Brass rod: The tin content of Xinxi tin bronze is between 3% and 14%, which is used to make elastic components and wear-resistant machine. The content of tin in deformed tin bronze is not more than 8%. Occasionally, elements such as phosphorus, lead and zinc are added. Phosphorus is an excellent deoxidizer, and it can also improve sports and wear resistance. Lead can improve the machinability and wear resistance of tin bronze, and zinc can improve the casting effect. These alloys have high mechanical efficiency, wear reduction and corrosion resistance, easy cutting, good brazing and welding effect, low compression coefficient and no magnetism. Bronze bushing, bushing and antimagnetic components can be prepared by wire flame spraying and arc spraying. Dimensions and specifications are 1.6mm and 2.3mm [1]