Carbon Steel Flanges are available in following grades:" ASTM A105 / A105N / A694F42 / 46 / 52 / 56 / 60 / 65 / 70 / A350 LF3 / A350 LF2, etc. " ASTM A182 F1 / F5/ F9/ F11 / F22 / F91 / etc
ASTM A105 / A105N / A694F42 / 46 / 52 / 56 / 60 / 65 / 70 / A350 LF3 / A350 LF2, etc