S355 Structural Square Steel Pipe

S355 Structural Square Steel Pipe Quick Detail: SHS Steel Pipe/Tube SHS Welded Steel Pipe/Tube Square Welded Steel Piping / Tubing SHS Hot Rolled ERW Steel Piping Outer Diameter /O.D/mm 20mm*20mm - 500mm*500mm Wall Thickness /W.T/mm 1.0-17.75 Section Shape Square 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