Steel Beam Sizes / AISC / HSS Rectangular / HSS 24x20x5/8
HSS 24x20x5/8 Dimensions, Weight and Section Properties
AISC Rectangular HSS · v16.0
HSS 24x20x5/8: 178.41 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
Need this steel supplied or fabricated?
Request project pricing for delivery in the United States or Canada.
Get a steel quote →Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HSS 24x20x5/8 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 | 178.41 lb/ft | 266.00 kg/m |
| Height | 24.00 in | 610.00 mm |
| Width | 20.00 in | 508.00 mm |
| Nominal tw | 0.625 in | 15.900 mm |
| Design tw | 0.581 in | 14.800 mm |
| Area | 48.90 in² | 31,500.00 mm² |
| Ix | 4,220.00 in⁴ | 1,760,000,000 mm⁴ |
| Iy | 3,190.00 in⁴ | 1,330,000,000 mm⁴ |
| Sx | 351.00 in³ | 5,750,000 mm³ |
| Sy | 319.00 in³ | 5,230,000 mm³ |
| Zx | 413.00 in³ | 6,770,000 mm³ |
| Zy | 365.00 in³ | 5,980,000 mm³ |
| rx | 9.29 in | 236.00 mm |
| ry | 8.08 in | 205.00 mm |
| J | 5,690.00 in⁴ | 2,370,000,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HSS 24x20x5/8.
Lighter in Rectangular HSS
HSS 20x12x7/8
- Weight
- 173.4 lb/ft (-2.8%)
- Depth
- 20.00 in (-17%)
- Ix
- 2,480.0 in⁴ (-41%)
Heavier in Rectangular HSS
HSS 22x16x3/4
- Weight
- 181.4 lb/ft (+1.7%)
- Depth
- 22.00 in (-8.3%)
- Ix
- 3,400.0 in⁴ (-19%)
Another Iₓ option in Rectangular HSS
HSS 24x16x3/4
- Weight
- 191.6 lb/ft (+7.4%)
- Depth
- 24.00 in (0.0%)
- Ix
- 4,200.0 in⁴ (-0.5%)
Source: AISC Shapes Database v16.0 · Methodology