... -A554 welded pipe: 1.Grade:201,202,301,304,316L,etc 2.OD:9.53-254mm,TK:0.3-3.0mm 3.WELDED ... :TIG 4.Standard:ASTM-a554 From the nature, To the excellence. Namewelded pipeItemsSquare tubes, round tubes ... welded pipes, special-shaped pipes and etc. Main materials are:304, 201,202,316,316L,430 and so on.ProductProduction LineWarehouse welded pipe ...