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. 110, generally known as electrolytic tough pitch copper or ETP, is cathode copper remelted and cast with a controlled oxygen content. It is the most important type of copper commercially available and is used by the electrical industry as wire for electrical conductors, bars for bus-bars and commutators and in forms such as sheet, strip, and plate for many architectural and industrial applications.