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Cold Bluing Tips.


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#1 ghost95

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Posted 28 March 2014 - 06:21 PM

Hello again. I just cold blued a marlin 336 and it came out beautiful but...the screws won't take the blueing. Any advice for getting the screws to take the bluing. I'm using the oxphoblue creme. So far I love the creme. It seems much easier to work with than the liquid.

Thanks for any tips with the screws. By the way, I've already tried heating and polishing the parts.

#2 Dr.Hess

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Posted 28 March 2014 - 06:49 PM

The screws may be a different metal that won't blue.  I've used that cream stuff and it works great on anything that will blue, which is a rust (oxydative) reaction.  Will they stick to a magnet?



#3 ShooterTom

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Posted 28 March 2014 - 09:19 PM

I ran across this recently. I haven't tried it myself.

 



#4 ken98k

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Posted 29 March 2014 - 11:28 AM

Yep, flame blueing is an old 'trick of the trade' that works very well.



#5 pacrat

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Posted 29 March 2014 - 03:08 PM

I use Birchwood-Casey "Super-Blue" for parts containing high carbon, nickle, other hard parts blueing.

 

JM2c



#6 ghost95

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Posted 29 March 2014 - 03:25 PM

Hello all,yes the screws are magnetic. I gues ill just try again with a better cleaning. C-

#7 ghost95

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Posted 29 March 2014 - 03:27 PM

Flame bluing??? Whats that?

#8 ken98k

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Posted 29 March 2014 - 09:09 PM

Flame bluing??? Whats that?

Heat the screw head until it turns blue then immediately quench in oil. 



#9 ghost95

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Posted 30 March 2014 - 11:37 AM

Any particular oil. I've just read that used engine oil works well. Not sure exactly why. C-

#10 ghost95

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Posted 02 April 2014 - 08:02 PM

Thanks for the tips. The flame bluing worked great. Project complete.
Again gentlemen, thanks. C-




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