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Thread: Will rigid conduit rust?

  1. #1
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    Dec 2019
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    Default Will rigid conduit rust?

    I will probably paint it anyway, but should I be concerned about my ASAP's rigid conduit rusting?

  2. #2
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    May 2016
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    Default Re: Will rigid conduit rust?

    Your mileage may vary. Both EMT and RMC are galvanized and should resist rust for many years under “normal” conditions, but I’ve heard of EMT rusting within 5 years. The environment can make a difference. Cuts in the conduit and scratches can expose ungalvanized metal, so cut or scratched conduit may develop rust sooner. RMC has a thicker coating, so it will resist rust longer than EMT.

  3. #3
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    Default Re: Will rigid conduit rust?

    Great, thanks!

  4. #4
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    Mar 2015
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    Default Re: Will rigid conduit rust?

    Also a good reason to protect the threads.

    Sent from my SM-A505U using Tapatalk
    Rayhjr I Love This Stuff!

  5. #5
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    Default Re: Will rigid conduit rust?

    Quote Originally Posted by rayhjr View Post
    Also a good reason to protect the threads.

    Sent from my SM-A505U using Tapatalk
    Yes, I have some aeroshell 33 that I plan to use on the threads.

  6. #6
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    Default Re: Will rigid conduit rust?

    My mega tree pole is 1 1/2 EMT and has no rust after 4 years of use


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  7. #7
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    Dec 2019
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    Default Re: Will rigid conduit rust?

    Quote Originally Posted by TSL View Post
    My mega tree pole is 1 1/2” EMT and has no rust after 4 years of use


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