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Hard chrome

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  #1  
Unread 11-28-2010, 12:44 PM
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Join Date: Nov 2010
Posts: 7
Hard chrome

Looking to HARD CHROME a 721 rem action.Dont know what it will do to tolerances,and if finish will be unform.Need some input and references. Thank you.
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  •   #2  
    Unread 11-28-2010, 07:57 PM
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    Join Date: Oct 2008
    Location: Kodiak, Ak
    Posts: 357
    Re: Hard chrome

    I would call someone who does the hard chroming and ask them. I know that the military went away from Hard chroming barrels because the chrome adds to the metal. So barrels have to be specially made anticipating the addition of the chrome.

    Not knowing why you wish to hard chrome I can't say yea or nay. Weather resistance however I would use any number of paint options and I would Ferratic Nitride before anything else if its for the weather.

    Neal
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      #3  
    Unread 11-28-2010, 08:58 PM
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    Join Date: Jun 2010
    Location: greenwood, IN
    Posts: 4,025
    Re: Hard chrome

    Quote:
    Originally Posted by hammertyme View Post
    I would call someone who does the hard chroming and ask them. I know that the military went away from Hard chroming barrels because the chrome adds to the metal. So barrels have to be specially made anticipating the addition of the chrome.

    Not knowing why you wish to hard chrome I can't say yea or nay. Weather resistance however I would use any number of paint options and I would Ferratic Nitride before anything else if its for the weather.

    Neal
    you can also do electroless nickle, and that will be hard as nails. They can plate electroless nickle as thin as .000050", and it follows contours far better than chrome. I've seen screws plated and they went right together as if they were machined that way.
    gary
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      #4  
    Unread 12-26-2010, 10:56 AM
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    Join Date: Nov 2009
    Posts: 805
    Re: Hard chrome

    You are likely looking at 6/1,000 of an inch buildup if you want to hard chrome an action. Most actions have room for that, so it's likely possible, but the question is, "Why?".

    Chrome if you want a mirror finish. Nothing else will give that to you. Chrome plating tends to not be uniform as the electrical fields attracting the plating are stronger in some areas than others.

    If you are looking for weather protection, electroless nickel gives a more uniform coating & is rustproof. Yes, chrome is a harder metal & nickel can scratch, but nickel is the plating of choice for weather protection.

    Other choices to ponder for weather protection are any of the chemical based coatings or the baked on enamel paints.

    For the ultimate foul-weather hunting rifle, I recommend nickel plating followed by a baked on enamel gun paint.
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      #5  
    Unread 12-27-2010, 08:46 AM
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    Join Date: Feb 2002
    Location: Nebraska
    Posts: 410
    Re: Hard chrome

    Check out Craftguard - Firearm Metal Refinishing
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      #6  
    Unread 12-27-2010, 09:34 AM
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    Join Date: Nov 2009
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    Re: Hard chrome

    Quote:
    Originally Posted by BillR View Post
    Thanks for the contact!
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