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Lap Joint Stub End

    Lap Joint Stub End

    Buttwelded Stub End Lap joint stub end is a one of buttweld fittings, it is used with the lap joint flange or loose flange. Lap joint flange with stub end is used for in place of welding flange to reduce the budget as stub end is easy to replaced and low cost maintenance.

    Kaysuns provide lap joint stub end in stainless steel, duplex and super duplex steel, nickel base alloy etc. We supply both short type and long type stub end in ASME B16.9, MSS SP-43 and EN/DIN standard etc. Our lap joint stub end are made by seamless pipe, CNC machined with precision dimension and smooth surface. Custom fabrication is available, we can make stub end up to 48″ upon the requirement. All of our materials are available for third party inspection, such as SGS,BV,Lloyd’s,TUV etc.


    lap joint stub end
    Lap Joint Stub End for Lap Joint Flange

    Short Type, Long Type

    Manufacture Standards:

    ASME/ANSI B16.9, MSS-SP-43 etc.


    1/2″ to 24″ (DN15 ~DN600)

    Wall Thickness:


    Materials of Lap  Joint Stub End:

    Stainless Steel A403 304/L, 304H, 310S, 316/L, 316Ti, 317/L, 321/H, 347/H, 904L, 254 SMO
    Duplex & Super Duplex A815 UNS 31803, UNS 31254, UNS S32750
    Nickel Alloys Alloy200, 400, K500, 600, 625, 800, 825, Alloy 20, Hastelloy B2, C22, C276
    Other Grades Cu70Ni30(C71500), Cu90Ni10(C70600), Titanium Alloy Gr.2, Gr.5, Gr9, Gr12

    Buttwelded Fittings Catalog

    *For more information about lap joint stub end, please contact us when you feel free.


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    Supplying of Stainless & Alloy Piping Material

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