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  1. #1
    Join Date
    Aug 2006
    Location
    Raymore Missouri
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    1,920

    Default difference

    Can anyone tell me the difference between R4043 tig rod and ER4043 for aluminum? . I looked and had no good luck.
    Nick
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  2. #2
    Join Date
    Nov 2012
    Location
    Spencer, MA
    Posts
    7

    Default

    The nearest I can come to answering your question is that the Prefix "ER/R" on ER4043 refers to.
    E = Electrode
    R = Rod
    ER = Electrode & Rod
    Alloy designation 4043 Aluminum
    ER4043

    Page 42 describes it more in depth than that.
    http://www.millerwelds.com/resources...Book_Chpt4.pdf

  3. #3
    Join Date
    Dec 2012
    Location
    Piedmont Triad
    Posts
    8

    Default

    Good question. Might just be different manufacturer prefixing????

  4. #4
    Join Date
    Feb 2010
    Location
    YOUNGSTOWN, OHIO
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    172

    Default

    In all cases an electrode that meets the test prescribed in A5.10 AWS specification can be used either as an electrode or a welding rod, but the reverse is not always
    true for a “R” classification aluminum “rod.” Hope that helps.
    JIM

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