We could supply all kind of flanges, and we also could make flanges to customer's special drawing. Features1. Type: Slip-on type, blind flange, socket welding flange, Ring type joint flange,slip-on butt welding flanges, high-pressure flanges, threaded flange and so on2. Standard: DIN, ANSI B16.5, BS4504, JIS, GB, JB3. Material: ASTM : A105, A350(LF1,LF2,LF3), A182 , F321, F304,F304L,F316,F316L, ...