February 9, 2011, 10:40 PM
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#12
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Senior Member
Join Date: March 15, 2005
Location: Central Connecticut
Posts: 3,166
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This is a Taylor's brochure naming the steels that their R&D conversion cylinder is made from, 4150 arsenal grade for the cylinders and 4140 for the top plate.
Last edited by arcticap; February 9, 2011 at 10:45 PM.
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