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. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: Cu-487. Producer or source: Copper alloy foundries. See also Alloy Digest Cu-475, April 1984.