... :1.5~10metc seamless stainless steel pipe 2011.Material:201, 202, 301(1Cr17Ni17) , 304(0Cr18Ni9) ,304L(00Cr19Ni10) ,321(1Cr18Ni9Ti), TP316l(0Cr17Ni12Mo2) ,316L( ... required.5.Surface finish : annealed , polished , bright6.Usage:Stainless Steel Seamless Pipe is for petroleum, chemical industry, pharmaceutical industry, food industry, boiler ... 2-868*3-10140*3-20630*10-40 seamless stainless steel pipe 201