... in China. 2,advanced testing equipment. 3,competitive price . stainless steel pipe 3091.ASTM,DIN,JIS,EN,KS,ASMEASTM (ASME) SA/A213 ... 316L,316Ti,321,347h,904l201,2023.stainless steel pipe 309 polished,annealing. stainless steel pipe 309 1.Sizes:Diameter:6-610mm Wall Thickness:0.5-60mmO.D:3/8",1 ... , 40/40S, 80/80S, 120/120S, 160/160S,acc. to ANSI B36.19/36.102. Surface finish: pickling, annealing, manual ...