W18Cr4V High speed steel Flat bar - strict quality control - competitive price - just- ... , hot-worked die, plastic die, non-magnet die steelDalian Precision CompanySquare Steellength of sided12-250Hot-rolling, annealing, pre-hardeningCold-worked ... 25Cr2MoV,38CrMoAl,40Cr,etc GB3077high speed steelW6Mo5Cr4V, W18Cr4VM2 GB9943Carbon steel20, 35, 40, 50, 55, 60 ect GB699 W18Cr4V High speed steel Flat Bar