12-30-2009, 08:44 PM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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Not Ranked
Yep you got it Chromoly from Chrome Moly 4130 it's strong enough alright we've used it for rollcage tubing. When the tech had to drill a hole in it to check wall thickness he couldn't drill it. Eventually got a hole thru it and made us take it out for being too thin. Strong though.
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