happened in the early 197'0s. I know Armco owned them in the mid 1970's.
Armco changed the chords to cold formed hat sections to make the J series
which did not last long until they went to 50 grade steel and went to the H
series.
Regards,
Harold Sprague
>From: Michael Hemstad <mhemstad@mbjeng.com>
>Reply-To: <seaint@seaint.org>
>To: seaint@seaint.org
>Subject: Sheffield Joists
>Date: Thu, 24 May 2007 11:52:50 -0500
>
>I have a joist tag from a 14 inch open-web bar joist that reads "1678
>146-195F" and which was made by the Sheffield Steel Corporation. The joist
>chords are hot-rolled angles.
>
>I don't know when the structure (a mezzanine floor) was built; a reasonable
>guess would be the 1970's or 1980's, but it is an addition to a much older
>building and we have no drawings.
>
>I've looked through the SJI 50 Year Digest, but without knowing when it was
>built, I don't get very far.
>
>Does anyone know how to determine what type of joist (S, H, J, etc.) this
>tag comes from? I have some old Sheffield tables, but again without more
>information I come up short.
>
>Thanks for any help.
>
>Mike Hemstad
>MBJ
>Minneapolis, Minnesota
>
>Michael Hemstad, P.E.
>
>
>Meyer, Borgman and Johnson, Inc.
>
>12 South Sixth Street
>Suite 810
>Minneapolis, MN 55402
>(612) 338-0713 (main)
>(612) 604-3621 (direct)
>(612) 337-5325 (fax)
>www.mbjeng.com
>
><< LogoForE-mailSignature.bmp >>
_________________________________________________________________
Like the way Microsoft Office Outlook works? You'll love Windows Live
Hotmail.
http://imagine-windowslive.com/hotmail/?locale=en-us&ocid=TXT_TAGHM_migration_HM_mini_outlook_0507
******* ****** ******* ******** ******* ******* ******* ***
* Read list FAQ at: http://www.seaint.org/list_FAQ.asp
*
* This email was sent to you via Structural Engineers
* Association of Southern California (SEAOSC) server. To
* subscribe (no fee) or UnSubscribe, please go to:
*
*
http://www.seaint.org/sealist1.asp
*
* Questions to seaint-ad@seaint.org. Remember, any email you
* send to the list is public domain and may be re-posted
* without your permission. Make sure you visit our web
* site at: http://www.seaint.org
******* ****** ****** ****** ******* ****** ****** ********