... Machining Center 4.Inspected by CMM 5.ISO9001:2000 Oem casting DISC parts used for industrial clutch and brake . ... Punctual delivery time; Currently material for casting: categoryExamplesCarbon steels 1020, 1030, 1040, 1050Low alloy steels 4130, 4140, 4330, 4620, ... , 17-4PHIron ( all grades)Gray iron, Ductile iron, alloy ironAluminumASTM A356, A360, A380, ADC12 etc. OEM disc Casting