Phosphor bronze is a copper alloy, mainly composed of copper, tin and a small amount of phosphorus. Different grades are distinguished by their chemical composition and use. The following are some common phosphor bronze grades and their characteristics: These grades of phosphor bronze are widely used in electronics, electrical, machinery and shipbuilding due to their different chemical composition and mechanical properties. When choosing the right phosphor bronze material, the appropriate grade should be determined according to the specific application requirements.