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What are common wide-flange beam sizes?

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Some common American wide-flange beam sizes are W 27 x 178, W 24 x 162, W 21 x 147 and W 18 X 119. Standardized methods for sizes specify the dimensions through two measurements: the depth of the beam and the amount of weight in pounds per feet. Some smaller common wide-flange beam sizes are W 6 x 25, W 5 x 19 and W 4 x 13.

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The depth size in such beams could also be termed as height, and standard depth sizes could also have varying width sizes and pound-per-feet ratios. Web thicknesses, which is the thickness of the stem size in the typical I-shaped beam, may also vary for standard depth sizes. For example, the W 27 X 178 size has a width of 14.09 inches, a web thickness of 0.725 inches and a pound-to-foot ratio of 178, but the W 27 x 84 has a width of only 9.93 inches, a web thickness of 0.460 inches and a pound-to-foot ratio of 84.

Some depth measurements on the standard beam size chart have more variations than others when it comes to pound-to-foot ratios. For example, the standard beam size with a depth size of 12 inches has 21 variations, and the standard beam size with a depth size of 5 inches has only two variations.

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