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  1. #1
    Join Date
    Aug 2009
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    Default What's a suitable finish for a large outdoor brazier?

    I'm making a brazier/fire pit, mainly from bits of scrap with a few bits of new merchant bar. The narrower uprights in the photo are the new bits of steel. I'm undecided as to what finish I should use. I'd really like to do a black oxide finish with used oil, but is it at all practical (or even possible) to do with heating small sections with a blow torch?

    If it had all been made of scrap I'd have been quite happy to leave it rusty, but the new steel kind of spoils that look. I suppose I could accelerate the rusting by spraying on some acid. Perhaps, as it's going to have a fire sitting in it, it's all academic and whatever finish I put on it won't last too long anyway.

    I'm open to any and all suggestions

    Thanks,

    Graeme

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    2013-06-23 09.35.44.jpg

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  3. #2
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    What would happen if you encouraged a film of rust and then treated with a rust converter to change that into black iron oxide?
    You are right though - any paint or finish is likely to burn off, so it's going to have to be left either natural or have a specialty coating. There was a recent post where someone was cleaning up a cast iron fireplace. Perhaps that stuff may last at temperature?

    Michael

  4. #3
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    Quote Originally Posted by grd View Post
    .
    .
    .
    Perhaps, as it's going to have a fire sitting in it, it's all academic and whatever finish I put on it won't last too long anyway.

    I'm open to any and all suggestions
    I agree, no matter what you do to it (even a phosphoric acid treatment or cast iron stove treatments) the fire will eventually affect. I would just light a larger than usual fire in it to accelerate the process.

  5. #4
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    Ueee is offline Blacksmith, Cabinetmaker, Machinist, Messmaker
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    Quote Originally Posted by BobL View Post
    I agree, no matter what you do to it (even a phosphoric acid treatment or cast iron stove treatments) the fire will eventually affect. I would just light a larger than usual fire in it to accelerate the process.
    I agree with the big fire, maybe douse it in linseed or even motor oil first so that the sections that wouldn't normally get super hot have a coat on then too. Or burn some nice resiny pine and get a pitch lke coating on it all.

    Cheers,
    Ew
    1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.

  6. #5
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    Default

    What about black lead... the stuff that used to be used for fire grates... not sure where you'd get it nowadays?

    Regards
    Ray

  7. #6
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    Default

    I'd just get some stove paint. Isn't that what a brazier is?

  8. #7
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    Quote Originally Posted by Michael G View Post
    What would happen if you encouraged a film of rust and then treated with a rust converter to change that into black iron oxide?
    You are right though - any paint or finish is likely to burn off, so it's going to have to be left either natural or have a specialty coating. There was a recent post where someone was cleaning up a cast iron fireplace. Perhaps that stuff may last at temperature?

    Michael
    That would be this thread https://www.woodworkforums.com/f65/ca...-paste-171905/.

    It was the liberon product. Sounds good but may be expensive here in Oz.

    Dean

  9. #8
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    Heat resistant paint as in'

    Stove Bright Paints Australia - High Temperature and Heat Resistant Paint & Powder

    or the stuff Supercheap has for painting extractors on cars


    White knight makes a paint for BBQs pot belly black or similar name.

  10. #9
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    Quote Originally Posted by rodweb View Post
    I'd just get some stove paint. Isn't that what a brazier is?
    Why would you want to paint something a woman wears????????

  11. #10
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    Quote Originally Posted by KBs PensNmore View Post
    Why would you want to paint something a woman wears????????
    To make it a different colour of course! A change is as good as a holiday, or in this case.......... I'll leave that one alone.

    On a more serious note just be careful of what you buy as some of these have very serious chemicals released during drying process. I looked at paints for wood kitchen range and changed my mind after reading the precautions. Ok outside I guess.

    Dean

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