... Iron (ASTM-A48; Class 25~45-gray iron casting; ASTM-ductile iron castings)2. cast Steel (carbon castings; allow castings; stainless ... machine,Grinding machine,Planer and so on. PROCESSMATERIALSTANDARDSANDCASTINGGreen SandGrey Iron, Ductile Iron, Malleable Iron, Stanless Steel, Carbon, Steel, Aluminium,Brass, ... specification drawings: Pro/E, Auto CAD, Solidwork, CAXA, UG. etc. hardware hand wheel