Wieland-K80 is a high-conductivity copper alloy with an excellent capacity for both cold work and hot forming This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: CU-669. Producer or source: Wieland Metals Inc., Wieland-Werke AG.