Quote:
Originally Posted by mickmate
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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I hear its the best , for stuff like that my a arms are of the same stuff, and my drive line.