forged flange 1.standard:ANSI /GOST / AWWA / DIN / BS / ... -ON WELD NECK BLIND THREAD 1)Name: carbon steel flange &forged flanges2)Materials : ASTM A105,DIN ST37.2, ASTM ... API, DIN, JIS, HG, GB, JG, BS.8)All the flanges are according to the ASTM, BS, DIN, JIS ... Wan Tong Pressure & Forging company LTD . engaged inforging of varieties of flange, axis , disk ,and unconventional parts, our forging flanges ...