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1950 US Steel Structural Shapes Catalog - Now Available
3

1950 US Steel Structural Shapes Catalog - Now Available

1950 US Steel Structural Shapes Catalog - Now Available

3
(OP)
The latest scanning project is now complete, and I've uploaded this US Steel catalog to my website. It has not only the usual wide flange, channels, angles, etc., but also crane rails, corrugated sheets, sheet piling, floor plates, and "Wide Flange CBP Sections". The latter are H-piles... before US Steel used that nomenclature. See the top of this webpage:
http://www.slideruleera.net/miscellaneous.html

www.SlideRuleEra.net idea
www.VacuumTubeEra.net r2d2

RE: 1950 US Steel Structural Shapes Catalog - Now Available

Thank You

RE: 1950 US Steel Structural Shapes Catalog - Now Available

I know the Wide Flange (WF) has the same flat flanges that the H section does, and within the same WF group (8, 14, 24, 30 or whatever) the interior dimensions stack straight up to allow easier building columns to align from floor to floor, but why did the "powers-that-be" decide to duplicate the two? Clearly, they're different from the I-beam family (symmetric, equal-sloped flanges), but was there any background logic to the designation difference for starting the WF's? Or stopping the H family for that matter?

RE: 1950 US Steel Structural Shapes Catalog - Now Available

(OP)
For efficiency as beams, WF sections have relatively thin webs, compared to their flange thickness. There are exceptions for really small WF sections (W6x9 is an example - 3/16" flanges and web). For typical sizes, a thin web is all that is needed to provide adequate shear strength. Most of the steel is concentrated in the flanges to maximize bending strength.

Since they were introduced, H-pile web thickness equals their flange thickness. This is to maximize their life from soil / water corrosion. If a typical, similar sized WF were used as a pile, the (thin) web would corrode through long before the (thicker) flanges.

www.SlideRuleEra.net idea
www.VacuumTubeEra.net r2d2

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