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RE: Structural Stud/Joist Designations

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Title: RE: Structural Stud/Joist Designations


The designation 362CSJ18 is being used by Dietrich.  362 signify 3- 5/8" deep channel.  18 of course means gage 18 and CSJ has flange width of 1- 5/8" and a return lip of 1/2".  A=.34  Ix=.710  Sx=.392  Iy=.127  Sy=.117.

Hope this will help.

Engr. Alfonso S. Quilala Jr., P.E.

-----Original Message-----
From: Bill Polhemus [mailto:bpolhem(--nospam--at)]
Sent: Tuesday, January 16, 2001 10:41 AM
To: seaint(--nospam--at); aec-residential(--nospam--at)
Subject: Structural Stud/Joist Designations

Could someone set me straight on something?

I am not well-versed in steel stud terminology.

I have an architect's drawings showing the designation 362CSJ18, which I assume
is some sort of "Channel-shaped Stud-Joist" shape. Of course the architect
hasn't a clue what the designation means; he's just copying it drawings that got
it from other drawings, etc., down three or four generations. I did find one
reference to this shape, at, but
there is no information beyond the fact that it is one of many types of
"Structural" as opposed to "Drywall" framing.

I see that a relatively new organization, the Steel Stud Manufacturers
Association (SSMA; just what we need, another acronym to remember!), has now
published specification tables, which can be found in .PDF format at and in which I can find no reference to
anything like 362CSJ18. Either that designation is proprietary or the SSMA has
REVISED the "official" designations (don't you love it when they do that? Like
TS ->> HSS?)

Can anyone point me in the direction of where I want to be? And if this section
turns out to be not sufficient (big surprise there, where my experience with
this architect is concerned), should I use the SSMA specification?


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