Steel Beam Sizes / AISC / HSS Square / HSS 4-1/2x4-1/2x5/16
HSS 4-1/2x4-1/2x5/16 Steel Beam Dimensions and Properties
AISC Square HSS · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HSS 4-1/2x4-1/2x5/16 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 | 16.96 lb/ft | 25.20 kg/m |
| Height | 4.50 in | 114.00 mm |
| Width | 4.50 in | 114.00 mm |
| Nominal tw | 0.313 in | 7.940 mm |
| Design tw | 0.291 in | 7.390 mm |
| Area | 4.68 in² | 3,020.00 mm² |
| Ix | 13.50 in⁴ | 5,620,000 mm⁴ |
| Iy | 13.50 in⁴ | 5,620,000 mm⁴ |
| Sx | 6.00 in³ | 98,300.00 mm³ |
| Sy | 6.00 in³ | 98,300.00 mm³ |
| Zx | 7.27 in³ | 119,000.00 mm³ |
| Zy | 7.27 in³ | 119,000.00 mm³ |
| rx | 1.70 in | 43.20 mm |
| ry | 1.70 in | 43.20 mm |
| J | 22.30 in⁴ | 9,280,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 4-1/2x4-1/2x5/16.
Lighter in Square HSS
HSS 5x5x1/4
- Weight
- 15.6 lb/ft (-7.9%)
- Depth
- 5.00 in (+11%)
- Ix
- 16.0 in⁴ (+19%)
Heavier in Square HSS
HSS 7x7x3/16
- Weight
- 17.1 lb/ft (+0.7%)
- Depth
- 7.00 in (+56%)
- Ix
- 36.0 in⁴ (+167%)
Closest Iₓ in Square HSS
HSS 5x5x3/16
- Weight
- 12.0 lb/ft (-29%)
- Depth
- 5.00 in (+11%)
- Ix
- 12.6 in⁴ (-6.7%)
Source: AISC Shapes Database v16.0 · Methodology