THYRAPID PT 15 ESH is a high-speed tool steel made by the rapid solidification of powder followed by Electro Slag Heating. The high carbon, vanadium and tungsten contents augment high wear resistance and good toughness while cobalt imparts good red hardness This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and bend strength. It also includes information on heat treating and machining. Filing Code: TS-537. Producer or source: Thyssen Specialty Steels Inc.