... carbon steel ANSI blind flange : certificate:ISO9001,CE Material: Carbon steel/stainless steel standard:EN,UNI,JIS,DIN,ANSI Carbon Steel A 105 ANSI Blind ... Carbon steel/stainless steelStandard: DIN,ANSI,UNI,JIS,ASTM,ASME,and so on.Process: Forged/castStructure type:Slip on flange,Welding neck flange,Blind ... kinds of flanges,eg.stainless steel flat flange,carbon steel blind flange,ss welding neck flange ...