... ) Standard:ASTM A554, ISO9000 4) Product range:a) Round tube and embossed tube : O. D. mm9.5 , 12.7 , 15. ... 114 , 127 , 133 , 141 , 159 , 168, 219 b) Square tube side length , mm : 10*10 , 12*12 , 15*15 , ... wall thickness : 0.25 - 3.0mm 5) Length of tube: 3000 - 8000 mm 6) Polishing:600 grit , 400 ... to be paid at delivery .8) Packing :Every tube is sleeved in plastic bag individually , then several tubes ...