... requests. Commodity Q195/Q235/Q345 ERW Black Welded Steel Pipe Dimension20-246MMThickness0.6-2.5MMLength5.8 ... building, central air-conditioning pipe, fence, threading pipe, rolling doors, metal frame, support tube, furniture, sports equipment, ... after deposit Other productsgalvanized steel pipe,square/rectangular hollow section,seamless steel pipe, steel strip, steel coil, square bar,flat bar, egual ...