Steel Beam Sizes / CISC / HSS Round / HS508×6.4
HS508×6.4 Steel Beam Dimensions and Properties
CISC Round HSS · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HS508×6.4 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 | 52.80 lb/ft | 78.60 kg/m |
| OD | 20.000 in | 508.000 mm |
| Nominal tw | 0.250 in | 6.350 mm |
| Design tw | 0.250 in | 6.350 mm |
| Area | 15.50 in² | 10,000.00 mm² |
| Ix | 756.79 in⁴ | 315,000,000 mm⁴ |
| Iy | 756.79 in⁴ | 315,000,000 mm⁴ |
| Sx | 75.67 in³ | 1,240,000 mm³ |
| Sy | 75.67 in³ | 1,240,000 mm³ |
| Zx | 97.64 in³ | 1,600,000 mm³ |
| Zy | 97.64 in³ | 1,600,000 mm³ |
| rx | 6.97 in | 177.00 mm |
| ry | 6.97 in | 177.00 mm |
| J | 1,513.58 in⁴ | 630,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS508×6.4.
Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Availability: Check availability with the supplier. · Methodology