C10200 copper coil is an oxygen-free copper (Oxygen-Free Copper, OFC), whose main characteristics are that it does not contain oxygen and deoxidizer residues, has high purity, excellent electrical and thermal conductivity, and good processing and welding properties. This copper alloy is widely used in electrical and industrial fields, such as electrical conductors, electronic components, waveguides, vacuum tubes, cables, electronic seals, etc.