... pcs SO Flang ProductsDIN Flanges,ANSI/ASME/ASTM Flanges,JIS Flanges,ISO Flanges, BS Flanges,EN Flanges ... and ect.Material(Carbon Steel):ASTM A105,20#,Q235,16Mn, ASTM ... F316,316L,1Cr18Ni9Ti,0Cr18Ni9Ti,321,18-8(Alloy Steel): ASTM A182 F1, F5a, F9, F11, F12, F22 ... 15CrMo,12Cr2Mo1,A335P22,St45.8/3StandardDIN,ANSI/ASME/ASTM,JIS,ISO,BS,ENSize11/2”-24”Thickness11.20- ...