Wieland-K55 is a hardenable copper alloy with nickel and silicon. Mill hardened strip is used in connector applications. The alloy is produced under a license from Olin Brass, USA. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: CU-660. Producer or source: Wieland Metals Inc., Wieland-Werke AG.