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. C93900 is a cast bronze of fairly low strength. It has good machinability and good resistance to corrosion. Its commercial names formerly used (not recommended) are: (1) High-Leaded Tin Bronze and (2) 79-6-15. Among its uses are bearings for general service and pump bodies.