Steel Beam Sizes / AISC / HSS Round / HSS 5.500x0.258
HSS 5.500x0.258 Dimensions, Weight and Section Properties
AISC Round HSS · v16.0
HSS 5.500x0.258: 14.46 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
Need this steel supplied or fabricated?
Request project pricing for delivery in the United States or Canada.
Get a steel quote →Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HSS 5.500x0.258 dimensions
Not to scale. Dimensions shown for reference.
Section properties
Symbols match the steel section finder. Imperial and metric values are shown side by side.
| Property | Imperial | Metric |
|---|---|---|
| Weight | 14.46 lb/ft | 21.50 kg/m |
| OD | 5.500 in | 140.000 mm |
| Nominal tw | 0.258 in | 6.550 mm |
| Design tw | 0.240 in | 6.100 mm |
| Area | 3.97 in² | 2,560.00 mm² |
| Ix | 13.70 in⁴ | 5,700,000 mm⁴ |
| Iy | 13.70 in⁴ | 5,700,000 mm⁴ |
| Sx | 5.00 in³ | 81,900.00 mm³ |
| Sy | 5.00 in³ | 81,900.00 mm³ |
| Zx | 6.64 in³ | 109,000.00 mm³ |
| Zy | 6.64 in³ | 109,000.00 mm³ |
| rx | 1.86 in | 47.20 mm |
| ry | 1.86 in | 47.20 mm |
| J | 27.50 in⁴ | 11,400,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HSS 5.500x0.258.
Source: AISC Shapes Database v16.0 · Methodology