HSS High Speed Steel

Production Process:

High speed steel is an alloy steel with high hardness, wear resistance and high temperature resistance, which is widely used in various cutting tools and knives, including turning tools, milling cutters, drills and saw blades. Similar to high-speed and high-carbon steels, heat treatment is used to increase the hardness of the tool by quenching and maintain moderate toughness by tempering.


High-speed steel is refined with tungsten, chromium, molybdenum, cobalt, vanadium and other metal elements, and its Rockwell hardness reaches (HRC60) at room temperature. Its high-temperature strength is greatly improved compared to high-carbon steel, and its Rockwell hardness can be maintained at about (HRC40) or above at 600 degrees Celsius, and the blade can still remain sharp, while high-carbon steel has been significantly softened at the same temperature and lost its cutting ability.

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