drillsteel

drillsteel
drill steel n.
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.

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Universalium. 2010.

Игры ⚽ Поможем написать курсовую

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