NOUN
- an alloy steel that remains hard at a red heat; used to make metal-cutting tools
How To Use high-speed steel In A Sentence
- Cobalt is used in high-speed steels and increases the red hardness so that they can be used at higher operating temperatures.
- Tool materials may be high-speed steel, cast alloy, or tungsten carbide.
- At the low end you have blades made from high-speed steel with only around 10 to 12 teeth.