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