Casting Furnaces SV Seeker
Casting Furnaces. The size and temperature capability of your furnace should meet your needs. Most of my is done in aluminum which melts at 1300F. ... So your foundry gets built around the crucible. An A30 crucible is about 8 5/8" diameter and 11 1/2" tall and can hold 66 pounds of brass, 21 pounds of aluminum. ... ...