... 2343, SKD61, 45#steel, etc.Heat treatmentHardened, NitridingHardnessHRC50~55 Mould featureAdvanced design, Novel structure, High precision, Quality materials, ... Long lifetime, Short delivery time EquipmentsCNC precision mould engraving machine, CNC forming machine CNC turning, EDM, ... with different materials,such as brass,aluminum alloy,steel,stainless steel,zinc alloy.3.our strong R&D and ...