Raw materials | The finished product processing equiremented |
38CrMoAIA, SACM645 | Nitriding treatment |
Cr12MoV, Cr12 | Alloy steel,high frequency quenching |
38CrMoAIA,SACM645, 40Cr,AISI4140,42CrMo | Bimetllic of the inner centrifugal casting |
GHII3 | nature hard after high temperature |