... rolledSurface treatmentCopper coatedGalvanizedothersortingStructural pipe, fluid pipe, boiler pipe, oil pipe, gas pipe, API pipe, alloy steel pipe ... 409specificationRoundSquarerectangleThis information has been verified. Product/Service (We Sell):Stainless Steel Plate Product/Service (We Buy):Seamless ... 100 People Structural pipe, fluid pipe, boiler pipe, oil pipe, gas pipe, API pipe, alloy steel pipe, ...