we are manufacturer & exporters of alloy steel flange in grade F1, F5, F9, F11, F12, F22, F91 etc in all size & grades.
TYPE: SORF, WNRF, BLRF, SWRF, SOFF, WNFF, BLFF, SWFF, LAP-JOINT, SPECTATCLE, ORIFICE ETC.
SIZE: 15 NB TO 1200 NB
CLASS: 150#, 300#, 600#, 900#, 1500#, 2500# ETC.