Steel Beam Sizes / AISC / HSS Square / HSS 9x9x5/16
HSS 9x9x5/16 Dimensions, Weight and Section Properties
AISC Square HSS · v16.0
HSS 9x9x5/16: 36.1 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HSS 9x9x5/16 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 | 36.10 lb/ft | 53.60 kg/m |
| Height | 9.00 in | 229.00 mm |
| Width | 9.00 in | 229.00 mm |
| Nominal tw | 0.313 in | 7.940 mm |
| Design tw | 0.291 in | 7.390 mm |
| Area | 9.92 in² | 6,400.00 mm² |
| Ix | 124.00 in⁴ | 51,600,000 mm⁴ |
| Iy | 124.00 in⁴ | 51,600,000 mm⁴ |
| Sx | 27.60 in³ | 452,000.00 mm³ |
| Sy | 27.60 in³ | 452,000.00 mm³ |
| Zx | 32.10 in³ | 526,000.00 mm³ |
| Zy | 32.10 in³ | 526,000.00 mm³ |
| rx | 3.54 in | 89.90 mm |
| ry | 3.54 in | 89.90 mm |
| J | 196.00 in⁴ | 81,600,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HSS 9x9x5/16.
Lighter in Square HSS
HSS 6x6x1/2
- Weight
- 35.2 lb/ft (-2.4%)
- Depth
- 6.00 in (-33%)
- Ix
- 48.3 in⁴ (-61%)
Heavier in Square HSS
HSS 8x8x3/8
- Weight
- 37.7 lb/ft (+4.4%)
- Depth
- 8.00 in (-11%)
- Ix
- 100.0 in⁴ (-19%)
Another Iₓ option in Square HSS
HSS 8x8x1/2
- Weight
- 48.9 lb/ft (+35%)
- Depth
- 8.00 in (-11%)
- Ix
- 125.0 in⁴ (+0.8%)
Source: AISC Shapes Database v16.0 · Methodology