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 PM4 ESH is manufactured by the rapid solidification of powder and augmented by Electro Slag Heating. Good wear resistance and toughness lead to cold work punch and die applications.