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Home Brew Forums > Home Brewing Beer > DIY Projects > Soldering Stainless steel
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Old 01-06-2012, 03:34 AM   #701
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After calling just about every plumbing and welding supply co in town today, I finally tracked down some Harris stay clean flux at Johnstone. Boy when I fired it up, that solder wet just like a dream. Pun intended. Thanks. You guys rock

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Old 01-07-2012, 03:22 AM   #702
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After watching the video on the previous page several times and reading his details on Youtube... I still can not figure out what he is using to dimple with. I see that it is a tapered mandrel of some type, but I can't seem to find anything like it for sale online. Anyone have any idea where to get these?

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Old 01-07-2012, 03:56 AM   #703
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He is using the 3/4" to 1/2" stainless steel butt-weld pipe fitting (McMaster-Carr p/n 45605K711)

Its has a taper.

He lists the parts of the tool he made on the youtube video description.

Somewhere in this thread is some pictures of the tool in use.

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Old 01-07-2012, 05:46 AM   #704
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Doh... I must have just skimmed over it in my haste. Or, my eyes are tired from reading HBT so much! haha... Thanks for clearing that up, I see now that he indeed listed them... this is wonderful! I may be soldering my fittings into my keggles instead of fooling with washers and o-rings!

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Old 01-11-2012, 06:31 PM   #705
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Awesome Video!
So I have my regular propane torch I use for copper, how much hotter is a mapgas torch like the one used in the video? Can you do it with propane?

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Old 01-11-2012, 06:42 PM   #706
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Quote:
Originally Posted by cyclogenesis View Post
Awesome Video!
So I have my regular propane torch I use for copper, how much hotter is a mapgas torch like the one used in the video? Can you do it with propane?
You do not need mapgas. Harris Stay-Brite 8 has a liquid temperature range of 430°F to 535°F, very close to standard plumbing solder. The flux you use does matter when you are soldering SS or Aluminum.

For Stainless you need to use Harris Stay-Clean Liquid Flux.
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Old 01-11-2012, 06:45 PM   #707
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Thanks... Kinda wishing I would have seen this before putting weldless fittings in.. Looks much more solid...

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Old 01-11-2012, 06:47 PM   #708
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cyclo: depending on the size of the hole you drilled you should be able to just buy couplings and pull them through the holes for your existing weldless. that's my master plan

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Old 01-11-2012, 06:52 PM   #709
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Yes, now I think about you are right... I have a hole big enough for a nipple at the moment and a coupler would have a much bigger OD (actually now I think about it I did drill a 7/8ths hole!)

Need to go buy me some flux... Sounds like the wisdom here is that HD and Lowes was a no go and you needed to go to a welding supply shop?

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Old 01-11-2012, 06:56 PM   #710
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Is this the same stuff?
Airgas - Harris Welco® Stay-Clean® Liquid Soldering Flux, 4 Ounce Flip Top Bottle

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