On 12/27/12 10:51 AM, Mike Ryan wrote:
I'm not a metallurgist either. I might have been sold chain link fence
railings, but whatever it was I dragged up 160ft in the air, it work
pretty well. I just googled 4130 and found the text below. All I can
tell you is what I recall from memory of events of nearly 20 years ago.
Your results may vary, good luck, good dx/ -M
4340 (chromoly) Normalized Alloy Steel
Minimum Properties Ultimate Tensile Strength, psi 186,000
Yield Strength, psi 125,000
That's for 4340, not 4130.. Different alloy and all..
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