burgu çeliği

listen to the pronunciation of burgu çeliği
Турецкий язык - Английский Язык
drill steel
A high-grade steel used in tools and dies that is made by fusing low-carbon steel with charcoal or cast iron. Formerly prepared in a graphite crucible, it is now produced in an electric furnace. Also called crucible steel
carbon steel used for rock drills and dowels