lap joint flang stub end Size: from 1/2 to 200 ... ) Standard: ANSI, DIN, BS, JIS, EN, JB, GB, UNI,API lap joint flang stub end Technics: Forged Size: from 1/2 ... : WeldingVarieties: Threaded Flange, Slip-On Flange (SO), Socket Welding Flange, Lap Joint Flange (LJF), Welding Neck Flange (WNF), Blind Flange, Orifice ... 2544 2282 6091-6093 (Rst37.2, S235jrg2, A105 ) flange and lap joint flang stub end