D2 tool steel 1.size range:50-380mm 2.EA acco F/ESR+Forged +Annealed+Grinded/Machined 3.UT to En1921d/d 4.delivery:45day D2 tool steelSteel GradeGBAISIDINJISCr12Mo1V1D2X155CrVMo121(1.2379)SKD11 Advantages:It is used for the manufacturing of complex shape of punch die, cold extruding die, roll threading round, fell thread plate, cold shear knives and precise measuring instruments.Compositon(%) ...