www.fotmametals.com sales customized tungsten copper alloy products.Tungsen copper tube is used when a product or part needs to have a high heat resistance, low thermal expansion and high electrical or thermal conductivity. Tungsten copper alloy is used to make engines and electrical devices. It is also used in the fields of aviation and spaceflight. Electrodes, refractory parts, heat sinks, rocket parts and electrical contacts are all made out of tungsten copper alloy. The alloy is also made into sheet metal, tubing and plate metal. Tungsten copper alloy is used to make contacts or both high and low voltage electrical devices, and for high speed steel devices and swiches.