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grades of tubing?

Discussion in 'The Garage' started by yunit, Jul 23, 2002.

  1. yunit

    yunit 1/2 ton status

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    Oakland, NJ
    Just wondering what the different types of steel tubing are available and what order of strength they would fall under?
     
  2. Jeff427

    Jeff427 1/2 ton status

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    I am by no means any kind of expert, but I have found some general info;

    Chrome Molly - Strong and light, expensive
    DOM (Drawn Over Mandrel) - Strong but a bit heavier
    CREW (Cold Rolled Electric Welded) - General purpose nearly as strong as DOM
    HREW (Hot Rolled Electric Welded) - Good for general purpose

    Sorry I can't be more specific, /forums/images/icons/crazy.gif I just don't know any more than this at this point. Hopefully someone else can give some numbers to show the actual differences.

    Thanks for the correction, Butch /forums/images/icons/wink.gif.
     
  3. Butch

    Butch 1/2 ton status

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    In round Jeff pretty much covered it except Cold rolled (about same strength as DOM but DOM has the seam almost undetectable.) is stronger than Hot rolled as rolling it cold work hardens it. In square the standard rating is A-500Grade B.
     

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