Galvanized Steel Tube 1.Material:Q195;Q235;Q345,16Mn,API5L,etc 2.Sizes:T:0.4-20MM,OD:12.7-2820MM 3.Delivery:within 15days Galvanized Steel Tube1.Material Q195;Q235;Q345=16Mn,API5L(GRB,X42,X52,X60),etc2.Sizes T:0.4-20MM,OD:12.7-2820MM,L:Random 3.Delivery Time Within 15days after confirmed the order 4.Package Standard Seaworthy Exporting Packing 5.Usage Many Fields