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Thread: Fillet brazing rod?

  1. #1
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    Question Fillet brazing rod?

    Is bronze stronger for fillet brazing than brass? what kind should I use. Is the melting temp a bit higher?

    I need to make the joints as strong as possible, because I am building a cargo bike.
     

  2. #2
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    Default Re: Fillet brazing rod?

    "Brass" is the lay term for bronze copper-bearing brazing rods. Typically people use either RBCuZn-C, RBCuZn-B or RBCuZn-D. The melting temps and strengths vary slightly for each, but for practical application those are mostly academic distinctions. The differences are subtle, and a skilled brazer should be able to adapt to either quickly.

    I'm not sure is "near settale" is "near Seattle", but if so I recommend hooking up with the local community collage for a welding and brazing module.

  3. #3
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  4. #4
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    Default Re: Fillet brazing rod?

    Hi Folks,

    Although Andy's recommendation is sound and appropriate for your question, I am skeptical of the "1400-1600" degree claim. Most Nickel Silver alloys have a solidus around 1690 degrees F and have a brazing temperature higher still. Nickel Silver is a high temperature alloy, so make sure your tube selection can handle the higher temperatures. That said, it is a wicked strong alloy. We sure to wear gloves when handling, and a respirator when brazing with nickel bearing alloys, Nickel is a bio-accumulating toxin.

    Many brazers call (myself included) sometimes call Low Fuming Bronze Brass, technically they are not the same, and you will have much better luck with a Low Fuming Bronze alloy Like our LFB, or Hank's C-4.

    Thanks,
    Wade Barocsi
    Cycle Design
    info@cycledesignusa.com
    Wade Barocsi
    Acel Corp.
    www.cycledesignusa.com
    Cheshire, CT

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