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Re: Welding vs Torch

To: "vintage-race@autox.team.net" <vintage-race@autox.team.net>
Subject: Re: Welding vs Torch
From: Kelley Mascher <mascherk@attbi.com>
Date: Fri, 04 Oct 2002 17:10:17 -0700
Thanks for the reference. I'll file that away for the future.

Cheers,

At 01:40 PM 10/4/02 -0500, Marc Robertson wrote:
>When I researched this question many years ago, trying to duplicate what
>the British were doing, I ended up using what is more recently listed as
>Welco 17FC Nickel Silver Alloy brazing rod.  It disgusted my TIG welding
>friends, since I had polluted the steel forever.  But I was quite happy
>with the outcome.  Fortunately, I have never had to test the brazes to
>the point of failure.
>
>Marc Robertson
>
>Kelley Mascher wrote:
>> 
>> There is a short section in Carrol Smith's "Prepare to Win" on nickle-bronze 
>welding which the English appear to have used extensively in building tube 
>chassis. This isn't ordinary brass brazing. The braze filler is, as the name 
>implies, nickle-bronze and is has different characteristics.
>> 
>> I believe that you can nickle-bronze weld with a TIG welder. It would 
>certainly be worth researching. Once you know a little more about what was 
>originally used on your car you might want to ask about the process on 
>sci.engr.joining.welding  . You won't be able to weld with steel filler over 
>any area that has been brazed or nickle-bronze welded. The copper based filler 
>will have diffused into the steel in that area.
>> 
>> Cheers,
>> 
>> Kelley
>> 

Kelley Mascher                                                                
206-789-8935
Seattle, Washington USA

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