Steel Beam Sizes / AISC / HSS Square / HSS 4-1/2x4-1/2x1/4
HSS 4-1/2x4-1/2x1/4 Steel Beam Dimensions and Properties
AISC Square HSS · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HSS 4-1/2x4-1/2x1/4 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 | 13.91 lb/ft | 20.70 kg/m |
| Height | 4.50 in | 114.00 mm |
| Width | 4.50 in | 114.00 mm |
| Nominal tw | 0.250 in | 6.350 mm |
| Design tw | 0.233 in | 5.920 mm |
| Area | 3.84 in² | 2,480.00 mm² |
| Ix | 11.40 in⁴ | 4,750,000 mm⁴ |
| Iy | 11.40 in⁴ | 4,750,000 mm⁴ |
| Sx | 5.08 in³ | 83,200.00 mm³ |
| Sy | 5.08 in³ | 83,200.00 mm³ |
| Zx | 6.06 in³ | 99,300.00 mm³ |
| Zy | 6.06 in³ | 99,300.00 mm³ |
| rx | 1.73 in | 43.90 mm |
| ry | 1.73 in | 43.90 mm |
| J | 18.50 in⁴ | 7,700,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 4-1/2x4-1/2x1/4.
Lighter in Square HSS
HSS 8x8x1/8
- Weight
- 13.3 lb/ft (-4.7%)
- Depth
- 8.00 in (+78%)
- Ix
- 37.4 in⁴ (+228%)
Heavier in Square HSS
HSS 6x6x3/16
- Weight
- 14.5 lb/ft (+4.5%)
- Depth
- 6.00 in (+33%)
- Ix
- 22.3 in⁴ (+96%)
Closest Iₓ in Square HSS
HSS 5-1/2x5-1/2x1/8
- Weight
- 9.0 lb/ft (-35%)
- Depth
- 5.50 in (+22%)
- Ix
- 11.8 in⁴ (+3.5%)
Source: AISC Shapes Database v16.0 · Methodology