Old Beam Shape ID?
Old Beam Shape ID?
(OP)
Can anyone help ID an old beam shape designated CB 211? It is 21" x 58#.
Probably stands for "carriage beam". This one is approximately a W21 x 57#.
Customer requests duplication.
thanks,
CSC
Probably stands for "carriage beam". This one is approximately a W21 x 57#.
Customer requests duplication.
thanks,
CSC






RE: Old Beam Shape ID?
RE: Old Beam Shape ID?
Area 17.05, 8" flange, .36" web thick, I = 1253.2, S = 120.2, r = 8.61
Mike McCann
McCann Engineering
RE: Old Beam Shape ID?
There are 2 shown that weigh 58 plf. One a 21 x 8 and one a 21 x 8-1/4. All of the section properties are very similar but do vary by anyware from .1% to about 8%.
If you can find a copy of the book, the beams are on pages 54 and 55. If not, If you can provide the flange width, I will provide whatever information I can.
RE: Old Beam Shape ID?
http://www.slideruleera.net/CB211-Info.pdf
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RE: Old Beam Shape ID?
Thanks
RE: Old Beam Shape ID?
Will need some more data to determine the exact beam to give you the properties.
The 21" deep beams are CB 211's as you previously called for.
Mike McCann
McCann Engineering
RE: Old Beam Shape ID?
http://www.slideruleera.net/CB122-Info.pdf
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