... 7005-1-1992EU:BS EN 1092-1-2008Material:Austenitic stainless steel:F304,F304L,F304H,F316,F316L,F316H,F317,F317L ... ,F347H,F310S,F310H,F321,F321HSuperaustenitic stainless steel:S31254Duplex stainless steel:S31500,S31803(2205),S32304,S32205,S32760,S32750 ... .0MPa)Technics:Hot die forging from round bar,CNC machining,Drilling and Passivating high quality Stainless steel flange, 150~1500class