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 Alloy 4851 is a free-machining brass for forgings. It has a good combination of mechanical properties and is used for light-duty bearings. It has good resistance to corrosion in a number of environments, especially marine atmospheres and seawater.