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, cold extruding mould, precision measuring tool.2.Delivery conditionConventional or ESR, hot rolling or forging, black surface ...