Steel Beam Sizes / AISC / HSS Square / HSS 12x12x5/16
HSS 12x12x5/16 Dimensions, Weight and Section Properties
AISC Square HSS · v16.0
HSS 12x12x5/16: 48.86 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HSS 12x12x5/16 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 | 48.86 lb/ft | 72.60 kg/m |
| Height | 12.00 in | 305.00 mm |
| Width | 12.00 in | 305.00 mm |
| Nominal tw | 0.313 in | 7.940 mm |
| Design tw | 0.291 in | 7.390 mm |
| Area | 13.40 in² | 8,650.00 mm² |
| Ix | 304.00 in⁴ | 127,000,000 mm⁴ |
| Iy | 304.00 in⁴ | 127,000,000 mm⁴ |
| Sx | 50.70 in³ | 831,000.00 mm³ |
| Sy | 50.70 in³ | 831,000.00 mm³ |
| Zx | 58.60 in³ | 960,000.00 mm³ |
| Zy | 58.60 in³ | 960,000.00 mm³ |
| rx | 4.76 in | 121.00 mm |
| ry | 4.76 in | 121.00 mm |
| J | 474.00 in⁴ | 197,000,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HSS 12x12x5/16.
Lighter in Square HSS
HSS 8x8x1/2
- Weight
- 48.9 lb/ft (0.0%)
- Depth
- 8.00 in (-33%)
- Ix
- 125.0 in⁴ (-59%)
Heavier in Square HSS
HSS 7x7x5/8
- Weight
- 50.8 lb/ft (+4.0%)
- Depth
- 7.00 in (-42%)
- Ix
- 93.4 in⁴ (-69%)
Another Iₓ option in Square HSS
HSS 10x10x5/8
- Weight
- 76.3 lb/ft (+56%)
- Depth
- 10.00 in (-17%)
- Ix
- 304.0 in⁴ (0.0%)
Source: AISC Shapes Database v16.0 · Methodology