EN 10277-5 Grade 50CrMo4 cold drawn or turned and quenched and tempered
EN 10277-5 Grade 50CrMo4 cold drawn or turned and quenched and tempered introduction
Steel 50 CrMo 4 is suitable for high loaded parts (also heavy forged parts) of very favorable core qualities in vehicle manufacturing, engine and machine engineering (e.g. transmission shafts, gear wheels, pinions). Lowest application temp. -40 °C.
Equivalent material: BS 708A47, ISO 50CrMo4, ASTM 5150, DIN 1.7228, AFNOR 50CrMo4, BS 708M40, BS 50CrMo4, AISI 4150, AISI 4147H, AISI 4150H, AISI 8650H, AISI 4147, AISI 8650, SAE 4150, SAE 4147H, SAE 4150H, SAE 8650H, SAE 4147, SAE 8650, JIS SCM445, JIS SCM445H, EN 50CrMo4, EN 1.7228, GOST 50Ch, GB ZG50CrMo, GB C44500, GB ZG50Cr1Mo, ASTM 4150, ASTM 8650H, ASTM 4147, UNS G41500, UNS H41470, UNS H41500, UNS H86500, UNS G41470, DIN 1.7232, EN 1.7232
EN 10277-5 Grade 50CrMo4 cold drawn or turned and quenched and tempered general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.83 g/cm³ |
EN 10277-5 Grade 50CrMo4 cold drawn or turned and quenched and tempered thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
-100.0 °C |
Coefficient of thermal expansion of 1.05E-5 1/K |
- |
| - |
20.0 °C |
Coefficient of thermal expansion of 1.15E-5 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1.21E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.27E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.32E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.36E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.4E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.44E-5 1/K |
- |
| Max service temperature, long |
- |
Max service temperature, long of -40 - 0 °C |
- |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Chromium Molybdenum 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 45.1 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 45.1 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 44.1 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 41.9 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 39.4 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 36.9 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 34.4 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 12.5 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 11.6 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 10.6 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 9.5 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 8.4 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 50CrMo4 cold drawn or turned and quenched and tempered chemical
| Property |
Value |
| Carbon |
Carbon of 0.46 - 0.54 % |
| Chromium |
Chromium of 0.9 - 1.2 % |
| Manganese |
Manganese of 0.5 - 0.8 % |
| Molybdenum |
Molybdenum of 0.15 - 0.3 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.03 % |
EN 10277-5 Grade 50CrMo4 cold drawn or turned and quenched and tempered electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 2.31E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 2.84E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.58E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.48E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.52E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.71E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 8.06E-7 Ω·m |
EN 10277-5 Grade 50CrMo4 cold drawn or turned and quenched and tempered mechanical
| Property |
Temperature |
Value |
| 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 9 - 12 % |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.28 [-] |
| Reduction of area |
20.0 °C |
Reduction of area of 40 - 50 % |
| Tensile strength |
20.0 °C |
Tensile strength of 900 - 1300 MPa |
| Yield strength |
20.0 °C |
Yield strength of 700 - 900 MPa |
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