EN 10277-5 Grade 42CrMoS4 cold drawn
EN 10277-5 Grade 42CrMoS4 cold drawn introduction
Steel 42 CrMoS 4 is suitable for high loaded parts of high wear resistance and very favorable core qualities as well as enhanced workability in vehicle manufacturing, engine and machine engineering (e.g. crankshafts, pinions, balancer shafts). The steel has a high specific static and dynamic load resistance. Lowest application temp. -40 °C.
Equivalent material: AFNOR 42CD4u, BS 708M40, ISO 42CrMoS4, UNI 42CrMo4, SS 2244, UNE 40CrM4-1, DIN 1.7227, AISI 4140, SAE 4140, EN 42CrMoS4, EN 1.7227, ASTM Grade B7, ASTM Grade 12, ASTM Grade 7M, UNS G41400
EN 10277-5 Grade 42CrMoS4 cold drawn general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Chromium Molybdenum Steel |
EN 10277-5 Grade 42CrMoS4 cold drawn thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1.1E-5 - 1.4E-5 1/K |
Typical for Chromium Molybdenum Steel |
| 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 |
23.0 °C |
Specific heat capacity of 448 - 502 J/(kg·K) |
Typical for Chromium Molybdenum Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 36 - 43 W/(m·K) |
Typical for Chromium Molybdenum Steel |
EN 10277-5 Grade 42CrMoS4 cold drawn chemical
| Property |
Value |
| Carbon |
Carbon of 0.38 - 0.45 % |
| Chromium |
Chromium of 0.9 - 1.2 % |
| Manganese |
Manganese of 0.6 - 0.9 % |
| Molybdenum |
Molybdenum of 0.15 - 0.3 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.02 - 0.035 % |
EN 10277-5 Grade 42CrMoS4 cold drawn mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Chromium Molybdenum Steel |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.28 [-] |
- |
| Tensile strength |
20.0 °C |
Tensile strength of 940 - 980 MPa |
- |
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