We, Tube Fit Industries Manufactures IBR Flanges in Carbon Steel ASTM A105 (A6904 F 42, 52, 60, 65 Grades), Alloy Steel ASTM A182 F1, F5, F9, F11, F12, F22, F91 Grades, Stainless Steel ASTM A182 F304/304L/304H, 316/316L/316H/F321. SIZE: ½” TO 48” NB IN CLASS: 125 #, 150 #, 300 #, 600 #, 900 #, 1500 #, 2500 #. TYPE: Slip-on, Weld Neck (As per the schedule bore requirement of Client), Blind, Lapped Joint Flanges, Long Weld Neck Flanges, Plate Flanges, Reducing Flanges, Screwed Flanges, Socket Weld Flanges, Spectacle Flanges. MATERIALS: Carbon Steel –ASTM A105 (A6904 F 42, 52, 56, 60, 65 Grades). Alloy Steel – ASTM / ASME A/SA 182 Gr. F 1, F 5, F 9, F 11, F 12, F 22, F 91. Stainless Steel – ASTM A182 F304/304L/304H, 316/316L/316H/F321. Tube Fit provides IBR Test Certificate Form III C with all IBR Flanges. If you looking for these IBR Flanges please feel free to contact Tube Fit Industries or login our website at :- http://www.ibrpipefittings.in/