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Hank45
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blue removal
Sep 17th, 2010 at 11:16am
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How do I remove the bluing from a 1885 winchester action?
  
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John Taylor
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Re: blue removal
Reply #1 - Sep 17th, 2010 at 11:45am
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Naval jelly
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John Taylor   Machinist/gunsmith
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frnkeore
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Re: blue removal
Reply #2 - Sep 17th, 2010 at 11:53am
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I use Muratic acid. It comes off as you apply it, no sitting time.
  

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Hank45
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Re: blue removal
Reply #3 - Sep 17th, 2010 at 12:25pm
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How do you apply muriatic acid. How do you neutralize the acid? Thanks for your answer Hank45
  
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frnkeore
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Re: blue removal
Reply #4 - Sep 17th, 2010 at 1:20pm
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In a small area, I used a Q-tip, larger areas I use rubber gloves and store bought pads (you can get all different sizes at Walmart in the pharmacy area) or just some clean rags. You just flush it with water and dry, oil it if it will sit for a while.

Frank
  

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frnkeore
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Re: blue removal
Reply #5 - Sep 17th, 2010 at 1:39pm
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Also,
Muratic acid is cheap. $5 something a gal at the local hardware store. You can put it in a glass 1 gallon jar and lower smaller pats in it to take the bluing of or the rust (bluing is rust). If your removing rust, you can't leave the parts for long periods. It will start to eat the steel after a while. I've used Phosphic acid (slower acting ) and Boric acid (much slower) for rust removal, too. I once left a 44 Stevens frame in Boric acid for a month. It didn't hurt it at all and took all the rust off it. 
Phosphic acid is what the active ingredent is in Naval Jelly but, you can buy it for about $20 a gallon as a liquid.

Frank
  

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stebbinsgr
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Re: blue removal
Reply #6 - Sep 18th, 2010 at 8:37am
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The following is advice I received from an engraver on the West coast.

"The best is to use Brownells regular bluing remover. Not steel white, that is too weak. It is the amber colored stuff mixed with water 50/50. Works very well. Use it many times before it is no good. Real old bluing can be tough so use it straight. The muriatic acid is too strong but easy to find. Driveway cleaner at hardware stores! Cut it to about 20% [1 acid to 4] with water. Always pour the acid into the water and not the other way. Can cause a reaction! Use it quickly then water wash and dry fast. OIL!!"
  
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38_Cal
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Re: blue removal
Reply #7 - Sep 18th, 2010 at 11:22am
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The B company's rust & blue remover is phosphoric acid.  Same as the active ingredient in Naval Jelly, just more concentrated.

David
  

David Kaiser
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418Steve
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Re: blue removal
Reply #8 - Sep 20th, 2010 at 9:31am
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Believe it or not, plain old kitchen white vinegar works on most bluing.  An old timer smith told me up here in NH--thought he was crazy, but it worked for me on some High Standard barrel weights and other parts.
Just let it soak overnight and scub a little bit with 0000 bronze wool, steel wool or even a scotch bright plastic kithen scouring pad

Certainly wont make your clothes look like a swarm of moths ate them for dinner Grin
  
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