H13 Hot Work Die Steel Bar 1,forged or rolled 2,black or peeled ... turned 3,UT pass 4,ISO9001 standard H13 Hot Work Die Steel Bar1,forged or rolled2,black or peeled or turned3 ... forging of light metals. Pressure die casting tools,dies,mandrels,punchers, knives, and moulds.Heat Treatment Soft Annealing(°C)CoolingHardness(HB)Hardening ...