Wieland Duro Elmedur B2 is a heat-treatable copper-beryllium alloy. This alloy exhibits high hardness and good electrical conductivity in the age hardened condition. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, and machining. Filing Code: Cu-910. Producer or source: Wieland Duro GmbH.