Steel Beam Sizes / AISC / HSS Square / HSS 7x7x1/2
HSS 7x7x1/2 Steel Beam Dimensions and Properties
AISC Square HSS · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HSS 7x7x1/2 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 | 42.05 lb/ft | 62.40 kg/m |
| Height | 7.00 in | 178.00 mm |
| Width | 7.00 in | 178.00 mm |
| Nominal tw | 0.500 in | 12.700 mm |
| Design tw | 0.465 in | 11.800 mm |
| Area | 11.60 in² | 7,480.00 mm² |
| Ix | 80.50 in⁴ | 33,500,000 mm⁴ |
| Iy | 80.50 in⁴ | 33,500,000 mm⁴ |
| Sx | 23.00 in³ | 377,000.00 mm³ |
| Sy | 23.00 in³ | 377,000.00 mm³ |
| Zx | 27.90 in³ | 457,000.00 mm³ |
| Zy | 27.90 in³ | 457,000.00 mm³ |
| rx | 2.63 in | 66.80 mm |
| ry | 2.63 in | 66.80 mm |
| J | 133.00 in⁴ | 55,400,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 7x7x1/2.
Lighter in Square HSS
HSS 10x10x5/16
- Weight
- 40.4 lb/ft (-4.0%)
- Depth
- 10.00 in (+43%)
- Ix
- 172.0 in⁴ (+114%)
Heavier in Square HSS
HSS 6x6x5/8
- Weight
- 42.3 lb/ft (+0.6%)
- Depth
- 6.00 in (-14%)
- Ix
- 55.2 in⁴ (-31%)
Closest Iₓ in Square HSS
HSS 9x9x3/16
- Weight
- 22.2 lb/ft (-47%)
- Depth
- 9.00 in (+29%)
- Ix
- 78.2 in⁴ (-2.9%)
Source: AISC Shapes Database v16.0 · Methodology