galvanized tube 1)OD12-323mmThickness1-16mm 2)length 4m,6m,9m,12m as designed 3)Grade Q195/235,20G,A106,A53B,ST37-52 galvanized tube1)OD12-323mmThickness1-16mm2)length 4m,6m,9m,12m as designed3)Grade Q195/235,20G,A106,A53B,ST37-524)Packing in bundles bared or with covers by exporting standard5)Shipment in containers or by bulk galvanized tube