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  1. #11
    Elite Member /pine's Avatar
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    Default Re: Magic steel

    off the wall I know...but is it possible that decaying organic matter (methane) under the bars was displacing/reducing the oxygen around the bars?
    Slash Pine
    blunt and succinct but sincere...in the immortal words of Popeye..."I yam what I yam"

  2. #12
    Super Member Gary Fowler's Avatar
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    Default Re: Magic steel

    It is just the mill scale that is covering it. It resist rust pretty well, but it will rust in wet or salty conditions.
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 2013 Ferris Zero Turn, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp Miller AC/DC welding machine and all the tools needed to keep them all repaired and running.

  3. #13
    Platinum Member adirondackmtnman's Avatar
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    Default Re: Magic steel

    Quote Originally Posted by Gary Fowler View Post
    It is just the mill scale that is covering it. It resist rust pretty well, but it will rust in wet or salty conditions.
    It does look like the gray scale you get when you heat steel to the red/yellow range for forging, although I've never tested it's rust resistance properties, it makes sense since that's just really accellerated corrosion anyway...
    "Speak softly and carry a big stick; you will go far." ~Theodore Roosevelt

  4. #14
    Veteran Member orezok's Avatar
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    Mojave Desert, CA
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    Default Re: Magic steel

    It's not coated rebar. I've built over $500 million worth of schools and I'm pretty sure I've seen it a time or 2. The bar was mostly exposed with just a little of blow sand over parts of it. No nearby vegetation. I concur that the mill scale has probably protected it except where the blow sand has sand blasted it off. Lots of wind out here.

    Of course, with only 0.77" of rain last year, there is not much to get rust started. Strangely enough, there is a third length from the same build that is completely rusted. It was laying in an area of high clay content which may have held more moisture.

  5. #15
    Veteran Member orezok's Avatar
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    Default Re: Magic steel

    As far as the zinc chromate coating used on rebar (yellow/green coating), it is usually placed over rebar that has been galvanized for use in bridges and other public works projects. The zinc chromate is there to protect the galvanizing from the corrosive salts in concrete.

  6. #16
    Silver Member
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    Kubota L4240HST

    Default Re: Magic steel

    Quote Originally Posted by stub View Post
    it may have something to do with your location....
    Hello Mojave! Yes, it may have something to do with your, um, location. Plus, if you ever did get some moisture, I'm sure the wind would move it along just fine.
    If only I'd known then what I know now...except none of this existed back then.

  7. #17
    Veteran Member dusty3030's Avatar
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    Default Re: Magic steel

    29 Palms flashback - Ahhhhhhhhhhhh!!!!!!!

    Ok, sorry about that, had to get that out of my system. Desert aint kind to a boy from the Mississippi River delta region of Arkansas, I kind of like water and humidity. Heat aint the bother but dry don't suit me.

  8. #18
    Veteran Member orezok's Avatar
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    Default Re: Magic steel

    Quote Originally Posted by dusty3030 View Post
    29 Palms flashback - Ahhhhhhhhhhhh!!!!!!!

    Ok, sorry about that, had to get that out of my system. Desert aint kind to a boy from the Mississippi River delta region of Arkansas, I kind of like water and humidity. Heat aint the bother but dry don't suit me.
    My wife, a retired navy Captain previously stationed at Naval Hospital 29P, noted that about half the staff absolutely hated the desert, the other half absolutely loved it. There wasn't much middle ground.

    We loved it so we stayed in the desert after she retired. I lived about 25 years in San Diego and she did a couple of tours in SD and one at Camp Pendleton (Oceanside) before we came to the desert.

  9. #19
    Super Member Gary Fowler's Avatar
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    Default Re: Magic steel

    Quote Originally Posted by orezok View Post
    My wife, a retired navy Captain previously stationed at Naval Hospital 29P, noted that about half the staff absolutely hated the desert, the other half absolutely loved it. There wasn't much middle ground.

    We loved it so we stayed in the desert after she retired. I lived about 25 years in San Diego and she did a couple of tours in SD and one at Camp Pendleton (Oceanside) before we came to the desert.
    I can certainly understand that, different strokes for different folks and desert is not the stroke for me or maybe I would have a stroke if I lived in the desert.
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 2013 Ferris Zero Turn, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp Miller AC/DC welding machine and all the tools needed to keep them all repaired and running.

  10. #20
    Super Star Member J_J's Avatar
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    Default Re: Magic steel

    7 years out in the open.

    How long do you think the basic gray manufacturer coating would last?

    They are already starting to rust out of the steel mill.
    J.J.

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

    Git er done.

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