... /SKD11 2. high carbon, high chromium, molybdenum D2/1.2379 Die SteelHigh speed steelTool steel sheet Steel Grade: Cr12Mo1V1, D2, 1 ... hardness: 62-63 561) Delivery condition: EAF&ESR, Hot rolled&forging, black surface, machined/milled surface, Annealing, Hardness: HBS=207~2552 ... mould, cold squeezing mould and circular saw. D2/1.2379 Die Steel