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Posted by Ernie Leimkuhler on July 8, 2007, 5:55 pm
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>
> >
> > > I have read all of Mr. Leimkuhler's posts on TIG brazing and I
> > > would like to try this method to join some stainless steel
> > > (304 or 316) flanges to 2 in. K copper pipe.
> > >
> > > Can anyone suggest the correct filler metal?
> > >
> > > TIA
> >
> > Silicon Bronze works very well.
> >
> > Do NOT use Sil-phos-bronze or Phos-bronze,
> > The phosphorus can lead to cracking on steel alloys.
> >
> > Silicon Bronze also goes by the name Everdur.
> >
>
> Thank you.
>
> Based on your previous posts I had already purchased a roll of
> silicon bronze MIG wire.
>
> Just out of curiosity, would nickel silver work? Would a CuAg
> (AgCu?) alloy work?
>
> Thanks for all of your posts!
I have not had good luck with Silver alloys in a TIG arc.
The silver boils out at too low of a temp, making heat control very
tricky.
Nickel alloys can work, but tend to crack while cooling, unless you do a
preheat of the area and a slow cool.
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> like to try this method to join some stainless steel (304 or 316)
> flanges to 2 in. K copper pipe.
>
> Can anyone suggest the correct filler metal?
>
> TIA