M6 Cobalt High Speed Steel Composition
M6 Cobalt High Speed Steel is a is a molybdenum-cobalt high speed steel suitable for a wide variety of applications. Cobalt increases the hot hardness which increases cutting efficiency with high tool temperatures.
M6 Cobalt Composition
| C | Si | Mn | P | S | Cr | Mo | V | W | Co |
| .80 | .33 | .15~.40 | .030 | .030 | 4.13 | 5.0 | 1.5 | 4.25 | 12 |