... ,JISProcess: Forged/castStructure type:Slip on flange,Welding neck flange,Blind flange,Socket welding flange,Threaded flange,Lap joint flange,and ... kinds of flanges,eg.stainless steel flat flange,carbon steel blind flange,ss welding neck flange,and slip on flange,and ... sincerely welcome your valuable inquiry and questions. A Rock Bottom Price!!Carbon Steel ANSI A105 Welding Neck Flange