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.REVERE No. 240 is a highly leaded brass combining free-machining characteristics with good mechanical and corrosion resistant properties suited to high-speed production in automatic screw machines.