Any reputable supplier of specialty steels, such as 4130, will
routinely provide you with the metalurgical test results for the steel
tubing you have purchased. Some suppliers charge a few dollars for the
I wouldn't use a specialty steel without having the test document,
otherwise there is no way to have confidence in your installation!
> Forwarded message:
> From: KB3X@msn.com (Scott Hudler)
> I do have a question or two. I have determined that with my three antennas I
> will need a mast capable of 65000 PSI Y.S. It also recommends .250" wall
> thickness. Will it matter what the wall thickness is as long as the Y.S. is
> at least the desired value? The supplier I found claims that his 4130 .250"
> wall is rated at 100,000 PSI or better and that I probably could go with
> .188" or .156" wall instead. Any thoughts?
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