... : Polished,Black,Aciding Length: Random or Fixed 430 welded tubeStainless steel is a production which not easy rust, ... rolledCold rolledSurface treatmentCopper coatedGalvanizedothersortingStructural pipe, fluid pipe, boiler pipe, oil pipe, gas pipe, API pipe, alloy steel pipe, carbon steel pipe and so on.Steel ... 317L,309,309S,310,310S,430,409specificationRoundSquarerectangle 430 welded tube