High-speed steel is a high hardness, high wear resistance and high heat resistance of tool steel, also known as high-speed tool steel or steel front, commonly known as white steel. High-speed steel is an American FW Taylor and M. Wright created in 1898.
Process performance high speed steel with good strength and toughness, and therefore mainly used to manufacture complex thin bladed and impact of metal cutting tools, can also be manufactured high-temperature bearings and cold extrusion mold. In addition to the use of high-speed steel smelting process of production, has emerged in the 1960s after the powder metallurgy high speed steel, it has the advantage of avoiding the production of melting caused carbide segregation performance degradation caused by mechanical and heat deformation.