... 2633 welding neck flange 1 pn10-pn100 2 ASME/ANSI,DIN,JIS 3.type: forged DIN 2633 WELDING NECK FLANGE ... flange.,ANSI flange,UNI flange,BS flange,EN1092-1 flange etc,also we can supply according to ... your drawings or special requirements.1. Material:Rst37.2, S235JRG2,C22.8,SS400,SF440A ... ,A1052. Size:1/2"-40"3. Type:plate,slip-on,welding neck,threaded,socket weld,blind4. ...