 
				1.This kind steel is suitable for conditions involving thermal stresses and countinous cutting.
2.Heavy-duty milling cutters of all kinds, gear cutter, highly stressed twist drills,taps,profile knives, machining of high-strenth material and broaches.
3.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 W6Mo5Cr4V2.
| GB | JIS | ASTM | 
| W6Mo5Cr4V2Co5 | SKH55 | M35 | 
| EN | BOHLER | ERASTEEL | 
| 1.324 | S705 | EM35 | 
