EN 10250-2 Grade C25E normalized and tempered (+NT)
EN 10250-2 Grade C25E normalized and tempered (+NT) introduction
Steel C25E is suitable for low strained parts of higher dimensions and complexer forms as well as higher demands for uniformity of properties and surface appearance in vehicle and machine engineering (e.g. piston rods, gear wheels).
Equivalent material: GB 25, GB U20252, JIS S25C, GOST 25, KS SM25C, ASTM A521 Grade 1025, SAE 1025, UNS G10250, DIN Ck25, DIN 1.1158, DIN C25E, AFNOR XC25, AFNOR C25E, BS 070M26, BS C25E, UNI C25, AISI 1025, JIS S28C, EN 1.1158, ISO C25E4, ISO C25E, ISO S25C, GB/T 25, GB/T U20252, GB/T ML25, GB/T U40252, ASTM Grade 1025
EN 10250-2 Grade C25E normalized and tempered (+NT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.82 g/cm³ |
EN 10250-2 Grade C25E normalized and tempered (+NT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
-100.0 °C |
Coefficient of thermal expansion of 1.08E-5 1/K |
- |
| - |
20.0 °C |
Coefficient of thermal expansion of 1.19E-5 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1.25E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.3E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.36E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.41E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.45E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.49E-5 1/K |
- |
| Max service temperature |
- |
Max service temperature of 500 °C |
Typical for Carbon Steel |
| Melting point |
- |
Melting point of 1480 - 1526 °C |
Typical for Low Carbon Steel |
| Specific heat capacity |
-100.0 °C |
Specific heat capacity of 423 J/(kg·K) |
- |
| - |
20.0 °C |
Specific heat capacity of 461 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 479 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 499 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 517 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 536 J/(kg·K) |
- |
| - |
500.0 °C |
Specific heat capacity of 558 J/(kg·K) |
- |
| - |
600.0 °C |
Specific heat capacity of 587 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 39.6 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 41 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 41 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 39.9 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 38.1 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 35.9 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 33.6 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 11 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 10.6 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 9.9 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 9 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 8.1 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 6.9 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 5.7 mm²/s |
- |
EN 10250-2 Grade C25E normalized and tempered (+NT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.22 - 0.29 % |
| Chromium |
Chromium of 0.4 % |
| Manganese |
Manganese of 0.4 - 0.7 % |
| Molybdenum |
Molybdenum of 0.1 % |
| Nickel |
Nickel of 0.4 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.035 % |
EN 10250-2 Grade C25E normalized and tempered (+NT) magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
EN 10250-2 Grade C25E normalized and tempered (+NT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 2.63E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 3.12E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.85E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.7E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.71E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.88E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 8.25E-7 Ω·m |
EN 10250-2 Grade C25E normalized and tempered (+NT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 217 GPa |
- |
| - |
20.0 °C |
Elastic modulus of 212 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 207 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 199 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 192 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 184 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 175 GPa |
- |
| - |
600.0 °C |
Elastic modulus of 164 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 22 - 23 % |
- |
| Elongation, transverse |
20.0 °C |
Elongation, transverse of 16 - 17 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Low Carbon Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 82 GPa |
Typical for Low Carbon Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 390 - 440 MPa |
- |
| Tensile strength, transverse |
20.0 °C |
Tensile strength, transverse of 390 - 420 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 180 - 230 MPa |
- |
| Yield strength, transverse |
20.0 °C |
Yield strength, transverse of 180 - 210 MPa |
- |
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