Casting process comparison chart, comparison of casting methods, die castings, investment castings, sand castings

PROSNA, INC. GLOBAL SOURCING
We specialize in the global sourcing of custom manufactured metal parts
COMPARISON CHART OF CASTINGS METHODS

	Sand Molds			Metal Molds		Special Molds
	Green Sand Mold	Dry Sand Mold	Shell Mold	Permanent Mold	Die Mold	Investment Mold	Plaster Mold
Primary Mold Material	Sand + Clay Binder + Moisture	Sand + Oil Binder + Oven Baked	Sand + Resin Binder + Oven Cured	Normally Steel	Hardened Steel	Silica Sand + Special Binder + Air & Oven Cure	Gypsum + Water
Material Cast	Most Metals	Most Metals	Most Metals	Aluminum Brass Bronze Some Iron	Alloys of Aluminum Zinc Magnesium	Special Alloys	Aluminum Brass Bronze Zinc
Surface Finish	Rough RMS 560-900	Rough RMS 300-560	Smooth RMS 120-300	Smooth RMS 200-420	Very Smooth RMS 20-120	Very Smooth RMS 60 - 200	Very Smooth
Accuracy of Casting	Not Very Accurate	Not Very Accurate	Fairly Accurate	Fairly Accurate	Very Accurate	Very Accurate	Fairly Accurate
Normal Weight	Less than 1 Lb to Several Tons	Less than 2 Lb to Several Tons	1/2 Lb to 30 Lbs	Less than 1 Lb to 15 Lbs	Less than 1 Lb to 20 Lbs	Less than 1 Ounce to 20 Lbs	Less than 1 Lb to 20 Lbs
Cost of Mold or Die	Low	Low	Medium	High	High	High	Medium