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Re: Channel

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Michael,

I agree with Scott.  It looks like it is a 12C30.  A 12" JR has a flange 
width of only 1.5".

If you need any additional information, please let me know.

A. Roger Turk, P.E.(Structural)
Tucson, Arizona

Scott Maxwell wrote:

>>Michael:

>From the 5th edition manual (copyrighted 1947 & reprinted 1959) that I
have, the only channel with a flange width of ~3.25" is a 12C30.  The
flange with is 3 1/8" and flange mean thickness is 1/2".

Hope that helps,

Scott


On Mon, 23 Oct 2000, Roger Turk wrote:

> Michael,
> 
> With a flange width of ~3.25", it is definitely *not* a Junior Channel.  I 
> will check my 1948 AISC manual within an hour and get back to you, but, it 
> looks like it might be a 12C30, 12MC30.9 or 12MC32.9.<<