>The more silver added to the mix, the more fluid the molten braze is.
>45% silver braze will flow into tiny cracks. In fact, you can't bridge
>gaps very well with the high silver alloys; the 5% stuff is more
With practice you can fill holes with the stuff. It's just more difficult
if you haven't spent time working with it.
Smaller tip and OxyAcetylene.
>forgiving of bad fitup of the joint. Note also that the melting point
>comes down with increasing silver content, but boy howdy does the price
>go up!
>All of these brazing materials are fluxed with the same white stuff. I
>don't recall what it is exactly, but if it powdered, you add water to
>make a paste. If it's a paste already, you're good to go.
>I believe that any of the common brazing materials are as good as the
>base copper as far as current handling (lightning) is concerned, but I
Evn the high silver content is as good as or better due to the lower
resistance.
Roger (K8RI)
>suspect that they are not "approved" joining methods for grounding stuff
>because a certain amount of skill is required to do it properly.
73,
geo - n4ua
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