... thermoplasticity M2,W6Mo5Cr4V2,JIS SKH51,NF HS6-5-2,DIN 1.3343s1.Chemical composition CSiMnCrWMoVPS0.80-0.900.20-0.450.15-0.403 ... 's requirement of chemical composition,physical properties and mechanical testing. 9.MOQ: 10 tons 10. Certificate: ISO9001:2008 M2,W6Mo5Cr4V2,JIS SKH51,DIN 1.3343s