[TheForge] brazing revisited

[Peter Fels & Phoebe Palmer]

Grover.Richardson at gtri.gatech.edu wrote:
> I used the pencil trick in College where they had us brazing pieces together.  Now honestly, I don't remember the type of braze or anything else, just this odd piece of trivia.  At this point I've had my wife twice as long as her parents had her, and things are getting fuzzy when I try to remember<G>.  Just as a reference to when I was in college and met the wife.<G>  The wife says by now it's my fault if she is messed up.<G>
Ya well, Guess the guarantee is expired by now.
> 
> -----Original Message-----
> From: theforge-bounces at mailman.qth.net [mailto:theforge-bounces at mailman.qth.net] On Behalf Of Andy Gladish
> Sent: Thursday, January 28, 2010 11:50 AM
> To: Blacksmithing List Sponsored by ABANA
> Subject: Re: [TheForge] brazing revisited
> 
> Thanks- the pencil trick worked very well with plumbing solder, but I  
> don't think it makes a strong enough joint- I'll try one of these with  
> silver braze.
> The Harris 15% silver really is a pleasure to use, though color match  
> isn't very good (on red brass pipe).
> So far best results come from TIG weld with Silicon Bronze filler, though  
> the zinc in the pipe has an annoying tendency to cook off at a few degrees  
> above welding temp...takes a light touch indeed to get a decent bead.
> There's a kind of momentum as I heat the pipe, once its hot enough to be  
> willing to weld, difficult to back off so that the zinc doesn't burn off.
> Fun stuff.
> andy
> 
> On Thu, 28 Jan 2010 08:05:40 -0800, <Grover.Richardson at gtri.gatech.edu>  
> wrote:
> 
>> Lenox Sterling(r) ColdCoat(r) Thermal Shield Paste 32 oz. WS80326 1UYK4  
>> 36.60
>> Markal Cool Gel Heat Barrier Spray 16 oz. 83495G 2AGV8 13.92
>> Cool Blue(tm) Heat Sink Paste 11 oz. 91861 5KH10 11.48
>>
>> Just found this.
>>> From Grainger.com
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