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.REPUBLIC 100-AR was developed to provide a minimum yield strength of 100,000 psi in the as-rolled condition. It also has exceptional wear resistance, good toughness and design flexibility.