brut de forge

Noun

brute de forge (uncountable)

1. A forging technique to shape metal to its final form by working it through forging only, and leaving that as the finished surface, with only sanding or grinding what is necessary for function.
2. (proscribed) Forge texturing, a metal finish, where the finished surface leaves the forge and hammering marks in place without grinding, sanding, polishing it away, except where such activity is necessary.