Flange Standard:ANSI,JIS,DIN,UNI,BS Specification:DN10~DN3000 Material: SF440, 304, 304L, 316, ... 80"(DN2000).We can supply above-mentioned standard flanges of ANSI, DIN, BS, JIS, UNI, NS and AS, GB, HB, ... JB, etc. 1)Standard: ANSI, JIS, DIN, UNI, BS2)Specification:DN10~ ... 316, 316L,A105, SS400, S235, Q235;4)ANSI Standard:a) ASTM ANSI B16.5, ASA, API-605, AWWA-c207, MSS ...