... Flange Size:1/2"-60" Material:carbon steel and alloy Standard:ASTM,DIN,JIS.BS, Cert:ISO,TUV ... ,AD,PED,API. DIN Standard Statinless Steel Flange1. Type: welding neck flange, lap joint ... socket welding flange, blind flange2. Material: Stainless steel, carbon steel,alloy steel---20#, A105, Q235A, 331, 304, 304L, ... : JIS 5K, 10K, 16K and 20K 5. Standard: ANSI, JIS/KS, DIN, AWWA4. Facing:TG ...