Steel Beam Sizes / AISC / HSS Square / HSS 7x7x3/8
HSS 7x7x3/8 Dimensions, Weight and Section Properties
AISC Square HSS · v16.0
HSS 7x7x3/8: 32.58 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HSS 7x7x3/8 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 | 32.58 lb/ft | 48.40 kg/m |
| Height | 7.00 in | 178.00 mm |
| Width | 7.00 in | 178.00 mm |
| Nominal tw | 0.375 in | 9.530 mm |
| Design tw | 0.349 in | 8.860 mm |
| Area | 8.97 in² | 5,790.00 mm² |
| Ix | 65.00 in⁴ | 27,100,000 mm⁴ |
| Iy | 65.00 in⁴ | 27,100,000 mm⁴ |
| Sx | 18.60 in³ | 305,000.00 mm³ |
| Sy | 18.60 in³ | 305,000.00 mm³ |
| Zx | 22.10 in³ | 362,000.00 mm³ |
| Zy | 22.10 in³ | 362,000.00 mm³ |
| rx | 2.69 in | 68.30 mm |
| ry | 2.69 in | 68.30 mm |
| J | 105.00 in⁴ | 43,700,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HSS 7x7x3/8.
Lighter in Square HSS
HSS 8x8x5/16
- Weight
- 31.8 lb/ft (-2.3%)
- Depth
- 8.00 in (+14%)
- Ix
- 85.6 in⁴ (+32%)
Heavier in Square HSS
HSS 10x10x1/4
- Weight
- 32.6 lb/ft (+0.2%)
- Depth
- 10.00 in (+43%)
- Ix
- 141.0 in⁴ (+117%)
Another Iₓ option in Square HSS
HSS 8x8x1/4
- Weight
- 25.8 lb/ft (-21%)
- Depth
- 8.00 in (+14%)
- Ix
- 70.7 in⁴ (+8.8%)
Source: AISC Shapes Database v16.0 · Methodology