... 25~45-gray iron casting; ASTM-ductile iron castings)2. cast Steel (carbon castings; allow castings; stainless steel castings)3.cast ... Milling machine,Grinding machine,Planer and so on.PROCESSMATERIALSTANDARDSANDCASTINGGreen SandGrey Iron, Ductile Iron, Malleable Iron, Stanless Steel, Carbon, Steel, Aluminium ... .4) OEM service, you demand is our pursued.5) ISO quality control6) Standard: ASTM BS JIN DIN ...