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RE: Upset Rods[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "'seaint(--nospam--at)seaint.org'" <seaint(--nospam--at)seaint.org>
- Subject: RE: Upset Rods
- From: Harold Sprague <harold.sprague(--nospam--at)neenan.com>
- Date: Fri, 29 Jan 1999 17:17:50 -0700
I don't know what the materials are, but I presume it is weldable. The welding is not a bad option if you stress relieve, grind, and NDT inspect the welds. Regards, Harold Sprague, P.E. The Neenan Company 2620 E. Prospect Ave., Suite 100 Fort Collins, CO 80525 voice 970-416-7298 fax 970-493-5869 harold.sprague(--nospam--at)neenan.com -----Original Message----- From: Fredericks, Douglas/SAC [mailto:DFreder1(--nospam--at)CH2M.com] Sent: Friday, January 29, 1999 4:23 PM To: 'SEAOC Mailing List' Subject: Upset Rods Hello Listers: I have a project to replace 1" square rods with threaded, circular upset ends on a 100 year old pin connected truss. I'd like to make the historical folks happy and replace the member with a new upset ended rod. This would be performed by heating the end of a new rod to 1900 degrees and forging it in a form. The other option would be to full pen weld a rod to another rod with a slightly larger diameter and grind the connection between the two pieces to look like an upset end. Both procedures have advantages and disadvantages. Welding seems simpler but the forging process is more historically appropriate. Either process heats up the member and introduces secondary stresses, but I'm somehow more comfortable with the welding. Welding is also cheaper and no one except me and the welder would know the difference. Any thoughts?
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