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Post subject:RE: Stainless Steel Soldering
 Posted: Apr 21, 2007 - 11:34 PM #6292
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Power User
Joined: Feb 19, 2006
Posts: 130
Location: Texas
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For soldering stainless steel I use Stay Clean Liquid that I buy from the local plumbing supply house. It says on the bottle it is for stainless among other metals except aluminum. I use this stuff maybe once a year but when you need it you need it. All I use muratic acid for is galvanized stuff. Here is a link.
http://www.harrisproductsgroup.com/cons ... older_flux |
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Post subject:RE: Stainless Steel Soldering
Posted: Nov 03, 2007 - 02:58 AM #6814
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Joined: Nov 03, 2007
Posts: 3
Location: Pahrump, NV
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| I always used muratic cut by adding chips of galv. iron to it (v notch dropping, etc) after about 10 minutes the acid worked great for SS and Cu. |
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Post subject:RE: Stainless Steel Soldering
Posted: Nov 05, 2007 - 01:45 AM #6818
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Power User
Joined: Nov 01, 2006
Posts: 88
Location: McEwen,Tn.
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pahrump..........muriatic acid (hydrochloric acid) killed with zinc will give you zinc chloride a.k.a. RUBY FLUID.
We used to use zinc canning jar lids cut up and dropped in acid before commercially available Ruby Fluid...
bordontn2 |
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Post subject:RE: Stainless Steel Soldering
Posted: Nov 10, 2007 - 03:29 AM #6834
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Power User
Joined: Apr 04, 2007
Posts: 90
Location: Florida
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| We found Stayclean and I love it. Thanks! Still get a litttle bit of sinus irratation but not the flu like sickness. We have wondered if the effects are worsened by high humidity. It seems that we all have more irratation when we solder during rain or just plain humid days. |
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Post subject:RE: Stainless Steel Soldering
Posted: Nov 13, 2007 - 01:48 AM #6844
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Power User
Joined: Nov 13, 2007
Posts: 112
Location: Omaha, NE
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| You should be using a breathing mask (paper at least) if you have many fumes. There can be lead in that plume when you touch hot to acid/stay clean. |
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Post subject:RE: Stainless Steel Soldering
Posted: Nov 13, 2007 - 02:31 AM #6846
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Power User
Joined: Nov 13, 2007
Posts: 112
Location: Omaha, NE
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My apologies for 1. not finishing reading the second page and 2) not editting in 10 minutes.
I see that you are using breathing equipment. Good thing if you are in a poorly ventilated room. When you put the heat to stay clean/cut acid you vaporize zinc chloride which is a pretty mild toxin. If you use flux-core solder then you are probably getting a heavy dose of ammonium chloride in your lungs, another relatively mild poison. (Don't worry too much about their toxicity; either one can be found in a variety of products from foods to dental fillings.) Rosin-based fluxes (aka colophony) on the otherhand should be used much more carefully, their affects are felt in the lungs but also cause skin irritations.
If you are making the cut acid (aka killed spirits) in your shop then you are probably aware the discharge of the chemical reaction is hydrogen. Always fun for the geeks that play with fire. |
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Post subject:RE: Stainless Steel Soldering
Posted: Feb 06, 2008 - 03:37 AM #7197
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Joined: Jan 11, 2008
Posts: 9
Location: Clayton,NC
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| sta-clean or M-A stainless flux. Move quickly as ss heats very quickly and will buckle if you linger too long. 50/50 works great. I prefer it for its forgiveness in expansion and contraction to lead free solders. I'm on a huge terne stainless gutter and roof job now(250' built ins and 50 sq. standing seam). soldering it is a pain but it is strong and watertight. |
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Post subject:RE: Stainless Steel Soldering
Posted: Apr 05, 2008 - 12:35 AM #7461
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Power User
Joined: Apr 04, 2007
Posts: 90
Location: Florida
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DMNyankee wrote:
sta-clean or M-A stainless flux. Move quickly as ss heats very quickly and will buckle if you linger too long. 50/50 works great. I prefer it for its forgiveness in expansion and contraction to lead free solders. I'm on a huge terne stainless gutter and roof job now(250' built ins and 50 sq. standing seam). soldering it is a pain but it is strong and watertight.
What type of Soldering Iron do you use? Thanks |
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