... resistance and long use life, and it is used to make steel pipe. StandardAISI, ASTM, BS, DIN, GB ... processing equipment, etc;e.) Commercial is mainly used as a material handling, packaging equipment, etc. ... Steel Plate, Cold Rolled Steel Plate, Mild Steel Plate, Structure Steel, difference kind of pipes, Galvanized Steel Pipe, Seamless Steel Pipe, Square/Rectangular Steel Tube, Light/Heavy Steel Rail ...