Metal Glossary


Bloom, Billet

A rolled or forged semi-finished product intended for further working by re-rolling or forging. Billets are usually square with chamfered or radiused corners.

Related terms: Slab


Bright Annealing

Annealing performed in a furnace with an inert atmosphere so that no scale is formed and the resulting surface has a bright finish.

Related terms: Annealing


BSP Thread , BSP, Whitworth Thread

British Standard Pipe Thread, also called Whitworth Thread, with 14 threads per inch.