... . 4) ISO certificated. Features:Product Stainless Steel Pipes,Duplex Steel PipesSize Seamless Pipes 1/2"-20" Welded Pipes 1/2"-20".Length1M, 2M, 3M, 6M ... ,A269,A312,A213.Material Stainless SteelGrade ANSI TP304,304L,310/S,316,316L,316/316L DUAL GRADE,317L,321,321H,347 ... wrapped Outside,then in wooden cases,or under the client's request.Applications Industries For use in the Pulp and Paper ...