... Stainless Steel Flange 2) Dual certified to ASME/ASTM SA/A182 and EN10222-5 or DIN17440 3) EN10204 3.1 Certificate ... 4301, 1.4306(1.4307), 1.4401, 1.4404 and 1.4541, 1.4571etc.ASTM A182 F304, ASTM A182 F304L ... , ASTM A182 F316, ASTM A182 F316L, ASTM SA/A 182 F316Ti, ASTM A182 F321 etc.SUS F304, SUS ... Flange2) EN 1092-1 Flanges TYPE 01, 02, 05 and 11 Flanges3)DIN 2527 (PN6-PN100),DIN 2533, DIN ...