... often less than other manufacturing tooling costs.2.Elimination of material waste : Investment castings are essentially cast to size, thus ... 300 – 400 SeriesZincto 2,000 lbs.All zinc alloys Material Grey iron,ductile iron,malleable iron,stainless steel, carbon ... steel,aluminum,brass etc.standardDIN, ASTM, BS, JIS etc.processsand casting,resin bonded casting, investment casting(lost wax ...