Steel Beam Sizes / CISC / HSS Round / HS508×9.5
HS508×9.5 Steel Beam Dimensions and Properties
CISC Round HSS · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HS508×9.5 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 | 78.70 lb/ft | 117.00 kg/m |
| OD | 20.000 in | 508.000 mm |
| Nominal tw | 0.375 in | 9.530 mm |
| Design tw | 0.375 in | 9.530 mm |
| Area | 23.10 in² | 14,900.00 mm² |
| Ix | 1,114.76 in⁴ | 464,000,000 mm⁴ |
| Iy | 1,114.76 in⁴ | 464,000,000 mm⁴ |
| Sx | 111.67 in³ | 1,830,000 mm³ |
| Sy | 111.67 in³ | 1,830,000 mm³ |
| Zx | 144.63 in³ | 2,370,000 mm³ |
| Zy | 144.63 in³ | 2,370,000 mm³ |
| rx | 6.93 in | 176.00 mm |
| ry | 6.93 in | 176.00 mm |
| J | 2,227.13 in⁴ | 927,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS508×9.5.
Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Availability: Check availability with the supplier. · Methodology