... , 42CrMo4, 16MnCr5, S355J2G3, ASTM A105, 39CrNiMo3, 18CrNiMo Hot Forged flangesforged flange,carbon flange,hot forged flange.Detailed Description: Manufacture: EAF+LF+VD ... : -0/+3MM Strightness: 3mm/M Max Length: According to customer's requirement( Normal length is 3-6M) Inspection: UT test follows ...