We are Mumbai based Manufacturer and exporter of stainless steel flanges in ASTM A182 F321 Grade. we have instock range of stainless steel flanges. we have SS F321 Flanges in Slipon raised face , blind raise face, weld neck raised face and lap joint type. we also have ring joint type flanges in ss F321 grade. we manufacturer ss F321 flanges from 1/2" to 24" The pressure class of these F321 flanges we produce are 150 #, 300 #, 400#, 600 #, 900#, 1500# 3000# we can manufacture these F321 flanges as per ASTM , ANSI, API AWWA, standards.