View Sample Alloy Digest Data Sheet (PDF)Since 1952, Alloy Digest has been the leading reference for materials property data on metals and alloys used throughout the world. Featuring graphs, charts and tables, these sheets give facts and figures on composition or characterization, physical and mechanical properties, heat treatment, and machinability.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