MANUFACTURING TECHNOLOGY FOR AUTOMOBILE SERVICE ELECTRIC WELD STEEL TUBES

Steel tubes for automobile purpose vary in their shape,strength and accuracy according to different services.To meet the requirements for category,size and quality of the tubes,it is a must to have advanced manufacturing technology,complete process flow and testing/inspecting facilities as well as stringent quality assurance program.Briefly introduced in the paper are such aspects concerning the hi-frequency electric welded tubes as categories, guantity demanded technical criteria,manufacturing process and techniques for quality control.