Steel Beam Flange Vs Web

The flanges resist bending while the web takes on the shear force.

Steel beam flange vs web.

I beams i shaped cross section w wide flange steel beam i shaped cross section have parallel flange surfaces. The width is the flange and the height is the web. American wide flange beams according astm a6 metric units for full table with depth width web and flange thickness and section area rotate the screen. S american standard beam i shaped cross section have a slope on the inner flange surfaces.

This shape is very efficient for carrying loads of weight without bending. First wide flange steel beam has parallel flanges while s shaped i beam has tapered flanges which have a slope on the inside surface. 23 web local buckling cont. H beam has wider flanges than i beam but i beam has tapered edges.

Wide flange beams are designated by the letter w followed by the nominal depth in inches and the weight in pounds per foot. Properties in imperial units of american wide flange beams according astm a6 are indicated below. An i beam also known as h beam for universal column uc w beam for wide flange universal beam ub rolled steel joist rsj or double t especially in polish bulgarian spanish italian and german is a beam with an i or h shaped cross section the horizontal elements of the i are flanges and the vertical element is the web i beams are usually made of structural steel and are. Reinforcement may be for bending moment flanges or shear web.

Standard i beam and s beam the standard i beam is named for their distinctive shape similar to a capital letter i. M miscellaneous shapes cannot be classified as standard i beams w s hp. A wide flange beam with wider flanges and web than the i beam can handle more weight but this makes it heavier overall. The h beam tends to be heavier than the i beam which is why some say it is better than the i beam but this is subjective as the h beam is generally heavier.

Second for the wide flange beam the width of web and flange is almost equal while for the s beam the flange is a lot narrower than the web. Steel beam reinforcement jonathon c. Wide flange beam dimensions chart for sizes dimensions and section properties of steel wide flange beams. Creviston p e secb 1.

Compact web yielding noncompact web slender web nominal flexural strength mn min compression flange yielding ltb compression flb tension flange yielding 22 web local buckling cont failure mode the web of a beam can also buckle locally when the bending stress in the web exceeds the critical stress. An i beam has tapered flanges with a narrower flange than most wide flange beams making it a lighter building material. The horizontal pieces are known as flanges and the vertical piece is called the web. Thus w12 19 designates a wide flange beam with a depth of 12 inches and a nominal weight of 19 pounds per foot.

Hp bearing pile h shaped cross section have parallel flange surfaces and equal web and flange thicknesses.