high-speed steel

American  

noun

1. an especially hard, heat-resistant steel for use in lathe tools and for other applications involving high friction and wear.

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high-speed steel British  

noun

1. any of various steels that retain their hardness at high temperatures and are thus suitable for making tools used on lathes and other high-speed machines

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Etymology

Origin of high-speed steel

First recorded in 1925–30

Example Sentences

For annealing high-speed steel, some makers recommend using ground mica, charcoal, lime, fine dry ashes or lake sand as a packing in the annealing boxes.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)

The rolling of high-speed steel is an art known to very few.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)

A larger furnace for high-speed steel is given in Fig.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)

The manganese and silicon contents are relatively unimportant in the percentages usually found in high-speed steel.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)

Special points of caution to be observed when hardening high-speed steel.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)