high-speed steel

noun

Definition of high-speed steel

: an alloy tool steel which when heat-treated retains much of its hardness and toughness at red heat thus enabling tools made of it to cut at high speeds even though red-hot through friction

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Cite this Entry

“High-speed steel.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/high-speed%20steel. Accessed 12 December 2019.

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