... ,JIS,DIN,ANSI Carbon Steel A 105 ANSI Blind Flange:Specifications:Surface coated with unti rust oil, ... /castStructure type:Slip on flange,Welding neck flange,Blind flange,Socket welding flange,Threaded flange,Lap joint flange ... flanges,eg.stainless steel flat flange,carbon steel blind flange,ss welding neck flange,and slip on ... inquiry and questions. Carbon Steel A105 ANSI Blind Flange with good quality