EN 10277-5 Grade 30CrMoV9 cold drawn or turned and soft annealed
EN 10277-5 Grade 30CrMoV9 cold drawn or turned and soft annealed introduction
Steel 30 CrMoV 9 is suitable for parts of high strength and ductility requirements at mean and higher heat-treatment sections in vehicle manufacturing, engine and machine engineering (e.g. crankshafts, jointed shafts, spindles). Furthermore application to nitride steel. Lowest application temp. -40 °C.
Equivalent material: DIN 1.7707, AFNOR 30CrMoV9, BS 30CrMoV9, AISI E4340, SAE E4340, EN 30CrMoV9, EN 1.7707, GOST 30Ch3MF, UNS G43406
EN 10277-5 Grade 30CrMoV9 cold drawn or turned and soft annealed general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.8 g/cm³ |
EN 10277-5 Grade 30CrMoV9 cold drawn or turned and soft annealed 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 33.7 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 36.2 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 37.8 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 37.2 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 35.7 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 34 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 32 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 9.4 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 9.4 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 9.2 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 8.5 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 7.6 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 6.6 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 5.4 mm²/s |
- |
EN 10277-5 Grade 30CrMoV9 cold drawn or turned and soft annealed chemical
| Property |
Value |
| Carbon |
Carbon of 0.26 - 0.34 % |
| Chromium |
Chromium of 2.3 - 2.7 % |
| Manganese |
Manganese of 0.4 - 0.7 % |
| Molybdenum |
Molybdenum of 0.15 - 0.25 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.03 % |
| Vanadium |
Vanadium of 0.1 - 0.2 % |
EN 10277-5 Grade 30CrMoV9 cold drawn or turned and soft annealed electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 3.09E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 3.54E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 4.18E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 5.05E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 6.09E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 7.27E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 8.67E-7 Ω·m |
EN 10277-5 Grade 30CrMoV9 cold drawn or turned and soft annealed mechanical
| Property |
Temperature |
Value |
Comment |
| 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 |
- |
| Hardness, Brinell |
20.0 °C |
Hardness, Brinell of 248 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Chromium Molybdenum Steel |
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