... :EN,UNI,JIS,DIN,ANSI Carbon Steel A 105 ANSI Blind Flange:Specifications:Surface coated with unti rust oil,hot galvanizingSize ... .Process: Forged/castStructure type:Slip on flange,Welding neck flange,Blind flange,Socket welding flange,Threaded flange,Lap joint flange,etcPressure ... kinds of flanges,eg.stainless steel flat flange,carbon steel blind flange,ss welding neck flange,and slip on flange,and ...