carbon steel flange 1.standard:ANSI /API / AWWA / DIN / BS / ... 900LB 150 3.SLIP-ON WELD NECK BLIND 1)Name: carbon steel flange &forged flanges2)Materials : ASTM A105,DIN ST37 ... API, DIN, JIS, HG, GB, JG, BS.8)All the flanges are according to the ASTM, BS, DIN, JIS, EN, GB ... of flange, axis , disk ,and unconventional parts, our forging flanges consist of 30 specifications derived from 7 standards, i.e ...