HSS20 Round Tube Sizes
The HSS20 Round series runs 8 sizes, from HSS20x1.0 at 203.11 lb/ft to HSS20x.25 at 52.78 lb/ft. They share one outside diameter, so the sizes in it differ only in wall thickness and every one of them fits the same saddle.
HSS20 Round sizes, heaviest first
| Size | lb/ft | OD (in) | t (in) | A (in²) | Ix (in⁴) | Sx (in³) | Zx (in³) |
|---|---|---|---|---|---|---|---|
| HSS20x1.0 | 203.11 | 20 | 0.93 | 55.7 | 2,540 | 254 | 338 |
| HSS20x.875 | 178.89 | 20 | 0.814 | 49 | 2,260 | 226 | 300 |
| HSS20x.75 | 154.34 | 20 | 0.698 | 42.3 | 1,970 | 197 | 260 |
| HSS20x.625 | 129.45 | 20 | 0.581 | 35.5 | 1,670 | 167 | 219 |
| HSS20x.5 | 104 | 20 | 0.465 | 28.5 | 1,360 | 136 | 177 |
| HSS20x.375 | 78.67 | 20 | 0.349 | 21.5 | 1,040 | 104 | 135 |
| HSS20x.313 | 65.77 | 20 | 0.291 | 18 | 874 | 87.4 | 113 |
| HSS20x.25 | 52.78 | 20 | 0.233 | 14.4 | 705 | 70.5 | 90.9 |
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