API spiral Welded Steel Pipe Structural Steel Pipe

API spiral Welded Steel Pipe Structural Steel Pipe         Technique: SAW 　　Surface Treatment: Black/Galvanized/3PE/3PP/Fbe 　　Section Shape: Round 　　Thickness: 1.65 - 60 mm 　　Technical: Lasw, Smls, ERW, SSAW, etc 　　Delivery Time: 15~60 Days Acc. to Order Quantity 　　Type: Welded 　　Material: Carbon Steel 　　Usage: Pipeline Transport, Oil/Gas Drilling, Chemical Industry 　　Grade: API 5L - Gr.B/X42/X46/X52/X60/X70 etc. 　　Outer Diameter: 0.5 - 80 Inch - See more at: http://www.strpipeline.com/product/welded/257.html#sthash.1s6IDtTc.dpuf