EN 10028-7 Grade X2CrNiMoN25-7-4 solution annealed (+AT)
EN 10028-7 Grade X2CrNiMoN25-7-4 solution annealed (+AT) introduction
The austenitic-ferritic steel X2CrNiMoN25-7-4 will be delivered in the solution annealed condition as cold rolled strip, hot rolled sheet and strip, bars, wire rod and profiles. It shows resistance to intercrystalline corrosion even in sensitized condition.
Equivalent material: ASTM A240Type2507, ASTM A240UNSS32750, UNS S32750, ISO X2CrNiMoN25-7-4, ISO 4410-327-50-E, DIN 1.4410, DIN GX10CrNiMo18-9, AFNOR Z3CND25-06Az, AISI A182 F53, AISI S32750, SAE A182 F53, SAE S32750, EN 1.4410, GB 022Cr25Ni7Mo4N, ASTM Type 2507, ASTM F53
EN 10028-7 Grade X2CrNiMoN25-7-4 solution annealed (+AT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.8 g/cm³ |
EN 10028-7 Grade X2CrNiMoN25-7-4 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 10028-7 Grade X2CrNiMoN25-7-4 solution annealed (+AT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.03 % |
| Chromium |
Chromium of 24 - 26 % |
| Manganese |
Manganese of 2 % |
| Molybdenum |
Molybdenum of 3 - 4.5 % |
| Nickel |
Nickel of 6 - 8 % |
| Nitrogen |
Nitrogen of 0.24 - 0.35 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.015 % |
EN 10028-7 Grade X2CrNiMoN25-7-4 solution annealed (+AT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 8E-7 Ω·m |
EN 10028-7 Grade X2CrNiMoN25-7-4 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 20 % |
- |
| Elongation A80 |
20.0 °C |
Elongation A80 of 20 % |
- |
| Elongation A80, transverse |
20.0 °C |
Elongation A80, transverse of 20 % |
- |
| Elongation, transverse |
20.0 °C |
Elongation, transverse of 20 % |
- |
| 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 730 - 1000 MPa |
- |
| - |
50.0 °C |
Tensile strength of 711 MPa |
- |
| - |
100.0 °C |
Tensile strength of 680 MPa |
- |
| - |
150.0 °C |
Tensile strength of 660 MPa |
- |
| - |
200.0 °C |
Tensile strength of 640 MPa |
- |
| - |
250.0 °C |
Tensile strength of 630 MPa |
- |
| Tensile strength, transverse |
20.0 °C |
Tensile strength, transverse of 730 - 1000 MPa |
- |
| Yield strength Rp0.2 |
50.0 °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 |
- |
| Yield strength Rp0.2, transverse |
20.0 °C |
Yield strength Rp0.2, transverse of 515 - 550 MPa |
- |
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