Steel Beam Sizes / AISC / HSS Rectangular / HSS 7x3x5/16
HSS 7x3x5/16 Dimensions, Weight and Section Properties
AISC Rectangular HSS · v16.0
HSS 7x3x5/16: 19.08 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HSS 7x3x5/16 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 | 19.08 lb/ft | 28.40 kg/m |
| Height | 7.00 in | 178.00 mm |
| Width | 3.00 in | 76.20 mm |
| Nominal tw | 0.313 in | 7.940 mm |
| Design tw | 0.291 in | 7.390 mm |
| Area | 5.26 in² | 3,390.00 mm² |
| Ix | 29.90 in⁴ | 12,400,000 mm⁴ |
| Iy | 7.74 in⁴ | 3,220,000 mm⁴ |
| Sx | 8.54 in³ | 140,000.00 mm³ |
| Sy | 5.16 in³ | 84,600.00 mm³ |
| Zx | 11.10 in³ | 182,000.00 mm³ |
| Zy | 6.05 in³ | 99,100.00 mm³ |
| rx | 2.38 in | 60.50 mm |
| ry | 1.21 in | 30.70 mm |
| J | 20.90 in⁴ | 8,700,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HSS 7x3x5/16.
Lighter in Rectangular HSS
HSS 10x2x1/4
- Weight
- 19.0 lb/ft (-0.3%)
- Depth
- 10.00 in (+43%)
- Ix
- 52.5 in⁴ (+76%)
Heavier in Rectangular HSS
HSS 10x6x3/16
- Weight
- 19.6 lb/ft (+2.9%)
- Depth
- 10.00 in (+43%)
- Ix
- 74.6 in⁴ (+149%)
Another Iₓ option in Rectangular HSS
HSS 6x5x5/16
- Weight
- 21.2 lb/ft (+11%)
- Depth
- 6.00 in (-14%)
- Ix
- 29.6 in⁴ (-1.0%)
Source: AISC Shapes Database v16.0 · Methodology