... /D2/D3 1. Main application Full hardness(HRC52-54)plastic moulds with high polishing and long service life requirements, such as ... Bakelite plastic moulds, Tin,lead,Zn and Al alloy die casting mould(such ... bar, crank, stainless dinner knife), Cu alloy extruded, die casting moulds. 2. Manufacturers Tai Steel 3. Delivery condition Conventional or ESR ...