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Unread 09-01-2013, 10:27 PM   #71
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OH Osthaus
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may we also add that the proof was done in original condition and many if not most damascus and even early steel barrels have been "cleaned up"

so what they were proofed for and what they are now safe with are likely two different things. one of my letters states it went back to have barrel work including opening the chokes and back again years later to be "cleaned out", comparing the condition of the outside to the shiny insides when I found it I have no doubt it was done a third time.

all this left a minimum of 30 thousands in the front half. comfortable by most folks standards.

people new to damascus have concerns, they should be taken seriously, then educated
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Unread 09-04-2013, 09:05 PM   #72
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Dean, I do apologize for my facetious remark. No offense was meant. I was only trying to say the same thing you said: This post is exhausted. Sorry, David
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Unread 09-04-2013, 10:17 PM   #73
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Hey David - No apology is necessary.

I completely understood your comment and find no fault with it at all.

I hope I didn't come across as a grouch. If I did I apologize for that.
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Unread 07-13-2014, 11:23 AM   #74
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Gentlemen and others,

I am reviving this thread about Minimum Barrel Wall Thickness because that question was asked elsewhere. If you are wondering about minimum barrel wall thickness please read this entire thread for a quick but solid education on the subject!

Mark
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Unread 07-13-2014, 11:51 AM   #75
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We do have more information now that the tensile strength of both pattern welded and fluid steel has been reported. Short version is here
http://www.lcsmith.org/faq/thickness.html
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Unread 07-13-2014, 11:54 AM   #76
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Thanks Drew,

We need to incorporate that into facts page of this PGCA site, with your permission of course!

Respectfully,
Mark
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Unread 07-13-2014, 12:01 PM   #77
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Of course

I don't want to give everything away before the article, but this is relevant:

Winchester Nickel Steel from Bethlehem Steel Co. Jan. 1900
http://books.google.com/books?id=Yzh...J&pg=PA181&lpg
Tensile Strength 106,900 psi

Courtesy of Walt Snyder, A.P. Curtis, General Manager of the Ithaca Gun Co. requested composition analysis and tensile strength testing on a section “cut from a barrel made in Belgium” performed by E.J. Stormer, Racine, Wisconsin in 1919. Tensile strength was “about 70,000 psi”.
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Unread 07-14-2014, 07:59 PM   #78
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This should be a "Sticky" Please
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Unread 07-14-2014, 10:37 PM   #79
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What is the numerical correlation between barrel tensile strength and barrel rupture psi ? I thought the relevant measurement was psi at rupture as an indicator of ultimate strength
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Unread 07-05-2023, 05:12 PM   #80
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