... . 2,advanced testing equipment. 3,competitive price . stainless steel pipe 3091.ASTM,DIN,JIS,EN,KS,ASMEASTM (ASME) SA ... 321,347h,904l201,2023.stainless steel pipe 309 polished,annealing. stainless steel pipe 309 1.Sizes:Diameter:6-610mm Wall Thickness:0.5 ... 2 1/2",3",3 1/2",4",5",6",8",10",12",14",16",18"W.T:Schedule ... packed in seaworthy --wooden cases or as request. High quality 309 stainless steel pipe