... ItemSteel FlangeMaterialCarbon Steel/Stainless Steel/Alloy Steel.StandardGB,JIS,BS,DIN.ANSI/ASTM /API,NF,GOST,EN,ISO and Non standardSize1 ... DIN2673B.S : BS4504 , BS4504, BS1560, BS10Stainless Steel FlangesASTM A 182, ASTM A240 304, 304L, 304H, 309, 310, 310S, 316, 316Ti,316 ... 347H, 409, 410, 410S, 420, 430Carbon Steel FlangesASTM A234, ASTM A105, ASTM A106 etc.1) ANSI B16.5, ASME B16.47 FLANGESize ...