... steel, carbon steel and all; 2)Standard:ANSI, DIN, BS,UNI, JIS,SABS Carbon steel forged long welding neck flange 1) material: stainless steel, carbon steel ... , Blind flange, Socket Welding flange, Threaded flange, Lap Joint flange and Plate flange etc.Applicable standard GB, ASME , ... steel, stainless steelPressure RatingsClass 150, 300, 600, 900, 1500 and 2500PN 6, PN 10, PN16, PN25, PN40 and ...