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  1. #1
    Veteran Member orezok's Avatar
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    Mojave Desert, CA
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    Kubota B7800

    Default Magic steel

    I needed to build some cages for my fruit trees and I remembered that there were still a couple of 20' pieces of #4 rebar left over from my house build 7 years ago. These have been laying on the ground unprotected in the open for the entire 7 years.

    Must be some kind of Magic Steel, it doesn't rust.

    -rebar-jpg

  2. #2
    Bronze Member
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    Indiana
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    Kubota L3940HST, Kubota 7510HST (traded)

    Default Re: Magic steel

    it may have something to do with your location....

  3. #3
    Platinum Member adirondackmtnman's Avatar
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    Black Brook, NY
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    JD 5045D

    Default Re: Magic steel

    It could be galvanized, but it looks too dark to a galvanized coating. It's possible that it's a painted coating that looks a lot like the original steel. try looking at the cut ends, or cutting a little off the end and exposing it to moisture. If it still doesn't rust, maybe the recycled alloy they used to make it is corrosion resistant, hard to believe it would be some sort of stainless alloy though, as they weed out the more expensive metals when recycling...
    "Speak softly and carry a big stick; you will go far." ~Theodore Roosevelt

  4. #4
    Veteran Member
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    West Cascades Washington State
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    PT 422

    Default Re: Magic steel

    Quote Originally Posted by stub View Post
    it may have something to do with your location....
    Im thinking.

  5. #5
    Veteran Member orezok's Avatar
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    Default Re: Magic steel

    Quote Originally Posted by cqaigy2 View Post
    Im thinking.
    It is kinda dry out here, but 7 years?

    Rebar is mostly made from recycled steel, so maybe this batch contained a bunch of stainless or moly.

  6. #6
    Super Star Member J_J's Avatar
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    JACKSONVILLE, FL
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    Power-Trac 1445, KUBOTA B-9200HST

    Default Re: Magic steel

    It is probably epoxy coated rebar. It is supposed to protect against corrosion in concrete.

    You can see where the rust is coming through due to rough handling. .

    Epoxy Coated Rebar - Corrosion Resistant Rebar | Harris Supply Solutions

    http://solutions.3m.com/wps/portal/3...be4QCCD178ZXgl

    http://www.youtube.com/watch?v=QWUpMWJtgvc

    Just grind the coating off and watch it rust.
    J.J.

    When I works, I works hard. When I sits and thinks, I goes to sleep.

    Git er done.

  7. #7
    Platinum Member
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    Piedmont Triad, NC
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    Didn't intend to have a Deere fleet - it just happened

    Default Re: Magic steel

    Doesn't look like epoxy coated ( thanks JJ for the link) but more likely sprayed with oil or such. Desert conditions are more likely the reason for so little rust. Bring it East and it'll rust for sure.

  8. #8
    Platinum Member
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    Sno WA
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    JD 950

    Default Re: Magic steel

    Quote Originally Posted by J_J View Post
    It is probably epoxy coated rebar. It is supposed to protect against corrosion in concrete
    Epoxy coated bar is very green

  9. #9
    Platinum Member adirondackmtnman's Avatar
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    Black Brook, NY
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    Default Re: Magic steel

    Quote Originally Posted by hosspuller View Post
    Doesn't look like epoxy coated ( thanks JJ for the link) but more likely sprayed with oil or such. Desert conditions are more likely the reason for so little rust. Bring it East and it'll rust for sure.
    Likely not oil...after all that's what the concrete guys use to get their forms to release...Wouldn't work well trying to get the concrete to bond to the rebar.
    "Speak softly and carry a big stick; you will go far." ~Theodore Roosevelt

  10. #10
    Platinum Member adirondackmtnman's Avatar
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    Black Brook, NY
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    Default Re: Magic steel

    There are a few companies out there marketing a basalt rebar, but I don't think there's any iron content in those products...
    "Speak softly and carry a big stick; you will go far." ~Theodore Roosevelt

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