... -3.0mm 3.WELDED:TIG 4.Standard:ASTM-a554 From the nature, To the excellence. Namewelded pipeItemsSquare tubes, round tubes, oval pipes, special ... stainless steel products, including stainless steel decorative pipes, industrial stainless welded pipes, special-shaped pipes and etc. Main materials are:304 ... , 201,202,316,316L,430 and so on.ProductProduction LineWarehouse welded pipe