Typical chemical analysis in %: D2/1.2379 Heat treament data Temperature 820-850íµ Duration 2-5h Cooling furnace Hardness ¿Q250HBS Soft annealing Available size range Round bars Dia 30-400mm Flat bars Thickness 30-400mm Width 30-600mm General fields of application Deep drawing tools ,sections susceptible to fracture,shearing Knives,trimming dies,thread rolling tools,woodworking tools, Hobbing tools ,extrusion dies;compression and injection moulds For filled plastics,sprue bushings Similar Grade GB Cr12Mo1V1 AISI D2 JIS SKD11