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Re: RE: Header welding--ROOKIE

To: "Albaugh, Neil" <albaugh_neil@ti.com>, "'Dick J'"
Subject: Re: RE: Header welding--ROOKIE
From: <wmtsmith@landracing.com>
Date: Thu, 17 Apr 2003 20:16:10 -0500
Thanks Neil,
God--I feel so inaddaquite and have sooooo much to LEARN--I guess thats why we 
are called rookies  wmts
> 
> > 
> If it bubbles, you've used WAY too much heat. This forms intermetallics and
> that joint becomes brittle & weak. Use a moderate sized gas tip so that the
> heat is spread over a fairly good-sized area; if you use a tiny tip and
> crank up the heat, it is concentrated onto the filler rod and the
> overheating causes "fuming" (bubbling).
> 
> Regards, Neil     Tucson, AZ
> 
> 
> 
> Dick,
> 
> I was told to mig the inside and the clean up with grinder--the to
> braze-solder the outside joint using a 3/16 or 1/8 fluxed rod--ie use low
> heat small gas tip, heat the flange and let the metal flow into the tube -
> flange joint crack--if the metal bubbels you are using to much heat. wmts 
> > 
>  
> > 
> 
>   "Sparky"
> Lakester 2211
> 

  "Sparky"
Lakester 2211

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