W10×77 wide-flange beam
Detailing dimensions and section properties from the AISC Shapes Database, 16th Edition. Values are shown to the nearest 1/16 in. as they appear on a shop drawing.
W10×77 measures 10 5/8 in. deep with a 10 1/4 in. flange, on a 1/2 in. web and 7/8 in. flanges.
At 77 lb per foot it is one of the 18 W10 sizes, which run from 12 to 112 lb/ft.
For strong-axis bending its section modulus is Sx = 85.9 in³ and its moment of inertia Ix = 455 in⁴, with a plastic modulus Zx = 97.6 in³.
Detailing dimensions
| Depth (d) | 10 5/8" |
|---|---|
| Flange width (bf) | 10 1/4" |
| Web thickness (tw) | 1/2" |
| Flange thickness (tf) | 7/8" |
| k (detailing) | 1 9/16" |
| Workable gage (g) | 5 1/2" |
Section properties
| Weight | 77 lb/ft |
|---|---|
| Area (A) | 22.7 in² |
| Ix | 455 in⁴ |
| Sx | 85.9 in³ |
| Zx | 97.6 in³ |
| rx | 4.49 in |
| Iy | 154 in⁴ |
| Sy | 30.1 in³ |
| Zy | 45.9 in³ |
| ry | 2.6 in |
| J | 5.11 in⁴ |
Other W10 sizes
Same nominal size, different weight — useful when you are checking a substitution or a lighter section.
All W10 sizes and dimensions →
Similar weight wide-flange beams
Comparable 77 lb/ft sections in other wide-flange beam sizes.
Compare W10×77 with a nearby size
Detailing values are rounded to the nearest 1/16 in. per the AISC Steel Construction Manual. Verify critical dimensions against the current Manual before fabrication. Need W10×77 cut, formed, or fabricated? Huntington Steel & Supply Co.
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