Wieland-K57 (UNS C70350) is copper alloyed with low nickel for good fabricability for parts in the electrical industry. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and bend strength as well as fatigue. It also includes information on high temperature performance and corrosion resistance as well as joining. Filing Code: Cu-899. Producer or source: Wieland Metals, Inc..