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. 330 is a brass containing nominally 0.5% lead. It has good machinability, excellent cold-working properties, and a wide range of uses including general purposes, industrial applications, munitions and plumbing.