... , C2800, C68700, C51900, C77000, C75200, C11000, etc.Standard GB/T2059-2000. GB/T2067-1980, GB/T2069-1980, GB/T11089-1989. JISH3100 ... strength, good conductivity and corrosion resistance.Suitable for automatic lathes, CNC lathe processing products, such as hardware, electrical connectors, connector.——C3603—1 ...