UNS C42500 is a copper-zinc-tin alloy suitable for electrical switches and springs, fuse and pen clips, and weather stripping. It can be cold worked readily by conventional processes. 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, machining, and joining. Filing Code: Cu-539. Producer or source: Brass mills.

Alloy CuSn3Zn9 (UNS C42500) is a bronze alloy. Typical uses include electrical devices, switching elements, connectors and terminals, fuse clips, pen clips, and weather stripping. This datasheet provides information on composition, physical properties, hardness, tensile properties, and bend strength. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-881. Producer or source: Gebr. Kemper GmbH + Company KG Metallwerke.

Luvata C425 is a copper alloy with good spring properties and good electrical and thermal conductivity used in electrical contacts. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and bend strength. It also includes information on forming, heat treating, machining, and joining. Filing Code: CU-764. Producer or source: Luvata Sales (USA) Inc.

Wieland-S12 has good cold working properties. Spring properties are higher than phosphor bronzes and stress-corrosion cracking (SCC) sensitivity is lower than that of copper-zinc alloys. Applications include connectors in the automobile industry. 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, heat treating, and joining. Filing Code: CU-723. Producer or source: Wieland Metals Inc., Wieland-Werke AG.

Olin C654 is a 95.4Cu-3.0Si-1.5Sn-0.1Cr bronze alloy with high strength, good formability, and stress-relaxation resistance. Uses include springs and connectors. 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-647. Producer or source: Olin Brass.

WRM alloy 4252 is a modified copper-zinc-tin alloy similar to C42500 (see Alloy Digest Cu-280, June 1974), with improved conductivity, strength, and forming properties. This datasheet provides information on composition, physical properties, and tensile properties. Filing Code: CU-619. Producer or source: Waterbury Rolling Mills Inc.

WRM alloy 4222 is a copper-zinc alloy of the tin-brass family with a good combination of conductivity, strength, and forming characteristics. A typical application is in high-performance conductive springs. This datasheet provides information on composition, physical properties, tensile properties. and bend strength. It also includes information on forming. Filing Code: CU-639. Producer or source: Waterbury Rolling Mills Inc.