W8 Beam Sizes
The W8 series runs 13 sizes, from W8x67 at 67 lb/ft to W8x10 at 10 lb/ft. They share a nominal depth and a common set of rolls, so a size change within the series usually keeps the connection detail intact.
W8 sizes, heaviest first
| Size | lb/ft | d (in) | A (in²) | Ix (in⁴) | Sx (in³) | Zx (in³) |
|---|---|---|---|---|---|---|
| W8x67 | 67 | 9 | 19.7 | 272 | 60.4 | 70.1 |
| W8x58 | 58 | 8.75 | 17.1 | 228 | 52 | 59.8 |
| W8x48 | 48 | 8.5 | 14.1 | 184 | 43.2 | 49 |
| W8x40 | 40 | 8.25 | 11.7 | 146 | 35.5 | 39.8 |
| W8x35 | 35 | 8.12 | 10.3 | 127 | 31.2 | 34.7 |
| W8x31 | 31 | 8 | 9.13 | 110 | 27.5 | 30.4 |
| W8x28 | 28 | 8.06 | 8.25 | 98 | 24.3 | 27.2 |
| W8x24 | 24 | 7.93 | 7.08 | 82.7 | 20.9 | 23.1 |
| W8x21 | 21 | 8.28 | 6.16 | 75.3 | 18.2 | 20.4 |
| W8x18 | 18 | 8.14 | 5.26 | 61.9 | 15.2 | 17 |
| W8x15 | 15 | 8.11 | 4.44 | 48 | 11.8 | 13.6 |
| W8x13 | 13 | 7.99 | 3.84 | 39.6 | 9.91 | 11.4 |
| W8x10 | 10 | 7.89 | 2.96 | 30.8 | 7.81 | 8.87 |
Nominal depth is not actual depth; the tabulated d above is what to detail to.
Relevant tools
- Steel Shape Properties Table
search and compare across every series
- Beam Shear, Moment and Deflection Diagram Calculator
check a span made up of one of these sizes
- All Shape Series
every published series, W-shapes through round HSS