... production experiences 2.Black or machined surface Cold Work Tool Steel Cr12,D3, SKD1 ,1.2080Characteristics:1.A kind of widely ... all kinds of complex shape hot work tool steel in heavy running condition.4.After repeated explorations and testing, we ... not only provide electric furnace +LF+VD and electroslag re-melting(ESR)steel forging materials, but also forging products of piece, bar ...