this kind sow mold is used for Aluminum metallurgy industry. Pouring liquid Aluminnum metal into the mold,and then when it comes cold, Aluminnum lump is finished. The CSM offers several varieties and sizes of Sow Molds ranging from 800 lb to 2000 lb Aluminum Capacity. Many Molds can be purchased in a Plain Style, with Runners, or with Fork Slots. Most Molds are available in Cast Iron, Ductile Iron, Cast Steel 1028, and Cast Steel 8630. Patterns and Molds can also be made to fit your specific specifications. Iron and Zinc molds are also available. New and Used Sow Molds can be purchased.