... at sight.Application:Extrusion dies and die-casting for alumium,Mandgnesium allay mostly,for copper alloy could usemechaincal press forhing of steel, ... equipment plastic mouldNote:1. According to national standard (GB)for our products, if not, supply according to national standards(GB ... 1050/S50C,20Mn,40Mn. 5. Carbon Tool Steel:T7,T8,T10,T11 6. Alloy Tool Steel:4140/42CrMo4, 4340/40CrNiMoA,51CrV4, ...