Subject: using aluminum brazing/solding to tack weld before TIG welding?
From: ACRE NL
Date: 11/4/2001, 1:58 AM


<<  Perry Casson wrote:
 > > >> For you TIG welding gurus:
 > > > I've got most of the parts for my Mike Wills style intake manifold
 > > > http://eaa245.dhs.org/perry/mike_wills/Mike-Wills-intak007a1.jpg
fabricated
 > > > but as I'm not set up to weld aluminum I'm going to have to send it
out to a
 > > > welding shop.  Building a jig to get all the little parts in the right
 > > > place would be no small task.  I was wondering if I tack welded the
parts
 > > > together using aluminum brazing/soldering rod would the TIG welder be
able
 > > > to weld over it OK?  All the tubes/parts are 6061t6 if that makes a
 > > > difference
 > > >> Thanks,
 > > >> Perry Casson


 > A low temp brazing rod (e.g.. Aladdin) can have a weld over it. The weld
will not
 > be of high strength and it is a pain in the ass to do since some areas
will melt
 > at different temps. And temperature control is the whole point in welding.
 >
 > I'd ask whomever was doing my welding if it was ok on his end. But if I
didn't
 > have a TIG it is a definite option.
 > Blake



Forget it. The brazing stuff just spoils the weld. Turns black ruins it.

Lynn E. Hanover


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