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.Mueller 6730 is a forgeable (leaded) bronze bearing alloy possesing good machinability for use with hard or soft mating members where moderate strength will suffice. It is recommended for gears, pump parts, thrust bearings, valve seats, etc.