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15th June 2012, 09:15 PM #1Member
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Cleaning Brass after Silver Soldering
What is the best way to clean brass after silver soldering items together. Is there a good acid type dip????
Regards
Garry
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15th June 2012 09:15 PM # ADSGoogle Adsense Advertisement
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15th June 2012, 09:30 PM #2
Best method I found from my coppersmithing days was to either boil it in hot water with detergent and stiff scrubbing brush or a combination of running hot water, detergent and wire brush.
Cheers
DJ
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15th June 2012, 09:31 PM #3GOLD MEMBER
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Hi Garry,
You mean to remove the flux?
I used to use Citric acid, though that was silver soldering copper to s/s so might not have been the same flux?
Stuart
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15th June 2012, 09:36 PM #4Member
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Cleaning Brass
I was looking at trying to bring a clean brass look back after silver soldering and thought that maybe a weak acid mix might be the answer.
Regards
Garry
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15th June 2012, 09:48 PM #5
If it still has a residue or crust left on it from the flux, then the only method is to remove it physically. It has been along time since I was in the game but I'm pretty sure it still needs to be done physically.
Cheers
DJ
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16th June 2012, 12:04 AM #6
Hi Garry,
You should always neutralize any left over flux by soaking the part for a good hour or more in a bi-carb solution. If you don't you may have some flux weep out of the join somewhere and cause corrosion to you freshly cleaned surface.
I use a brass "chisel" to remove any excess solder and finish with scotch bright etc1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.
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16th June 2012, 12:38 AM #7Senior Member
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cleaning brass Problem
Hi Gary ,I do quite a lot of silver soldering on my models,and I clean any flux residue with a battery acid and 10% water and dip while hot be careful,and do not use the same mix if you have used it for copper,it will mess up the brass Hope this helps.
forgot to mention to rinse well after using acid.
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16th June 2012, 09:06 AM #8SENIOR MEMBER
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HI,
I find Caustic Soda to be quite good at cleaning up a Silver Soldered Job. I will just give it a Wire Brush at times.All The Best steran50 Stewart
The shortest way to do many things is to do only one thing at once.
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