Alloy CuSn6 (UNS C51900) is a high-performance copper alloy. Typical uses include components for the electronics industry such as connector springs, relays, leaf springs, and switches as well as machine parts. This datasheet provides information on composition, physical properties, hardness, tensile properties, and bend strength. It also includes information on corrosion resistance as well as forming and joining. Filing Code: Cu-873. Producer or source: Gebr. Kemper GmbH + Company KG Metallwerke.