1.This kind steel is suitable for conditions involving thermal stresses and countinous cutting. Heavy-duty milling cutters of all kinds, gear cutter, highlystressed twist drills and taps, profile knives, machining of high-strenth material, broaches.
2.It is one of the W-Mo Co hss grade wish good cutting character. The red hardness, hot hardness and wearing resistance are all better than W6Mo5Cr4V2Co5
GB | JIS | ASTM |
W2Mo9Cr4VCo8 | SKH59 | M42 |
EN | BOHLER | ERASTEEL |
1.3247 | S500 | EM42 |