1.Carbon Steel Forged Long Weld Neck Flange 2.Material: carbon steel 3.Standard: ANSI, ... ASTM, BS, etc 4.Size:DN15-DN2 Carbon Steel Forged Long Weld Neck Flange All the products mainly export to European ... ,Japan, Korea, etc1)Materials : ASTM A105,DIN ST37.2, ASTM A182- F304 F304L, F316,F316L,F321 ,ASTM A350 ,ASTM A181, Q235 ... JIS, EN, GB and customer's request. Carbon Steel Forged Long Weld Neck Flange