... Steel,Website:http://www.hhcasting.com, Steel, Ductile Iron, Grey Iron, Aluminum, Bronze, Copper, Brass, and customized material ... based on the custom drawingsDrawing (files) formatIgs, Stp, X-T PDF, Jepg, JpgCapabilities of ProductionAluminum: More than 80 ... and the composition determines the mechanical properties. Ductile iron grades cannot be distinguished by chemistry because the properties ...