seamless stainless steel pipe 201 Material:201, ... 202,301,304,304L etc. O.D.:6~830mm Thickness:0.5-45mm Length:1.5~10metc seamless ... stainless steel pipe 2011.Material:201, 202, 301(1Cr17Ni17) ... finish : annealed , polished , bright6.Usage:Stainless Steel Seamless Pipe is for petroleum, chemical industry, pharmaceutical industry, ...