High speed steel sheet 1. For pressing mold,extrusive mold and tensile mold. 2. Higher toughness high wear resistance High speed steel sheetDie SteelTool ... steel1.Main applicationFor cold work moulds with high precision, long service life requirements, such as punching die, ... different shapes of steels, including square, flat and round. 7Cr7Mo2V2Si High speed steel sheet