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Pre-Engineered Main Frame Steel

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BadgerPE

BadgerPE

Structural
Joined
Jan 27, 2010
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500
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Hello all,

Any thoughts to what the yield stress would have been for the main frame of a PEMB constructed circa 1970? I have evaluated with A36 but am wondering if at that time it would have been more prevalent to use A572 or something else?
 
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No way of telling without taking a coupon and checking. But I wouldn't assume A572 without some kind of evidence.
 
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A big thing with PEMB's is that often they were constructed for a different site, with different loading requirements... just a caution...

Dik
 
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In addition to the above, they sometimes use(d) different grades of steel in the same frame.
 
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