... manufacturing tooling costs.2.Elimination of material waste : Investment castings are essentially cast to size, thus decreasing the ... finish of about 125 RMS is common for an investment casting. Metals PouredMelting CapacityTypical Alloys PouredAluminum1,500 lbs. ... ASTM, BS, JIS etc.processsand casting,resin bonded casting, investment casting(lost wax casting), die casting, pressing & forging.Weight ...