What is the difference between EWS and DOM mild steel?

I saw these two different options listed for roll cage material. Is one lighter than the other, is welding different between them?

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  • 1 decade ago
    Best Answer

    DOM is DRAWN OVER MANDREL so there is no seam line inside of the tubing. I think EWS is just standard mild steel tubing the only advantage of the DOM is the more exact Inner diameter

  • 1 decade ago

    I am not sure what EWS is, but you may be thinking of ERW, or more commonly known as mild steel This type of tubing has seam that is a welded. DOM or drawn over mandrel is just that, steel drawn over a mandrel to form the tube.

    DOM is stronger, and more expensive.

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