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.RIVERSIDE No. 4 is a spring quality nickel silver alloy having high resistance to corrosion and tarnish. It is used primarily for springs and electrical resistances.