... an investment casting. Metals PouredMelting CapacityTypical Alloys PouredAluminum1,500 lbs.All aluminum alloys including 319, 355, 356, 357, 359, 380, ... Precedent 71Brass, Bronze, and Copper2,000 lbs.Pure copper and all copper-based alloys including Hi-Con, CL2, CL3, Copper ... 2,000 lbs.All zinc alloys Material Grey iron,ductile iron,malleable iron,stainless steel, carbon steel,aluminum,brass etc. ...