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Thread: Hot Bluing at home

  1. #1
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    Jun 2020
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    engineer steve's Tools

    Lightbulb Hot Bluing at home

    In this video I show you how to hot blue at home.

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  2. The Following 9 Users Say Thank You to engineer steve For This Useful Post:

    Fluffle-Valve (Nov 1, 2021), Jon (Oct 28, 2021), karthon (Oct 28, 2021), mtwheatley (Oct 31, 2021), mwmkravchenko (Oct 27, 2021), nova_robotics (Nov 4, 2021), rlm98253 (Oct 27, 2021), Sleykin (Oct 29, 2021), Tule (Oct 28, 2021)

  3. #2
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    Aug 2013
    Thanked 1,626 Times in 1,458 Posts

    Thanks engineer steve! We've added your Hot Bluing Method to our Metalworking category,
    as well as to your builder page: engineer steve's Homemade Tools. Your receipt:

  4. #3
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    Dec 2018
    Thanked 10 Times in 6 Posts
    Great video.
    That blackening is more akin to seasoning a cast iron frying pan, it blackens the part, doesn't blue it.
    In 60+ years of gunsmithing, I have hot blued thousands of guns, hot bluing is a rusting process involving the use of salts heated to about 280 degrees, plus or minus, depending on the bluing salts being used.
    This blackening process will give some rust protection, and is far less labor intensive, and less expensive, than actual hot salt bluing using corrosive salts, and is more useful to the home machinist I think.

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  5. The Following User Says Thank You to RetiredFAE For This Useful Post:

    Fluffle-Valve (Nov 1, 2021)

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