EN 10083-1 Grade C25E quenched and tempered (+QT)
EN 10083-1 Grade C25E quenched and tempered (+QT) introduction
Steel C25E is suitable for low strained parts of higher dimension and more complex form as well as higher demands on uniformity of proprties and surface appearance (e.g. transmission parts, crankshafts). Lowest working temperature -25 °C.
Equivalent material: NBN C25-2, GB 25, AFNOR XC25, BS 070M26, ISO C25E4, UNI C25, UNE F1120-C25K, ASTM 1025, ASTM C, DIN Ck25, GB U20252, EN 1.1158, IS 25C4, ISO C25E, ASTM A29 Grade 1025, ASTM A510 Grade 1025, ASTM A576 Grade 1025, ASTM A827 Grade 1025, ASTM A830 Grade 1025, SAE 1025, UNS G10250, DIN 1.1158, DIN C25E, AFNOR C25E, BS C25E, AISI 1025, JIS S25C, JIS S28C, ISO S25C, GOST 25, GB/T 25, GB/T U20252, GB/T ML25, GB/T U40252, ASTM Grade 1025
EN 10083-1 Grade C25E quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.82 - 7.85 g/cm³ |
EN 10083-1 Grade C25E quenched and tempered (+QT) 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 1.11E-5 - 1.25E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.21E-5 - 1.3E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.29E-5 - 1.36E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.35E-5 - 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 |
| Max service temperature, long |
- |
Max service temperature, long of -25 - 0 °C |
- |
| 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 460 - 461 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 479 - 480 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 499 - 520 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 517 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 536 - 610 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 - 52 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 41 - 51 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 41 - 49 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 39.9 - 46 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 10083-1 Grade C25E quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.22 - 0.29 % |
| Chromium |
Chromium of 0.4 % |
| Copper |
Copper of 0.3 % |
| Manganese |
Manganese of 0.4 - 0.7 % |
| Molybdenum |
Molybdenum of 0.1 % |
| Nickel |
Nickel of 0.4 % |
| Phosphorus |
Phosphorus of 0.03 - 0.04 % |
| Silicon |
Silicon of 0.1 - 0.4 % |
| Sulfur |
Sulfur of 0.035 % |
EN 10083-1 Grade C25E quenched and tempered (+QT) magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
EN 10083-1 Grade C25E quenched and tempered (+QT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 1.2E-7 - 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 10083-1 Grade C25E quenched and tempered (+QT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 217 GPa |
- |
| - |
20.0 °C |
Elastic modulus of 210 - 212 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 205 - 207 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 195 - 199 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 185 - 192 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 175 - 184 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 175 GPa |
- |
| - |
600.0 °C |
Elastic modulus of 164 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 19 - 21 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Low Carbon Steel |
| Reduction of area |
20.0 °C |
Reduction of area of 45 - 50 % |
- |
| Shear modulus |
20.0 °C |
Shear modulus of 81 GPa |
- |
| Tensile strength |
20.0 °C |
Tensile strength of 500 - 700 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 320 - 370 MPa |
- |
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