Steel Beam Sizes / CISC / HSS Square / HS76×76×7.9
HS76×76×7.9 Steel Beam Dimensions and Properties
CISC Square HSS · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HS76×76×7.9 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 | 10.60 lb/ft | 15.70 kg/m |
| Height | 3.00 in | 76.20 mm |
| Width | 3.00 in | 76.20 mm |
| Nominal tw | 0.313 in | 7.940 mm |
| Design tw | 0.313 in | 7.940 mm |
| Area | 3.12 in² | 2,010.00 mm² |
| Ix | 3.58 in⁴ | 1,490,000 mm⁴ |
| Iy | 3.58 in⁴ | 1,490,000 mm⁴ |
| Sx | 2.39 in³ | 39,100.00 mm³ |
| Sy | 2.39 in³ | 39,100.00 mm³ |
| Zx | 3.04 in³ | 49,800.00 mm³ |
| Zy | 3.04 in³ | 49,800.00 mm³ |
| rx | 1.07 in | 27.30 mm |
| ry | 1.07 in | 27.30 mm |
| J | 6.22 in⁴ | 2,590,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS76×76×7.9.
Lighter in Square HSS
HA89×89×6.4
- Weight
- 15.6 kg/m (-0.9%)
- Depth
- 88.9 mm (+17%)
- Ix
- 2,050,000 mm⁴ (+38%)
Heavier in Square HSS
HA127×127×4.8
- Weight
- 17.9 kg/m (+13%)
- Depth
- 127.0 mm (+67%)
- Ix
- 5,110,000 mm⁴ (+243%)
Closest Iₓ in Square HSS
HA76×76×9.5
- Weight
- 18.1 kg/m (+15%)
- Depth
- 76.2 mm (0.0%)
- Ix
- 1,550,000 mm⁴ (+4.0%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology