Metal is poured in resultant cavity. A specialized processs usually performed in foundrys not used for other processes. Aluminum, Zinc, Magnesium, and limited Copper Base Not normally over 3 feet sq. Some foundrys capable of larger sizes. Parts Good Poorest Very widely used for high production of aluminum and zinc castings.
Cores can be metal, sand, shell or other.
Primarily Aluminum with some Copper Base and Cast Iron. Limitation mainly foundry capabilities. To 100 lbs. Is normally less expensive than sand casting for 100's part or a few 1000 parts. Limited applicability for ferrous metals.