Wieland-UB5 is complex aluminum bronze that has excellent machinability, high hardness, and high compressive strength. This datasheet provides information on composition, physical properties, hardness, elasticity, and compressive strength. It also includes information on high temperature performance, corrosion and wear resistance as well as forming, heat treating, and machining. Filing Code: Cu-888. Producer or source: Wieland Metals, Inc.. Originally published May 2019, corrected December 2019.