... , bronze, carbon steel, stainless steel, and irons both gray and ductile to name a few.Casting weight can vary from ounces ... to be made of Aluminum, Brass, Bronze, Steel Alloys, Ductile Iron, Grey Iron & Zinc. Typically metal match plates are used for the high ... idea of how the process is completed.Process Chart: Galvanizing Ductile Iron Investment Casting Parts