ASTM A240 Grade 255 Heat-Treated
Equivalent material: DIN 1.4507, DIN X2CrNiMoCuN25-6-3, AFNOR Z3CNDU25-06Az, BS X2CrNiMoCuN25-6-3, AISI S32520, AISI S32550, SAE S32520, SAE S32550, EN X2CrNiMoCuN25-6-3, EN X2CrNiMoCuN26-6-3, EN 1.4507, ISO X3CrNiMoCuN26-6-3-2, ISO 4507-325-50-X, ISO DM35F, ASTM F61, ASTM S32520, ASTM F59, UNS S32520, UNS S32550, ASTM S32550
ASTM A240 Grade 255 Heat-Treated general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 g/cm³ |
Typical for Duplex Stainless Steel |
ASTM A240 Grade 255 Heat-Treated thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1E-5 1/K |
Typical for Duplex Stainless Steel |
| 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 |
23.0 °C |
Specific heat capacity of 440 - 502 J/(kg·K) |
Typical for Duplex Stainless Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 13 - 30 W/(m·K) |
Typical for Duplex Stainless Steel |
ASTM A240 Grade 255 Heat-Treated chemical
| Property |
Value |
| Carbon |
Carbon of 0.04 % |
| Chromium |
Chromium of 24 - 27 % |
| Copper |
Copper of 1.5 - 2.5 % |
| Manganese |
Manganese of 1.5 % |
| Molybdenum |
Molybdenum of 2.9 - 3.9 % |
| Nickel |
Nickel of 4.5 - 6.5 % |
| Nitrogen |
Nitrogen of 0.1 - 0.25 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.03 % |
ASTM A240 Grade 255 Heat-Treated mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 GPa |
Typical for Duplex Stainless Steel |
| Elongation A50 |
23.0 °C |
Elongation A50 of 15 % |
- |
| Hardness, Brinell |
23.0 °C |
Hardness, Brinell of 302 [-] |
- |
| Hardness, Rockwell C |
23.0 °C |
Hardness, Rockwell C of 32 [-] |
- |
| 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 |
23.0 °C |
Tensile strength of 760 MPa |
- |
| Yield strength Rp0.2 |
23.0 °C |
Yield strength Rp0.2 of 550 MPa |
- |
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