Steel Beam Sizes / AISC / HSS Rectangular / HSS 24x20x1/2
HSS 24x20x1/2 Steel Beam Dimensions and Properties
AISC Rectangular HSS · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HSS 24x20x1/2 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 | 144.13 lb/ft | 214.00 kg/m |
| Height | 24.00 in | 610.00 mm |
| Width | 20.00 in | 508.00 mm |
| Nominal tw | 0.500 in | 12.700 mm |
| Design tw | 0.465 in | 11.800 mm |
| Area | 39.50 in² | 25,500.00 mm² |
| Ix | 3,450.00 in⁴ | 1,440,000,000 mm⁴ |
| Iy | 2,610.00 in⁴ | 1,090,000,000 mm⁴ |
| Sx | 287.00 in³ | 4,700,000 mm³ |
| Sy | 261.00 in³ | 4,280,000 mm³ |
| Zx | 336.00 in³ | 5,510,000 mm³ |
| Zy | 297.00 in³ | 4,870,000 mm³ |
| rx | 9.34 in | 237.00 mm |
| ry | 8.13 in | 207.00 mm |
| J | 4,620.00 in⁴ | 1,920,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 24x20x1/2.
Lighter in Rectangular HSS
HSS 22x20x1/2
- Weight
- 137.3 lb/ft (-4.7%)
- Depth
- 22.00 in (-8.3%)
- Ix
- 2,820.0 in⁴ (-18%)
Heavier in Rectangular HSS
HSS 20x16x5/8
- Weight
- 144.4 lb/ft (+0.2%)
- Depth
- 20.00 in (-17%)
- Ix
- 2,320.0 in⁴ (-33%)
Closest Iₓ in Rectangular HSS
HSS 22x20x5/8
- Weight
- 169.9 lb/ft (+18%)
- Depth
- 22.00 in (-8.3%)
- Ix
- 3,440.0 in⁴ (-0.3%)
Source: AISC Shapes Database v16.0 · Methodology