Large Diameter Pre Galvanized Steel Pipe Rectangular For Construction ASTM A53

Large Diameter Pre Galvanized Steel Pipe Rectangular For Construction ASTM A53 Detail: Outer Diameter /O.D/mm 20*30-50*100 Wall Thickness/ W.T/mm 0.8-2.2 Section Shape Rectangular Zinc Coated /(g/m2) 20-270 Standard ASTM A53, API5L GR.B, DIN2440, GB,BS3604, DIN EN10219 Grade Q195-Q345/ S235/S275/ S355/16Mn/ 20#/45#/ 20MN2/SS41/ A36/A35/ ST37/ST35 Special Pipe Thick Wall Pipe Type Welded Welded Line Type Longitudinal Alloy Or Not Non-alloy Secondary Or Not Non-secondary