... , Threaded, Lap Joint, Socket Weld, Plate, SOH, SOP, Slip On Ring Joint Flange/Stainless Steel Flange Type:Welded Neck, Blind, Threaded ... , RST37.2, P250GH, P245GH, P265GH, S235JR, SS400, SF440AMarking:On Required Ring Joint Flange/Stainless Steel Flange