Cobalt Alloys Grade: Co 6 VS Co 6B VS Co 6K
2022-05-19 13:32Cobalt Alloy 6 is the most widely used of the wear resistance cobalt-based alloy and exhibits good all-round performance.
Cobalt alloys are available in many different grades (chemical compositions) and several different processes ormethods of manufacture. These different processes include casting, powder metallurgy, and wrought. For wrought grade, there is Co 6B and Co 6K.
The chemical composition and physical property of Co 6, Co 6B and Co 6K.
| Brand and NO. | C | Mn | Si | Cr | Ni | Mo | W | Co | Fe | Density | Hardness |
| Co 6 | 0.9-1.4 | 1.0 | 1.5 | 27-31 | 3.0 | 1.5 | 3.5-5.5 | Bal. | 3.0 | 8.35 | 38-44 |
| Co 6B | 0.9-1.4 | 2.0 | 2.0 | 28-32 | 3.0 | 1.5 | 3.5-5.5 | Bal. | 3.0 | 8.3 | 36-42 |
| Co 6K | 1.4-1.9 | 1.0 | 1.5 | 27-31 | 3.0 | 1.5 | 3.5-5.5 | Bal. | 3.0 | 8.4 | 44-58 |
We can supply Co 6, Co 6B and Co 6K sheets, plates or round bars according to your requirements.
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