| Batch Oven | (english) Oven use to bake a number of cores at one time. |
| Bath | (english) Molten metal on the hearth of a furnace, in a crucible, or in a ladle |
| Bath Annealing | (english) Is immersion is a liquid bath (such as molten lead or fused salts) held at an assigned temperature-when a lead bath is used, the process is known as lead annealing. |
| Bauxite | (english) The only commercial ore of aluminum, corresponding essentially to the formula Al2O3xH2O. |
| Bazooka | (english) Performs functions of Galvanneal Furnace; set of torches on wheels used to shoot flames onto a strip to further heat it. |
| BE | (english) Chemical symbol for Beryllium |
| Bead | (english) 1)Half-round cavity in a mold, or half-round projection or molding on a casting, 2) a single deposit of weld metal produced by fusion. |
| Beading | (english) Raising a ridge on sheet metal |
| Beam and Sling | (english) Tackle used in conjunction with a crane for turning over the cope or drag of a mold prior to assembly. |
| Bearing Load | (english) A compressive load supported by a member, usually a tube or collar, along a line where contact is made with a pin, rivet, axle, or shaft. |