... Iron, Aluminum, Bronze, Copper, Brass, and customized material from clients.Material GradeASTM, DIN, GB, BS, JIS, AISI, NF, etcProcessSand ... high strength and defined engineering properties. While gray cast iron is relatively brittle by comparison with steel, ductile ... tool, and other industries.Machinabilty advantages of continuously cast ductile iron bars over carbon steel bars are the primary ...