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.ACCURATE METAL is a copper-nickel alloy having high strength, ductility and corrosion resistance. It was especially designed for exacting electronic and electrical applications.