... :ISO,TUV,AD,PED,API. DIN Standard Statinless Steel Flange1. Type: welding neck flange, lap joint flange, thread flange, slip on flange ... , socket welding flange, blind flange2. Material: Stainless steel, carbon steel,alloy steel ... /KS, DIN, AWWA4. Facing:TG,RF,MFM,FM,FF,RJDIN WELDING NECK STAINLESS STELL FLANGE