... . 2,advanced testing equipment. 3,competitive price . stainless steel pipe 3091.ASTM,DIN,JIS,EN,KS,ASMEASTM (ASME) SA/A213 ... ,316Ti,321,347h,904l201,2023.stainless steel pipe 309 polished,annealing. stainless steel pipe 309 1.Sizes:Diameter:6-610mm Wall ... high-temperature resistant;5. Appilication:mainly used in decoration, for fluid and gas transport; structural and machining6. Certificate: SGS and ...