EN 10272 Grade X2CrNiMoCuN25-6-3 solution annealed (+AT)
EN 10272 Grade X2CrNiMoCuN25-6-3 solution annealed (+AT) introduction
The austenitic steel grade X2CrNiMoCuN25-6-3 acc. to DIN EN 10272 : 2001-01is used for hot and cold formed rods for pressure vessels. The material is resistant to intercrystalline corrosion also in sensitized condition.
Equivalent material: GB 03Cr25Ni6Mo3Cu2N, GB S25554, ASTM S32550, UNS S32550, ISO X2CrNiMoCuN25-6-3, ISO 4507-325-20-I, ISO DM34A, ASTM A479UNSS32550, DIN 1.4507, DIN X2CrNiMoCuN25-6-3, AFNOR Z3CNDU25-06Az, BS X2CrNiMoCuN25-6-3, AISI S32520, AISI S32550, SAE S32520, SAE S32550, EN X2CrNiMoCuN26-6-3, EN 1.4507, ISO X3CrNiMoCuN26-6-3-2, ISO 4507-325-50-X, ISO DM35F, ASTM F61, ASTM S32520, ASTM 255, ASTM F59, UNS S32520
EN 10272 Grade X2CrNiMoCuN25-6-3 solution annealed (+AT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.8 g/cm³ |
EN 10272 Grade X2CrNiMoCuN25-6-3 solution annealed (+AT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.3E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.35E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.4E-5 1/K |
- |
| Max service temperature |
- |
Max service temperature of 300 °C |
Typical for Duplex Stainless Steel |
| Melting point |
- |
Melting point of 1375 - 1450 °C |
Typical for Duplex Stainless Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 500 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 15 W/(m·K) |
- |
EN 10272 Grade X2CrNiMoCuN25-6-3 solution annealed (+AT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.03 % |
| Chromium |
Chromium of 24 - 26 % |
| Copper |
Copper of 1 - 2.5 % |
| Manganese |
Manganese of 2 % |
| Molybdenum |
Molybdenum of 2.7 - 4 % |
| Nickel |
Nickel of 5.5 - 8 % |
| Nitrogen |
Nitrogen of 0.15 - 0.3 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.7 % |
| Sulfur |
Sulfur of 0.015 % |
EN 10272 Grade X2CrNiMoCuN25-6-3 solution annealed (+AT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 8E-7 Ω·m |
EN 10272 Grade X2CrNiMoCuN25-6-3 solution annealed (+AT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 200 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 194 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 186 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 180 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 25 % |
- |
| Hardness, Brinell |
20.0 °C |
Hardness, Brinell of 270 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Duplex Stainless Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 77 GPa |
Typical for Duplex Stainless Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 700 - 900 MPa |
- |
| - |
100.0 °C |
Tensile strength of 660 MPa |
- |
| - |
150.0 °C |
Tensile strength of 640 MPa |
- |
| - |
200.0 °C |
Tensile strength of 620 MPa |
- |
| - |
250.0 °C |
Tensile strength of 610 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 500 MPa |
- |
| - |
100.0 °C |
Yield strength Rp0.2 of 450 MPa |
- |
| - |
150.0 °C |
Yield strength Rp0.2 of 420 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 400 MPa |
- |
| - |
250.0 °C |
Yield strength Rp0.2 of 380 MPa |
- |
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