... :carbon steel and alloy Standard:ASTM,DIN,JIS.BS, Cert:ISO,TUV,AD,PED,API. DIN Standard Statinless Steel Flange1. Type: ... flange, slip on flange, socket welding flange, blind flange2. Material: Stainless steel, carbon steel,alloy steel---20#, A105, Q235A, 331, ... 5. Standard: ANSI, JIS/KS, DIN, AWWA4. Facing:TG,RF,MFM,FM,FF,RJDIN WELDING NECK STAINLESS STELL FLANGE DIN Standard Stainless Steel Flange