... CMM 5.Smooth surface, Drill and ream holes Cylinder Sand casting is for industrial clutch and brakes. It's LKB style, ... annual productions are over 2000 tons. ProductIntroduction1. Material:Ductile cast iron: QT400-15, QT450-10, QT500-7, QT550-6, ... , 410, 420, 17-4PHIron ( all grades)Gray iron, Ductile iron, alloy ironAluminumASTM A356, A360, A380, ADC12 etc. Cylinder Sand Casting for industrial clutch