EN 10277-5 Grade C45E cold drawn and quenched and tempered (+C+QT)
EN 10277-5 Grade C45E cold drawn and quenched and tempered (+C+QT) introduction
Steel C45E is suitable for parts of mean load and higher dimension (heavy forged parts) and complexer form in vehicle and machine engineering (shipshafts, transmission parts, wheel hubs).
Lowest application temperature -25°C, favorable creep behaviuor up to 480°C..
As a bright steel product it is used in the form of bars, bright, straight, in various conditions (see DIN EN 10277 : 1999-10).
Equivalent material: NBN C45-2, GB 45, AFNOR XC48H1, BS 080M46, ISO C45E4, UNI C45, JIS S45C, SS 1672, UNE F.1140-C45K, DIN Ck45, AS 1045, GB U20452, ISO C45E, ASTM A108 Grade 1045, SAE 1045, UNS G10450, DIN 1.1191, DIN C45E, DIN GS-Ck45, AFNOR XC45, AFNOR C45E, AFNOR C45RR, BS 080H46, BS CFS8, BS C45E, BS AW2, UNE C45K, AISI 1045, AISI 1045H, SAE 1045H, JIS S45CM, JIS S48C, EN 1.1191, ISO CE45E4, ISO CS45, ISO S48C, GOST 45, GB/T 45, GB/T SM45, GB/T T10450, GB/T U20452, GB/T CRB800H, GB/T 45H, GB/T 45AH, GB/T C33457, GB/T ZGD345-570, ASTM Grade 1045, ASTM 1045, UNS H10450, UNS G10450, UNS G10420
EN 10277-5 Grade C45E cold drawn and quenched and tempered (+C+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.8 - 7.85 g/cm³ |
EN 10277-5 Grade C45E cold drawn and quenched and tempered (+C+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 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 461 - 480 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 479 - 500 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 499 - 550 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 517 - 590 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 10277-5 Grade C45E cold drawn and quenched and tempered (+C+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.42 - 0.5 % |
| Chromium |
Chromium of 0.4 % |
| Manganese |
Manganese of 0.5 - 0.8 % |
| Molybdenum |
Molybdenum of 0.1 % |
| Nickel |
Nickel of 0.4 % |
| Phosphorus |
Phosphorus of 0.03 - 0.04 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.035 % |
EN 10277-5 Grade C45E cold drawn and quenched and tempered (+C+QT) 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 10277-5 Grade C45E cold drawn and quenched and tempered (+C+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 16 - 17 % |
- |
| 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 630 - 800 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 370 - 430 MPa |
- |
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