... MOQ: 1pcs(Carbon/Stainless Steel) 5)FOB:1-89$/pcs ANSI Flange ProductsDIN Flanges,ANSI/ASME/ASTM Flanges,JIS ... Alloy Steel): ASTM A182 F1, F5a, F9, F11, F12, F22, F91,A182F12,A182F11,16MnR,Cr5Mo,12Cr1MoV,15CrMo,12Cr2Mo1,A335P22,St45.8/3StandardDIN,ANSI ... F304,304L, F316,316L,1Cr18Ni9Ti,0Cr18Ni9Ti,321,18-8(Alloy Steel): ASTM A182 F1, F5a, F9, F11, F12 ... will get our quick reply! Alloy Steel ANSI Flange