... type SO WN PL TH SW Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS Material: A105 ... B16.5,ASME B16.48,ASME B16.47,API 590China:GB/T9112~GB/T9124-2000,GB/ ... ,F317,F317L,F347H,F310S,F310H,F321,F321HSuperaustenitic stainless steel:S31254Duplex stainless steel:S31500,S31803(2205),S32304,S32205,S32760,S32750 ... bar,CNC machining,Drilling and Passivating high quality Stainless steel flange, 150~1500class