EN 10083-2 Grade C55E normalized or normalized formed (+N)
EN 10083-2 Grade C55E normalized or normalized formed (+N) introduction
Steel C55E is suitable for larger parts in vehicle manufacturing, engine and machine engineering undergoing a surface hardening (e.g. gear wheels, screws, shafts).
Equivalent material: GB 55, GB U20552, IS 55C8, ISO C55E, JIS S55C, KS SM55C, GOST 55, ASTM A29 Grade 1055, ASTM A510 Grade 1055, ASTM A576 Grade 1055, UNS G10550, SAE 1055, DIN Ck55, NBN C55-2, AFNOR XC55H1, BS 070M55, ISO C55E4, UNI C55, UNE F1150-C55K, ASTM 1055, EN 1.1203, ASTM A827 Grade 1055, ASTM A830 Grade 1055, DIN 1.1203, DIN C55E, AFNOR XC55, AFNOR XC54, AFNOR XC50, AFNOR C55RR, AFNOR C55E, BS En9, BS C55E, UNI C50, UNE C55K, AISI 1055, JIS S55CM, JIS S55C-CSP, ISO CS55, ISO S55C, GB/T ZG55, GB/T C23464, GB/T ZG340-640, GB/T SM55, GB/T T10550, GB/T 55, GB/T U20552, IS C55Mn75
EN 10083-2 Grade C55E normalized or normalized formed (+N) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.8 - 7.85 g/cm³ |
EN 10083-2 Grade C55E normalized or normalized formed (+N) 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 1380 - 1514 °C |
Typical for Medium 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 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 41.7 - 52 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 43.4 - 50.6 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 43.2 - 48.1 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 41.4 - 45.7 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 39.1 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 36.7 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 34.1 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 11.6 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 11.3 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 10.5 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 9.5 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 8.3 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 7.1 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 5.8 mm²/s |
- |
EN 10083-2 Grade C55E normalized or normalized formed (+N) chemical
| Property |
Value |
| Carbon |
Carbon of 0.52 - 0.6 % |
| Chromium |
Chromium of 0.4 % |
| Copper |
Copper of 0.3 % |
| Manganese |
Manganese of 0.6 - 0.9 % |
| Molybdenum |
Molybdenum of 0.1 % |
| Nickel |
Nickel of 0.4 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.1 - 0.4 % |
| Sulfur |
Sulfur of 0.035 % |
EN 10083-2 Grade C55E normalized or normalized formed (+N) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 1.2E-7 - 2.5E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 2.95E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.65E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.53E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.56E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.74E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 8.13E-7 Ω·m |
EN 10083-2 Grade C55E normalized or normalized formed (+N) 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 11 - 12 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Medium Carbon Steel |
| Shear modulus |
20.0 °C |
Shear modulus of 81 GPa |
- |
| Tensile strength |
20.0 °C |
Tensile strength of 620 - 680 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 300 - 370 MPa |
- |
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