... Flange Socket Welding Flange, Alloy flange,Plate Flange astm a105 b16.5 carbon steel flanges ANSI Flange Size:1 ... , Blind, Socket Welding, Threaded, Lap Joint and Plate etc.Pressure Ratings:Class 150, 300, 600, 900 ... , 10K, 16K and 20K ANSI Flange Materials: Carbon steel, Stainless steel and Alloy steel etc. Market ... Weld Neck, Socket Weld, Threaded, Lap Joint and Plate Flanges to ANSI, BS, DIN, JIS, UNI ...