[TheForge] forge brazing

Thu Jul 3 01:12:00 2003

John:  Are the pieces you are brazing of steel, bronze or brass?  You did
not specify.  Forge brazing is often done with a material called spelter,
which is essentially powdered brass.  Recommended flux is pure anhydrous
borax sprinkled on the pieces after the spelter is applied to the joint.
avoid having the oxygen-rich gas flame hit the piece directly and place the
piece so that he spelter will flow into the joint upon melting.

                                    Grant
----- Original Message ----- 
From: "John Newman" <[email protected]>
To: "the forge" <[email protected]>
Sent: Wednesday, July 02, 2003 7:50 PM
Subject: [TheForge] forge brazing

> Does anyone have any experience with forge brazing?  I  am working on a
> door knocker and I would like to braze it together but I am not having a
> lot of luck.  The pieces I am putting together are 2  1.25" half rounds
> with a piece of  1/4" flat bar in between them.  Here is a
> representation of it ^---^ What I am making is a plate with a tower on
> either side.  I  filed the mating edges, heated the pieces fluxed them
> and tried putting brazing rod that had been flattened between the pieces
> when that didn't work I tried bronze filings I then put it in the gas
> forge I did get it to stick but it was not a good joint.  I did manage
> to get a good joint with a torch but I got bronze in the corner I will
> have to file out Because of the details I will have on the towers I
> would like to avoid a lot of clean up in the corners.
>
>
>
>
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