Ampcoloy 666 is a manganese-bronze alloy developed for long wearing applications in bushings, gears, cams, etc. It has good non-galling characteristics, good corrosion resistance, and good mechanical properties. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-197. Producer or source: Ampco Metal Inc..