stainless steel pipe 1.Certificate:ISO9001:2008 2.High quality and competitive price ... 304L Stainless Steel Pipe304L Stainless Steel Pipe Stainless Steel Tubes & Pipes are divided into square,rectangular and round types with different finishing ... No.4, No.8, 8K, HL(Hair Line) ,Polished4.ShapeRound,rectangular,square5. Applications Petroleum, chemical industry, chemical fiber, smelt, medical machinery ...