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RE: 44 ksi Steel used in Canada ?

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This is the typical steel used since 1964 +/- until recently. Canadian Standard CSA G40.21-M is the standard for Structural Quality Steel. Since 1997 the standard has been 50 ksi.
The sections are an S15x42.9 and an S18x54.7. The can relate in size to the old American Standard beam sections (I think). Sounds like you are working on some large lift beams for under running trolleys.

David Handy, P.Eng
The Thompson Rosemount Group
Cornwall, Ontario, CANADA
The preceding was an off the record personal opinion only! (cya)

-----Original Message-----
From:	James F Fulton [SMTP:James_F_Fulton(--nospam--at)RohmHaas.Com]
Sent:	October 29, 1998 2:55 PM
To:	seaint(--nospam--at)
Subject:	44 ksi Steel used in Canada ?

I am working on a project that involves a chemical plant in West Hill, 
Ontario. In a 1975 report, the engineer says the structural steel  used has a 
yield of 44,000 psi. Is there a grade of steel used there with this minimum 
specified yield, or I am wondering if it is A36 and he is giving the tested 

There is also a beam identified as 15 x 5-1/2 I 42.9 and one that is        
18 I @ 54.7 with section modulus stated as 89.3. I don't see anything exactly 
like that in the AISC. Are these Canadian sizes ? 


Jim Fulton