Trailing shield ensures layer of inert gas covers hot, newly formed bead between two tubes or pipes joined by plasma arc welding. Inert gas protects weld bead from oxidation by air until cooler and less vulnerable to oxidation. Intended for use on nickel-base alloy pipes, on which weld beads remain hot enough to oxidize after primary inert-gas purge from welding-torch cup has passed.


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    Title :

    Trailing Shield For Welding On Pipes


    Contributors:

    Published in:

    Publication date :

    1991-12-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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