There are 13 W8 shapes in the AISC Shapes Database v16.0, from W8x10 (10 lb/ft) to W8x67 (67 lb/ft). All are nominally 8 in deep; actual depth increases with weight.
| Shape | Weight (lb/ft) | Area (in²) | Depth (in) | Flange width (in) | Web (in) | Flange (in) | Ix (in⁴) | Sx (in³) |
|---|---|---|---|---|---|---|---|---|
| W8x10 | 10 | 2.96 | 7.89 | 3.94 | 0.17 | 0.205 | 30.8 | 7.81 |
| W8x13 | 13 | 3.84 | 7.99 | 4 | 0.23 | 0.255 | 39.6 | 9.91 |
| W8x15 | 15 | 4.44 | 8.11 | 4.02 | 0.245 | 0.315 | 48 | 11.8 |
| W8x18 | 18 | 5.26 | 8.14 | 5.25 | 0.23 | 0.33 | 61.9 | 15.2 |
| W8x21 | 21 | 6.16 | 8.28 | 5.27 | 0.25 | 0.4 | 75.3 | 18.2 |
| W8x24 | 24 | 7.08 | 7.93 | 6.5 | 0.245 | 0.4 | 82.7 | 20.9 |
| W8x28 | 28 | 8.25 | 8.06 | 6.54 | 0.285 | 0.465 | 98 | 24.3 |
| W8x31 | 31 | 9.13 | 8 | 8 | 0.285 | 0.435 | 110 | 27.5 |
| W8x35 | 35 | 10.3 | 8.12 | 8.02 | 0.31 | 0.495 | 127 | 31.2 |
| W8x40 | 40 | 11.7 | 8.25 | 8.07 | 0.36 | 0.56 | 146 | 35.5 |
| W8x48 | 48 | 14.1 | 8.5 | 8.11 | 0.4 | 0.685 | 184 | 43.2 |
| W8x58 | 58 | 17.1 | 8.75 | 8.22 | 0.51 | 0.81 | 228 | 52 |
| W8x67 | 67 | 19.7 | 9 | 8.28 | 0.57 | 0.935 | 272 | 60.4 |
See all depths in the wide flange beam sizes chart, or get total weight with the steel beam weight calculator.
Source: AISC Shapes Database v16.0, consistent with the AISC Steel Construction Manual, 16th Edition. Last updated: September 2026. Reference information only, not engineering advice. Disclaimer.