity | 20.0 °C | Thermal conductivity of 11.9 - 12 W/(m·K) | - |
| - | 100.0 °C | Thermal conductivity of 13.3 W/(m·K) | - |
| - | 200.0 °C | Thermal conductivity of 15.1 W/(m·K) | - |
| - | 300.0 °C | Thermal conductivity of 16.7 W/(m·K) | - |
| - | 400.0 °C | Thermal conductivity of 18.3 W/(m·K) | - |
| - | 500.0 °C | Thermal conductivity of 19.8 W/(m·K) | - |
| - | 600.0 °C | Thermal conductivity of 21.3 W/(m·K) | - |
| - | 700.0 °C | Thermal conductivity of 22.8 W/(m·K) | - |
| - | 800.0 °C | Thermal conductivity of 24.3 W/(m·K) | - |
| - | 900.0 °C | Thermal conductivity of 25.7 W/(m·K) | - |
| - | 1000.0 °C | Thermal conductivity of 27.1 W/(m·K) | - |
| Thermal diffusivity | 20.0 °C | Thermal diffusivity of 3.3 mm²/s | - |
| - | 100.0 °C | Thermal diffusivity of 3.4 mm²/s | - |
| - | 200.0 °C | Thermal diffusivity of 3.7 mm²/s | - |
| - | 300.0 °C | Thermal diffusivity of 4.1 mm²/s | - |
| - | 400.0 °C | Thermal diffusivity of 4.3 mm²/s | - |
| - | 500.0 °C | Thermal diffusivity of 4.5 mm²/s | - |
| - | 600.0 °C | Thermal diffusivity of 4.7 mm²/s | - |
| - | 700.0 °C | Thermal diffusivity of 5 mm²/s | - |
| - | 800.0 °C | Thermal diffusivity of 5.4 mm²/s | - |
| - | 900.0 °C | Thermal diffusivity of 5.7 mm²/s | - |
| - | 1000.0 °C | Thermal diffusivity of 5.8 mm²/s | - |
EN 10028-7 Grade X1NiCrMoCuN25-20-7 solution annealed (+AT) chemical
| Property | Value |
|---|---|
| Carbon | Carbon of 0.02 % |
| Chromium | Chromium of 19 - 21 % |
| Copper | Copper of 0.5 - 1.5 % |
| Manganese | Manganese of 1 % |
| Molybdenum | Molybdenum of 6 - 7 % |
| Nickel | Nickel of 24 - 26 % |
| Nitrogen | Nitrogen of 0.15 - 0.25 % |
| Phosphorus | Phosphorus of 0.03 % |
| Silicon | Silicon of 0.5 % |
| Sulfur | Sulfur of 0.01 % |
EN 10028-7 Grade X1NiCrMoCuN25-20-7 solution annealed (+AT) electrical
| Property | Temperature | Value |
|---|---|---|
| Electrical resistivity | 20.0 °C | Electrical resistivity of 9.59E-7 - 1E-6 Ω·m |
| - | 100.0 °C | Electrical resistivity of 1.01E-6 Ω·m |
| - | 200.0 °C | Electrical resistivity of 1.05E-6 Ω·m |
| - | 300.0 °C | Electrical resistivity of 1.1E-6 Ω·m |
| - | 400.0 °C | Electrical resistivity of 1.13E-6 Ω·m |
| - | 500.0 °C | Electrical resistivity of 1.17E-6 Ω·m |
| - | 600.0 °C | Electrical resistivity of 1.19E-6 Ω·m |
| - | 700.0 °C | Electrical resistivity of 1.22E-6 Ω·m |
| - | 800.0 °C | Electrical resistivity of 1.24E-6 Ω·m |
| - | 900.0 °C | Electrical resistivity of 1.26E-6 Ω·m |
| - | 1000.0 °C | Electrical resistivity of 1.28E-6 Ω·m |
EN 10028-7 Grade X1NiCrMoCuN25-20-7 solution annealed (+AT) mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Elastic modulus | -100.0 °C | Elastic modulus of 206 GPa | - |
| - | 20.0 °C | Elastic modulus of 195 - 196 GPa | - |
| - | 100.0 °C | Elastic modulus of 190 GPa | - |
| - | 200.0 °C | Elastic modulus of 182 GPa | - |
| - | 300.0 °C | Elastic modulus of 174 GPa | - |
| - | 400.0 °C | Elastic modulus of 166 GPa | - |
| - | 500.0 °C | Elastic modulus of 158 GPa | - |
| - | 600.0 °C | Elastic modulus of 150 GPa | - |
| - | 700.0 °C | Elastic modulus of 142 GPa | - |
| - | 800.0 °C | Elastic modulus of 134 GPa | - |
| - | 900.0 °C | Elastic modulus of 127 GPa | - |
| - | 1000.0 °C | Elastic modulus of 120 GPa | - |
| Elongation A80, transverse | 20.0 °C | Elongation A80, transverse of 40 % | - |
| Elongation, transverse | 20.0 °C | Elongation, transverse of 40 % | - |
| Poisson's ratio | 23.0 °C | Poisson's ratio of 0.3 [-] | Typical for Austenitic Stainless Steel |
| Shear modulus | 23.0 °C | Shear modulus of 77 GPa | Typical for Austenitic Stainless Steel |
| Tensile strength | 20.0 °C | Tensile strength of 650 - 850 MPa | - |
| - | 50.0 °C | Tensile strength of 612 MPa | - |
| - | 100.0 °C | Tensile strength of 550 MPa | - |
| - | 150.0 °C | Tensile strength of 535 MPa | - |
| - | 200.0 °C | Tensile strength of 520 MPa | - |
| - | 250.0 °C | Tensile strength of 500 MPa | - |
| - | 300.0 °C | Tensile strength of 480 MPa | - |
| - | 350.0 °C | Tensile strength of 475 MPa | - |
| Tensile strength, transverse | 20.0 °C | Tensile strength, transverse of 650 - 850 MPa | - |
| Yield strength Rp0.2 | 50.0 °C | Yield strength Rp0.2 of 274 MPa | - |
| - | 100.0 °C | Yield strength Rp0.2 of 230 MPa | - |
| - | 150.0 °C | Yield strength Rp0.2 of 210 MPa | - |
| - | 200.0 °C | Yield strength Rp0.2 of 190 MPa | - |
| - | 250.0 °C | Yield strength Rp0.2 of 180 MPa | - |
| - | 300.0 °C | Yield strength Rp0.2 of 170 MPa | - |
| - | 350.0 °C | Yield strength Rp0.2 of 165 MPa | - |
| - | 400.0 °C | Yield strength Rp0.2 of 160 MPa | - |
| - | 450.0 °C | Yield strength Rp0.2 of 130 MPa | - |
| - | 500.0 °C | Yield strength Rp0.2 of 120 MPa | - |
| - | 550.0 °C | Yield strength Rp0.2 of 105 MPa | - |
| Yield strength Rp0.2, transverse | 20.0 °C | Yield strength Rp0.2, transverse of 300 MPa | - |
| Yield strength Rp1.0 | 50.0 °C | Yield strength Rp1.0 of 314 MPa | - |
| - | 100.0 °C | Yield strength Rp1.0 of 270 MPa | - |
| - | 150.0 °C | Yield strength Rp1.0 of 245 MPa | - |
| - | 200.0 °C | Yield strength Rp1.0 of 225 MPa | - |
| - | 250.0 °C | Yield strength Rp1.0 of 215 MPa | - |
| - | 300.0 °C | Yield strength Rp1.0 of 205 MPa | - |
| - | 350.0 °C | Yield strength Rp1.0 of 195 MPa | - |
| - | 400.0 °C | Yield strength Rp1.0 of 190 MPa | - |
| - | 450.0 °C | Yield strength Rp1.0 of 160 MPa | - |
| - | 500.0 °C | Yield strength Rp1.0 of 150 MPa | - |
| - | 550.0 °C | Yield strength Rp1.0 of 135 MPa | - |
| Yield strength Rp1.0, transverse | 20.0 °C | Yield strength Rp1.0, transverse of 320 - 340 MPa | - |
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