COPPER ALLOY No. 226 is a brass containing nominally 87.5% copper. It is used in decorative applications because of its color. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Cu-256. Producer or source: Brass mills.