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  • 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
    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

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    • #3
      Good question. Might just be different manufacturer prefixing????

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      • #4
        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

        Owner Operator of JNT Mobile Welding & Repair LLC
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