AISI M-4

Very tough. Better wear resistance than M-2.

Typical Chemistry
Carbon 1.30%
Manganese 0.30%
Chromium 4.00%
Vanadium 4.00%
Silicon 0.30%
Tungsten 5.50%
Molybdenum 4.50%
Sulfur 0.03

Typical Hardness
Rc 63-65.5


Please click here for comparison graph.

AISI M-2 | AISI M-4 | AISI M-42 | AISI T-15 | CPM 10V* | Micro-Melt Maxamet** | AISI 440C SS | AISI A-2 | AISI D-2 | Other

* Trademark of Crucible Materials Corp, Syracuse, NY.
** Registered trademark of CRS Holdings Inc., a subsidiary of Carpenter Technology Corporation.
 
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