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Re: UBC & IBC wood panel on steel stud shearwalls - acceptable steel Fy and thickness

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The answer to your 6th question is Wyoming --

"Haan, Scott M." wrote:
> 
> UBC & IBC wood panel on steel stud shearwalls - acceptable steel Fy and
> thickness:
> 
> 97 UBC Table 22-VIII-C note 3 indicates steel framing needs to be ASTM A 653
> SQ grade 33 and should have an uncoated base metal thickness less than .043"
> .  2000 IBC 2211.2.1 note 1 indicates "...shall be of the following grades
> of structural quality steel: ASTM A 653 SS Grade 33, ASTM A 792 SS Grade 33
> or ASTM A 875 SS Grade 33."
> 
> The 97 UBC appears to limit you to 18 and 20 gauge studs galvanized SQ
> "structural quality" studs with Fy=33 ksi.  The 2000 IBC appears to limit
> the steel to Fy=33 ksi and 18 gage minimum.
> 
> Is 50 ksi framing ok?  Are 16 gauge studs ok?   Why?  Why not?  What does
> the SS mean in the ASTM designation?  Which state is the second largest next
> to Alaska?
> 
> Thanks!
> 
> Scott M Haan P.E.
> Plan Review Engineer
> Building Safety Division
> Development Services Department
> Municipality of Anchorage
> http://www.muni.org/building
> phone:907-343-8183
> fax:907-249-7399
> mailto:haansm(--nospam--at)ci.anchorage.ak.us
> 
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-- 
++++++++++++++++++++++++++
Forrest T. Braun, P.E.
BBFM Engineers, Inc.
Ph (907)274-2236
Fx (907)274-2520
Anchorage, Alaska
http://www.bbfm.com
++++++++++++++++++++++++++

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