... , JPI, DIN, UNI, BS, AS Product part: BS stainless steel Welding Neck Flange Size1/2" ~ 64"(DN15 mm ~ 1600 mm)MaterialsCarbon ... steel, Stainless steel and Alloy steel etc.TypeSlip-On, Welding Neck, Blind, Socket Welding, Threaded, Lap Joint and Plate etc.StandardASME, ANSI ... reply and the competitive price. Best regardssophia wang flanges and pipe fittings