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.Brush 60 is a high-performance, lower-priced copper beryllium alloy offering cost-effective solutions for many applications such as electronic contacts and springs in the computer, datacom, and telecommunications markets. It is available in mill-hardened tempers.