... (A,B plate 1730,2311,2312,P20 )Material main core and cavity insertDIN2312,2738,2344,718,S136,8407,NAK80,SKD61 ... ,H13Hardness of steel46~56HRCMaterial for Slider ,Lifter and all sub insert use1.2767 HRCCavitySingle-cavity ,Multi- ... outer housings, washbasins, buckets, sinks and tire covers. cartridge series mouldWe have our own factory for manufacturing. High quality equipments ...