Alibaba China wholesale conduit Product Description Size: 1/2'' 3/4'' 1'' 1-1/4'' 1-1/2'' 2'' 2-1/2'' 3'' 3-1/2'' 4'' Unit price:USD0.6888 to USD11.25 Raw Material: Q195 Steel Surface: Hot Galvanized or Hot Dip Galvanized. Feature: Surface treatment is smooth, have good resistant to corrosion. Certification: UL approved. EMT Conduit UL standard Galvanzied IMC Conduit Contact us if you need more details on Conduit. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Schedule 40 Carbon Steel Pipe、Schedule 40 Black Steel Pipe. If these products fail to match your need, please contact us and we would like to provide relevant information.