... mm25mm,28mm,30mm,31.8mm,36mm,38mm,48mm,50mm,60mm,63mm,76mm,89mm,102mm,114mm,129mm,133mm ... mm25mm,28mm,30mm,31.8mm,36mm,38mm,48mm,50mm,60mm,63mm,76mm,89mm,102mm,114mm,129mm,133mm ... and coils, welded pipe 2) Type: Round, Square, Rectangular, Embossed, Threaded and customers' requests available. 3) Grade: ... 9.5--219mm, thickness 0.25--3.0mm;Rectangular, Square Tube: 12mm*12mm----100mm*100mm, thickness 0.25--3 ...