Sealing type SO WN PL TH SW Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS Material: ... ,F316H,F317,F317L,F347H,F310S,F310H,F321,F321HSuperaustenitic stainless steel:S31254Duplex stainless steel:S31500,S31803(2205),S32304,S32205,S32760,S32750,HDRCopper ... .6MPa—42.0MPa)Technics:Hot die forging from round bar,CNC machining,Drilling and Passivating high quality Stainless steel flange, 150~1500class