Bainidur® 7980 CN
Bainidur® 7980 CN introduction
Bainidur® 7980 CN is specially designed for case hardening and carbo-nitriding. The steel is a lowalloyed steel with a bainitic structure at ambient temperature. Usually the hardness values are between 36 and 40 HRC.
Bainidur® 7980 CN is an optimum solution for a lot of applications regarding economic, mechanical properties and process stability. Fields of applications are gears especially for e-mobility with high torque or large gears in wind mills. The newly developed Bainidur® 7980 CN is characterized by the following properties:
Good processability with LPBF.
High strength and toughness.
Excellent case hardening and carbonitriding properties
Equivalent material: DIN 1.7980, DIN 18MnCrMoV4-8-7
Bainidur® 7980 CN general
| Property |
Value |
| Density |
Density of 7.79 g/cm³ |
Bainidur® 7980 CN thermal
| Property |
Value |
| Specific heat capacity |
Specific heat capacity of 460 J/(kg·K) |
| Thermal conductivity |
Thermal conductivity of 44.5 W/(m·K) |
Bainidur® 7980 CN chemical
| Property |
Value |
| Carbon |
Carbon of 0.12 - 0.22 % |
| Chromium |
Chromium of 1.8 - 2.5 % |
| Iron |
Balance |
| Manganese |
Manganese of 0.5 - 1.5 % |
| Molybdenum |
Molybdenum of 0.5 - 1.5 % |
| Silicon |
Silicon of 0.3 - 1 % |
| Vanadium |
Vanadium of 0.05 - 0.35 % |
Bainidur® 7980 CN mechanical
| Property |
Value |
| Charpy impact energy, V-notch |
Charpy impact energy, V-notch of 20 - 50 J |
| Elastic modulus |
Elastic modulus of 205 GPa |
| Hardness, Rockwell C |
Hardness, Rockwell C of 36 - 40 [-] |
| Tensile strength |
Tensile strength of 1000 - 1300 MPa |
| Yield strength |
Yield strength of 600 - 900 MPa |
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