... less than other manufacturing tooling costs.2.Elimination of material waste : Investment castings are essentially cast to size, ... – 400 SeriesZincto 2,000 lbs.All zinc alloys Material Grey iron,ductile iron,malleable iron,stainless steel, carbon ... investment casting(lost wax casting), die casting, pressing & forging.Weight rangeTo 5000kg is 10000 lbsSurface treatmentpainting, polishing, heat treatment, ...