[TheForge] soldering v brazing v welding (fyi)

[Darrell]

If you are not careful you could be welding.

Darrell

----- Original Message ----- 
From: <Hochewa at aol.com>
To: <theforge at mailman.qth.net>
Sent: Saturday, March 18, 2006 8:02 PM
Subject: Re: [TheForge] soldering v brazing v welding (fyi)


> Now if you solder lead pipe, is it brazing or soldering?
>
> Hochewa
>
>
> In a message dated 3/17/2006 12:34:52 P.M. Eastern Standard Time,
> sunironworks at yahoo.com writes:
>
> Soldering - The AWS defines soldering as a group of joining  processes
> that produce coalescence of materials by heating them to the  soldering
> temperature and by using a filler metal (solder) having a  liquidus not
> exceeding 840ºF (450ºC), and below the solidus of the base  metals.
>
> Brazing - Brazing joins materials by heating them in the  presence of a
> filler metal having a liquidus above 840ºF (450ºC) but  below the
> solidus of the base metal.
>
> Welding - In welding, fusion  takes place with melting of both the base
> metal and usually a filler  metal.
>
>
>
>
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