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. 102 is a wrought oxygen-free high-conductivity copper. Its trade designation is OF (Oxygen Free) copper. It can be fabricated by all the conventional methods and is used widely for bus bars, bus conductors and other electrical conductors.