shop-talk
[Top] [All Lists]

RE: Welding vs. Brazing was "Welding" stainless

To: shook@usc.edu, rkorn@europa.com, shop-talk@autox.team.net
Subject: RE: Welding vs. Brazing was "Welding" stainless
From: jmark.vanscoter@amd.com
Date: Tue, 15 Aug 2000 14:01:52 -0500
> Doug asked: "I hate to sound so ignorant, but maybe someone could explain
> the
> difference between gas welding and gas brazing, and perhaps explain to me
> just what I did do -- sheesh, I know this sounds pathetic....
> 
> Doug-
> 
> It is actually not surprising you are confused by these terms because the
> meaning slightly changes due to where in the world you are.
> 
> In the USA and Canada, welding is usually considered fusing of the base
> metal with a filler-rod that is (essentially) identical to the base metal.
> In other words, stainless steel rod to weld stainless steel. The actual
> alloy may vary slightly to allow better "wetting" or to remove impurities,
> etc. So, if you used brass with steel, you are brazing. That is the common
> definition.
> 
> The definition also becomes a little confusing because to some users, the
> type of joining is based on the appearance and type of joint. If the
> non-similar filler rod is used in a manner of solder (which is actually
> low-temperature brazing), then it is a brazed joint. There would be very
> little filler buildup, the filler flows into the space between the parts.
> 
> If there was a significant fillet, it is often refereed to as bronze
> welding or brass welding (depending on the speaker).
> 
> In other parts of the world (especially England), bronze welding is a
> common phrase and is the manner many specialty frames use in their joints.
> 
> Sounds to me like you brazed your joint. I hope you also reinforced it in
> some way, otherwise I fear the crack will shortly be back!
> 
> Hope this helps, it was a common question when I was teaching welding. 
> 
> Mark V.S. in Austin, TX
> 

<Prev in Thread] Current Thread [Next in Thread>