... :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 ... Ratings: JIS 5K, 10K, 16K and 20K 5. Standard: ANSI, JIS/KS, DIN, AWWA4. Facing:TG,RF,MFM,FM,FF,RJDIN WELDING ...