Alloy CuSn5 (UNS C51000) is a high-performance copper alloy. The alloy is characterized by good tensile strength, good electrical conductivity, and very good resistance to stress-corrosion cracking. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on heat treating. Filing Code: Cu-871. Producer or source: Gebr. Kemper GmbH + Company KG Metallwerke.