PROMET No. 3 is a leaded tin bronze possessing a good combination of physical properties and corrosion resistance. It is recommended for bearings, gears, pump bodies and impellers. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive strength. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: Cu-192. Producer or source: American Crucible Products Company.