Soldering Stainless steel - Page 13 - Home Brew Forums
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Old 03-08-2010, 02:57 AM   #121
h2odenman
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Feb 2010
Ohio
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I just wanted to share my soldering experience. After reading this thread I decided I would give it a shot. I used silver plumbing solder and liquid flux I picked up from the hardware store (Menards), so nothing fancy. I sanded the inside and outside of the keg and cleaned all pieces with acetone. Now I have soldered less than 4 times my entire life and using my Benzomatic propane torch I was able to solder in a 1/2 inch brass coupling with no leaks. I then picked up my keggle by the connection and swung it around my shed, it is not going anywhere. I want to thank all who posted advice. To anyone who wants to try this I cannot vouch for long term but my first observations would indicate an extremely strong bond.



 
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Old 03-09-2010, 10:05 PM   #122
Small_Batch
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Mar 2010
Kansas City, KS
Posts: 26

Great thread - I have learned more about soldering from it than I ever expected. I would be honored to join the group of "less than intelligent" questions and ask how you guys clean your soldered/braised/etc joints so well?
Thanks!



 
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Old 03-09-2010, 10:19 PM   #123
P-J
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Mar 2010
Charlotte, NC
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Originally Posted by Small_Batch View Post
Great thread - I have learned more about soldering from it than I ever expected. I would be honored to join the group of "less than intelligent" questions and ask how you guys clean your soldered/braised/etc joints so well?
Thanks!
Re: the solder joints - I do cleanup once the solder solidifies and before it has a chance to cool off. This way the flux does not have a chance to stain the metal. A little more flux (liquid) on a slightly damp cloth works wonders.

 
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Old 03-09-2010, 10:23 PM   #124
BrewBeemer
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Feb 2006
small island paradise, the lost atoll
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If you added a fitting or coupling after making a dimple like GreenMonti does on his Tig welded fittings but still had the tight forced fit with the pocket facing outside (dimpled inwards) then you could solder fill that depression flush with the kegs outside surface. Just make sure your good and clean before soldering first.
This added dimple area filled with solder will greatly increase the fittings joint strength beides being pressed into the keg on the inside holding the inside around the fitting or coupling. Soft or silver solder this pocket flush with the kegs surface.
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Old 03-09-2010, 10:28 PM   #125
jppostKW
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Jan 2009
Englewood CO
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Here is my soldered Keggle has a sight glass thermo port recirc port on top and outlet!!

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Old 03-09-2010, 10:33 PM   #126
klyph
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Dec 2009
North Pole, Alaska
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Awesome, any close-ups?
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Old 03-10-2010, 02:14 AM   #127
BrewBeemer
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Feb 2006
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Originally Posted by jppostKW View Post
Here is my soldered Keggle has a sight glass thermo port recirc port on top and outlet!!

You need two sight glasses one on each side of your keg with the tops baloney sliced the same. "Twice Piped", stacks now add flame throwers ya got the propane already.
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Old 03-10-2010, 11:00 PM   #128
Scut_Monkey
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Jan 2009
Pittsburgh, Pennsylvania
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Quick questions. With solders like staybrite-8 there is a relatively low melting point ~400F. Is this something to worry about if you use a propane burner on your BK/keggle? Do I need to worry about fittings coming off or the solder melting from the burner? Anyone have first hand experience?

 
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Old 03-10-2010, 11:10 PM   #129
wyzazz
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Aug 2009
Atwater, OH
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As long as the BK is out of the way of direct flame it should be just fine, and with the liquid/wort in there it really can't get much hotter than 212 anyway.
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Old 03-11-2010, 01:20 AM   #130
BrewBeemer
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Just don't run it completly dry for a couple minutes with the burner on. I wouldn't want to be around that keg at 400*F if any water were poured into it.


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