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.Magnolia B-1 is one of the new lead-free copper alloys. It machines easier than the leaded SAE 660 alloy that it was designed to duplicate. The alloy has been given U.S. Patent No. 5,413,756.