Doncasters Superalloys of Long Beach (aka, CAPI) is a producer of master melt vacuum and air melted nickel, cobalt, and iron base alloys for precision investment casting and related industries, for aerospace, IGT, automotive, and commercial applications. Superalloys of Long Beach utilizes vacuum induction melting with furnace capacities ranging from less than 500 to over 16,000 lbs. per heat.