CPM-M4
CPM-M4 is a powder-metallurgical high-performance tool steel that offers excellent edge retention and stability. Due to its chromium content of just 4%, it is quite susceptible to corrosion and might show rust just from being carried in a pocket.
| Origin: | USA |
| Carbon (%): | 1,4 |
| Chrome (%): | 4 |
| Molybdenum (%): | 5,25 |
| Manganese (%): | 0,3 |
| Silicon (%): | 0,55 |
| Copper (%): | 0,06 |
| Wolfram (%): | 5,5 |
| Rockwell (HRC): | 60-62 |