Industrial Flanges, forged, ASTM A182 F304/ F304L or F316/ F316L (dual marked and certified), ASME B16.5, annealed and fully machined, raised face, smooth finish (125-250 RMS / 3.2-6.3µM) to MSS-SP6, hardness to NACE MR0175 latest edition. IC checked to ASTM A262 E and PMI tested. Aesteiron's ANSI/ASME flanges are certified according to EN 10204/3.1.
Welding Neck, Slip On, Socket Weld, Lap Joint, Threaded and Blind Flange for petrochemical industry