... by CMM 5.Smooth surface, Drill and ream holes Cylinder Sand casting is for industrial clutch and brakes. It' ... electromagnetic steel cover, piston, pressure plate, center plate, wear plate, cylinder, impeller, disc etc.3. Nearly 150 varieties of products. Inspection1 ... 4620, 52100, 6120, 6150, 8620Stainless steels & Heat resisting steels 303, 304, 309, 314, 316,316L, 410, 420, 17-4PHIron ( all grades ...