... time: 30-45 days Die Steel Round Bar Cr12/SKD1/D3/1.2080 :Hot rolling round bar: Diameter 8mm---32mm ... W6Mo5Cr4V2 (GB), it is similar to M2( ASTM), S6-5-2(DIN), SKH51(JIS)Chemical Composition: C 0.85, Si 0 ... W6Mo5Cr4V2 (GB), it is similar to M2( ASTM), S6-5-2(DIN), SKH51(JIS)Chemical Composition: C 0.85, Si 0 ... (GB), it is similar to M2( ASTM), S6-5-2(DIN), SKH51(JIS)Chemical Composition: C 0.85, Si 0 ...