- carburising flame
- GB <join> (setting of a gas welding torch) ■ Flamme mit Acetylenüberschuss f
English-german technical dictionary. 2013.
English-german technical dictionary. 2013.
Case hardening — or surface hardening is the process of hardening the surface of a metal, often a low carbon steel, by infusing elements into the material s surface, forming a thin layer of a harder alloy. Case hardening is usually done after the part in question … Wikipedia