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. C40800 is brass with an addition of tin (nominally 2%). It can be machined and formed successfully. It can be joined by several methods and as good resistance to corrosion. A typical use is electrical connectors but it also can be used for bushings, washers and costume jewelry.