Steel Beam Sizes / CISC / HSS Round / HS508×19
HS508×19 Steel Beam Dimensions and Properties
CISC Round HSS · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HS508×19 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 | 154.00 lb/ft | 230.00 kg/m |
| OD | 20.000 in | 508.000 mm |
| Nominal tw | 0.750 in | 19.050 mm |
| Design tw | 0.750 in | 19.050 mm |
| Area | 45.42 in² | 29,300.00 mm² |
| Ix | 2,104.60 in⁴ | 876,000,000 mm⁴ |
| Iy | 2,104.60 in⁴ | 876,000,000 mm⁴ |
| Sx | 210.53 in³ | 3,450,000 mm³ |
| Sy | 210.53 in³ | 3,450,000 mm³ |
| Zx | 278.27 in³ | 4,560,000 mm³ |
| Zy | 278.27 in³ | 4,560,000 mm³ |
| rx | 6.81 in | 173.00 mm |
| ry | 6.81 in | 173.00 mm |
| J | 4,204.39 in⁴ | 1,750,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS508×19.
Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Availability: Check availability with the supplier. · Methodology