... Center 4.Inspected by CMM 5.Smooth surface, Machined Sand casting pressure plate used for industrial clutch and brakes. The ... annual productions are over 2000 tons. ProductIntroduction1. Material:Ductile cast iron: QT400-15, QT450-10, QT500-7, QT550-6, QT600 ... 17-4PHIron ( all grades)Gray iron, Ductile iron, alloy ironAluminumASTM A356, A360, A380, ADC12 etc.1.Sand casting 20112.Gravity pouring,3.CNC ...