Dynalloy 6731 (formerly Mueller alloy 603) is a forgeable bearing bronze having excellent mechanical and wear properties for gears and bearings, combined with good machinability. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-180. Producer or source: Mueller Brass Company.