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metal turned brown cleanup

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lamontagne0527
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metal turned brown cleanup

#1 Post by lamontagne0527 » Wed Nov 28, 2018 11:52 pm

If the bluing has turned brown on my rifle and i want to clean it up, is there a different way than oil and steel wool? Doesnt seem to be touching it and was wondering if there is a better method

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Tommy Atkins
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Re: metal turned brown cleanup

#2 Post by Tommy Atkins » Fri Nov 30, 2018 5:10 pm

Sometimes blues just shift color. Its not a dye & if its not "patina", just a chemical change to the oxides formed by the bluing process & the exact type of steel.
Dan Wesson Revolvers are famous for turning purple, but only in some places, they even have a name for them "Barneys" (after the really annoying dinosaur thing.)

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Re: metal turned brown cleanup

#3 Post by bobvz » Fri Nov 30, 2018 10:43 pm

Brown "patina" is nothing more than rust. Steam or boil in water for 30 minutes. Then card with steel wool or a fine carbon steel wire wheel. It will turn back into a dark blue/black color. See below for video.

https://www.youtube.com/watch?v=VHyoUF50rF0&t=1592s

Bob
www.rustblue.com

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Re: metal turned brown cleanup

#4 Post by Tommy Atkins » Sat Dec 01, 2018 11:59 am

Yes I know but purists get their knickers in a twist if I call it "old rust" I just can't win!

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Re: metal turned brown cleanup

#5 Post by lamontagne0527 » Sat Dec 01, 2018 1:20 pm

Tommy Atkins wrote:
Sat Dec 01, 2018 11:59 am
Yes I know but purists get their knickers in a twist if I call it "old rust" I just can't win!
its on an old GEW98 receiver, its not blued but the receiver has the brown "rust" on it, should i use more elbow grease to remove the tarnish or would it be best to leave it as is? It's an Amberg 1905 mauser

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Re: metal turned brown cleanup

#6 Post by Tommy Atkins » Sat Dec 01, 2018 7:08 pm

Above my pay grade, antiques I am very limited in knowledge of.
If it were mine I'd oil it, let the oil sit for a few days, wipe thoroughly to remove excess oil & rust, then call it "stabilized"!

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Re: metal turned brown cleanup

#7 Post by Smokey » Sun Dec 02, 2018 8:27 am

Weren't the GWE98 receivers often left in the white originally?
Arguing with someone who denounces reason is like administering medicine to a corpse.

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Re: metal turned brown cleanup

#8 Post by lamontagne0527 » Sun Dec 02, 2018 1:54 pm

Smokey wrote:
Sun Dec 02, 2018 8:27 am
Weren't the GWE98 receivers often left in the white originally?
yeah receivers, bolts, buttplate and a few other pieces were left in the white. Mine unfortunately has i believe tarnish, staining and "patina" from years of neglect i believe, the bolt and receiver match and the bolt is in the white so I want to clean up the receiver but the brown neglect is very stubborn. Wondering if more elbow grease is needed or if she is DOA and should be left as is. The bore is mirror by the way

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Re: metal turned brown cleanup

#9 Post by Tommy Atkins » Sun Dec 02, 2018 5:54 pm

If it was in the white then I have a solution (literally) for you.
Completely dismantle it.
degrease thoroughly.
fill a suitable sized container with a 1:1 mix of Evap-o-rust & tap water.
Drop all the parts in.
Let sit overnight, or until completely rust free. If longer than overnight stir or swirl to agitate a bit.
Once all the rust is gone wash in hot water.
Re-oil immediately on drying, as it will be utterly unprotected.
Save the evap-o-rust for next time you need to strip rust harmlessly.
The stuff is awesome, non toxic, eco safe water-based, pretty much no odor & non-etching.
https://www.evapo-rust.com/

I didn't suggest it sooner because it also 101% removed bluing & browning.
You can usually find it at your local car parts store.

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Re: metal turned brown cleanup

#10 Post by Smokey » Mon Dec 03, 2018 6:15 pm

If the metal isn't too badly pitted, a cleanup will stop the corrosion and restore the finish somewhat. The "collectors" will scream bloody murder but ignore them. There's something to be said for preserving the rifle for many years to come. Rust doesn't stop; it has to be removed. Be sure to coat all metal inside out with a preservative that stays put. I've seen severe damage inside the stock from those who just "wiped it down" occasionally. It can sit assembled after the preservative.
Arguing with someone who denounces reason is like administering medicine to a corpse.

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Re: metal turned brown cleanup

#11 Post by lamontagne0527 » Mon Dec 03, 2018 9:47 pm

i use ballistol to clean and oil my firearms which i believe was designed for the german gewehr 98 and other service arms way back in the day. I'll keep using more elbow grease to see what i can continue to clean off. Currently there is nearly 0 pitting at the moment that i can see.

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