[Jewelry making - Article 00157] - Re: [Orchid] Brazing steel

[Len and Judy Bjorkman]

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>        when you braze steel, how hot are you getting, do you have to
>     apply any flux to the metal pieces you are joining? 

    BJ, you can buy brazing rods coated with flux, but I can't recommend
    it because the coating tends to crack and fall off.  In my opinion,
    it would be better to do one of two things.  Either buy the black
    flux which is available at welding shops and is stable at higher
    temperatures than the usual flux for silver soldering, or buy a can
    of dry flux meant for brazing and dip your brazing rod into it
    periodically as you are brazing. 

    As to how hot you need to get, in order to braze,  check the melting
    point of the brazing rod.  The metal you are brazing must get at
    least that hot, in the area of the braze.  If you are brazing large
    pieces of metal, you will need an oxy-acetylene torch, in order to
    get and keep the metal hot enough for the brazing rod to flow.  

Hope this helps-- 
Judy Bjorkman

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