HP18 H-Pile Sizes
The HP18 series runs 4 sizes, from HP18x204 at 204 lb/ft to HP18x135 at 135 lb/ft. They share a nominal depth and a common set of rolls, so a size change within the series usually keeps the splice and the driving shoe detail intact.
HP18 sizes, heaviest first
| Size | lb/ft | d (in) | A (in²) | Ix (in⁴) | Sx (in³) | Zx (in³) |
|---|---|---|---|---|---|---|
| HP18x204 | 204 | 18.3 | 60.2 | 3,480 | 380 | 433 |
| HP18x181 | 181 | 18 | 53.2 | 3,020 | 336 | 379 |
| HP18x157 | 157 | 17.7 | 46.2 | 2,570 | 290 | 327 |
| HP18x135 | 135 | 17.5 | 39.9 | 2,200 | 251 | 281 |
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