Steel Beam Sizes / AISC / HSS Square / HSS 5-1/2x5-1/2x1/8
HSS 5-1/2x5-1/2x1/8 Dimensions, Weight and Section Properties
AISC Square HSS · v16.0
HSS 5-1/2x5-1/2x1/8: 9.01 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HSS 5-1/2x5-1/2x1/8 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 | 9.01 lb/ft | 13.40 kg/m |
| Height | 5.50 in | 140.00 mm |
| Width | 5.50 in | 140.00 mm |
| Nominal tw | 0.125 in | 3.180 mm |
| Design tw | 0.116 in | 2.950 mm |
| Area | 2.46 in² | 1,590.00 mm² |
| Ix | 11.80 in⁴ | 4,910,000 mm⁴ |
| Iy | 11.80 in⁴ | 4,910,000 mm⁴ |
| Sx | 4.30 in³ | 70,500.00 mm³ |
| Sy | 4.30 in³ | 70,500.00 mm³ |
| Zx | 4.95 in³ | 81,100.00 mm³ |
| Zy | 4.95 in³ | 81,100.00 mm³ |
| rx | 2.19 in | 55.60 mm |
| ry | 2.19 in | 55.60 mm |
| J | 18.30 in⁴ | 7,620,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HSS 5-1/2x5-1/2x1/8.
Lighter in Square HSS
HSS 3x3x1/4
- Weight
- 8.8 lb/ft (-2.2%)
- Depth
- 3.00 in (-45%)
- Ix
- 3.0 in⁴ (-74%)
Heavier in Square HSS
HSS 4x4x3/16
- Weight
- 9.4 lb/ft (+4.6%)
- Depth
- 4.00 in (-27%)
- Ix
- 6.2 in⁴ (-47%)
Another Iₓ option in Square HSS
HSS 4x4x1/2
- Weight
- 21.6 lb/ft (+140%)
- Depth
- 4.00 in (-27%)
- Ix
- 11.9 in⁴ (+0.8%)
Source: AISC Shapes Database v16.0 · Methodology