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RE: Steel Designations

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Well, I have found the answer to my own question. UB
and UC denote Universal Beam and Universal Column per
British Standards. These are, typically, "I" beams
with the first number representing the depth, the
second number, the width and the third number is the
weight in kg/m.

Rajendran
--- Frank Griffin <fsg(--nospam--at)freese.com> wrote:
> Could it be cold-formed sections, one with a typo? 
> The 1996 AISI designates
> a C-section without lips as CU, and a C-section with
> lips as CS (maybe 'CB'
> is really 'CS').  Perhaps 20 is not really 20mm, but
> 0.20mm (which is how
> the light-gage thicknesses are noted in the 1996
> AISI).  
>  
> Frank
> 
> -----Original Message-----
> From: Dusit Roongsang [mailto:RoongsangDX(--nospam--at)c-b.com]
> Sent: Wednesday, April 25, 2001 11:58 AM
> To: seaint(--nospam--at)seaint.org
> Subject: Re: Steel Designations
> 
> 
> It may be the steel grade. (a wild guess)
> I suggest looking at the "General Notes" if
> provided. It may have definition
> for CU and CB. I'm familiar with SHS (square hollow
> section), RHS
> (rectangular hollow section) and CHS(circular hollow
> section).
>  
> One additional comment, 20mm thick section seem a
> bit thick to me.
> The thickest that I have ever call out is 12mm
> hollow sections.
> 
> >>> DWILLIAMSSEI(--nospam--at)aol.com 04/25/01 09:21AM >>>
> I was going to suggest the same.  The designations
> look suspiciously like 
> metric hollow sections, however in the U.S., the
> numbers would be preceded
> by 
> "HSS".  I don't have a clue what the "CU" and "CB"
> are referring to. 
> 
> David Williams, PE 
> Snyder Engineering 
> Columbia, MO 
> 
> 
> 


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