... , F316, F316L, F321, F316 Ti, Etc1.4301,1.4306,1.4401,1.4404,1.4541,1.4571,EtcSUS F304, F304L, F316, F316L, F321, ... F316 Ti, EtcMainly Flange Standards we Produced and Supplied:1) DIN 2527 (PN6, PN10, PN16 PN25, PN40),DIN 2533 ... , DIN 2573 PN 6, DIN 2576 PN10 ,DIN 2631 PN6, DIN 2632 PN10, ... F/H Flange, BS 4504 Flange5) DIN EN 1092-1 Flange 6) AS2129 Flange EN1092 ...