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 Alloy No. C34000 is a medium-leaded brass characterized by an excellent combination of free-machining and cold-working properties. It is intended for screw-machine applications where excellent thread-rolling, knurling, machining and cold-forming properties are required. Among its many applications are gears, nuts, rivets, screws and threaded connectors.