[TheForge] Re: TheForge Digest, Vol 26, Issue 38

[Fred Zickrick]

At 11:37 AM 3/17/2006, you wrote:
>Folks,
>A while back there was a discussion about the 
>definitions of soldering v welding v brazing, to 
>which I added some confusion. Here's something 
>that just showed up on the metalshapers list.
>JRF
>
>Hi Bill & Alan:
>     Just to clarify the differences of 
> Soldering and Brazing 
> http://www.jwharris.com/jwref/faq/#def gives the following definition.
>Further information is availble at the Harris 
>site and from the American Welding Society website.
>
>Definitions
>What is the difference between soldering, brazing and welding?
>  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.
>Roger VanHoozer


So what is braze welding which the AWS discusses 
in their textbook for welding students??


Thank you,
Fred Zickrick, fredz72 at cableone.net