HSS3.5 Round Tube Sizes
The HSS3.5 Round series runs 7 sizes, from HSS3.5x.313 at 10.66 lb/ft to HSS3.5x.125 at 4.51 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.
HSS3.5 Round sizes, heaviest first
| Size | lb/ft | OD (in) | t (in) | A (in²) | Ix (in⁴) | Sx (in³) | Zx (in³) |
|---|---|---|---|---|---|---|---|
| HSS3.5x.313 | 10.66 | 3.5 | 0.291 | 2.93 | 3.81 | 2.18 | 3 |
| HSS3.5x.3 | 10.26 | 3.5 | 0.279 | 2.82 | 3.69 | 2.11 | 2.9 |
| HSS3.5x.25 | 8.69 | 3.5 | 0.233 | 2.39 | 3.21 | 1.83 | 2.49 |
| HSS3.5x.216 | 7.58 | 3.5 | 0.201 | 2.08 | 2.84 | 1.63 | 2.19 |
| HSS3.5x.203 | 7.15 | 3.5 | 0.189 | 1.97 | 2.7 | 1.54 | 2.07 |
| HSS3.5x.188 | 6.66 | 3.5 | 0.174 | 1.82 | 2.52 | 1.44 | 1.93 |
| HSS3.5x.125 | 4.51 | 3.5 | 0.116 | 1.23 | 1.77 | 1.01 | 1.33 |
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