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.Copper No. 101 is a wrought oxygen-free, high-conductivity copper for electrical and electronic applications. Its trade designation is OFE (Oxygen Free Electronic) copper.