CLR

Dr Ray

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I MIGHT use CLR solution to clean any carbon or gunk out of my stainless steel barrels.

Question:

Has anyone used CLR in non-s/steel barrels and if so, what were the results?

I'd like to use CLR in a lever action
 

BeeMaa

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Very interesting, I’ve never heard of it used for that.
Me either.
We use CLR for cleaning toilets.
I stick to less caustic stuff for firearms.
 
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I MIGHT use CLR solution to clean any carbon or gunk out of my stainless steel barrels.

Question:

Has anyone used CLR in non-s/steel barrels and if so, what were the results?

I'd like to use CLR in a lever action
@Dr Ray
I use brake kleen to remove carbon from both my stainless and chrome moly barrels.
Bob
 

Hunter4752001

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Please disregard anything anyone tells you about steel if they are completely ignorant about what steel is. By definition ALL steel contains Fe (iron) with carbon, that's what steel is. High carbon, low carbon, alloy, stainless. Hardenability depends on carbon.

Low carbon steel (mild steel) contains between 0.05% to 0.25% carbon. High carbon steels contain 0.30% to 2.00% carbon. Above that and you have cast iron.

"Alloy steels" have various other stuff mixed in generally to enhance certain properties such as tensile strength. "Stainless steels" are a class of alloy steels that contain a minimum of 11% chromium, it still contains carbon

4140 Chrome Moly:
C​
Cr​
Mn​
Si​
Mo​
S​
P​
Fe​
0.38-.43%​
0.80-1.10%​
0.75-1.0%​
0.15-0.30%​
0.15-0.25%​
0.040% max​
0.035% max​
Balance​

316 Stainless:
CarbonSiliconManganesePhosphorusSulphurNickelChromiumMolybdenumNitrogen
316
Specification (max)​
0.080.752.000.0450.03010.00 – 14.0016.00 – 18.002.00 – 3.000.10

Without knowing the particulars, I would be cautious about using CLR as it is probably (my guess only) aqueous based and as such a corrosion risk. Even "stainless" steels are vulnerable to corrosion.
 

JimP

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For carbon removal you might try some Quicksilver Power Tune from Mercury Marine.

I've used it to remove carbon deposits on diesel and gas engines with no problems.


.
 

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Dr Ray

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I thought I’d just run patch through until clear
Then use bore eliminator or Hoppes
 
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bruce moulds

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you might have saved a gunsmith and a barrel maker from eating better than previously,
bruce.
 

Dr Ray

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I was going to clean barrels tomorrow but the rain is coming in and I don’t want moisture getting into gunsafe. I’ll clean next weekend.
Then I’ll report.
 

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