Steel Beam Sizes / AISC / HSS Square / HSS 4-1/2x4-1/2x1/2
HSS 4-1/2x4-1/2x1/2 Dimensions, Weight and Section Properties
AISC Square HSS · v16.0
HSS 4-1/2x4-1/2x1/2: 25.03 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HSS 4-1/2x4-1/2x1/2 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 | 25.03 lb/ft | 37.10 kg/m |
| Height | 4.50 in | 114.00 mm |
| Width | 4.50 in | 114.00 mm |
| Nominal tw | 0.500 in | 12.700 mm |
| Design tw | 0.465 in | 11.800 mm |
| Area | 6.95 in² | 4,480.00 mm² |
| Ix | 18.10 in⁴ | 7,530,000 mm⁴ |
| Iy | 18.10 in⁴ | 7,530,000 mm⁴ |
| Sx | 8.03 in³ | 132,000.00 mm³ |
| Sy | 8.03 in³ | 132,000.00 mm³ |
| Zx | 10.20 in³ | 167,000.00 mm³ |
| Zy | 10.20 in³ | 167,000.00 mm³ |
| rx | 1.61 in | 40.90 mm |
| ry | 1.61 in | 40.90 mm |
| J | 31.30 in⁴ | 13,000,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HSS 4-1/2x4-1/2x1/2.
Lighter in Square HSS
HSS 5-1/2x5-1/2x3/8
- Weight
- 24.9 lb/ft (-0.4%)
- Depth
- 5.50 in (+22%)
- Ix
- 29.7 in⁴ (+64%)
Heavier in Square HSS
HSS 8x8x1/4
- Weight
- 25.8 lb/ft (+3.2%)
- Depth
- 8.00 in (+78%)
- Ix
- 70.7 in⁴ (+291%)
Another Iₓ option in Square HSS
HSS 5x5x5/16
- Weight
- 19.1 lb/ft (-24%)
- Depth
- 5.00 in (+11%)
- Ix
- 19.0 in⁴ (+5.0%)
Source: AISC Shapes Database v16.0 · Methodology