Steel Beam Sizes / CISC / HSS Round / HS127×7.9
HS127×7.9 Dimensions, Weight and Section Properties
CISC Round HSS · v12.1
HS127×7.9: 23.3 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HS127×7.9 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 | 15.70 lb/ft | 23.30 kg/m |
| OD | 5.000 in | 127.000 mm |
| Nominal tw | 0.313 in | 7.940 mm |
| Design tw | 0.313 in | 7.940 mm |
| Area | 4.60 in² | 2,970.00 mm² |
| Ix | 12.71 in⁴ | 5,290,000 mm⁴ |
| Iy | 12.71 in⁴ | 5,290,000 mm⁴ |
| Sx | 5.08 in³ | 83,200.00 mm³ |
| Sy | 5.08 in³ | 83,200.00 mm³ |
| Zx | 6.90 in³ | 113,000.00 mm³ |
| Zy | 6.90 in³ | 113,000.00 mm³ |
| rx | 1.66 in | 42.20 mm |
| ry | 1.66 in | 42.20 mm |
| J | 25.47 in⁴ | 10,600,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HS127×7.9.
Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Availability: Check availability with the supplier. · Methodology