FORGED flange 1.standard:ANSI /API / AWWA / DIN / BS / JIS 2.150LB 300LB 600LB 900LB 150 3.SLIP-ON WELD NECK ... steel flange &forged flanges2)Materials : ASTM A105,DIN ST37.2, ASTM A182- F304 F304L, F316,F316L,F321 ,ASTM A350 ,ASTM A181, Q235, 20#, 20Mn ,16Mn ... , BS.8)All the flanges are according to the ASTM, BS, DIN, JIS, EN, GB and customer's request.Ding Xiang county ...