Actual tensile testing by METL here in Phoenix, a certified metal testing lab is here
https://docs.google.com/document/d/1...hfDxmrNAU/edit
Several of the segments were contributed by PGCA members
This might be helpful for those interested in facts rather than mythology
https://docs.google.com/document/d/1...hIiY62Hx4/edit
Unfortunately, the fate of about 30 barrels donated to 'Zircon' for metallurgical testing is unknown