Steel Beam Sizes / AISC / HSS Rectangular / HSS 24x20x3/4
HSS 24x20x3/4 Steel Beam Dimensions and Properties
AISC Rectangular HSS · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HSS 24x20x3/4 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 | 212.00 lb/ft | 315.00 kg/m |
| Height | 24.00 in | 610.00 mm |
| Width | 20.00 in | 508.00 mm |
| Nominal tw | 0.750 in | 19.100 mm |
| Design tw | 0.698 in | 17.700 mm |
| Area | 58.20 in² | 37,500.00 mm² |
| Ix | 4,960.00 in⁴ | 2,060,000,000 mm⁴ |
| Iy | 3,750.00 in⁴ | 1,560,000,000 mm⁴ |
| Sx | 413.00 in³ | 6,770,000 mm³ |
| Sy | 375.00 in³ | 6,150,000 mm³ |
| Zx | 489.00 in³ | 8,010,000 mm³ |
| Zy | 432.00 in³ | 7,080,000 mm³ |
| rx | 9.23 in | 234.00 mm |
| ry | 8.02 in | 204.00 mm |
| J | 6,740.00 in⁴ | 2,810,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 24x20x3/4.
Lighter in Rectangular HSS
HSS 22x20x3/4
- Weight
- 201.8 lb/ft (-4.8%)
- Depth
- 22.00 in (-8.3%)
- Ix
- 4,040.0 in⁴ (-19%)
Heavier in Rectangular HSS
HSS 30x10x7/8
- Weight
- 221.1 lb/ft (+4.3%)
- Depth
- 30.00 in (+25%)
- Ix
- 6,190.0 in⁴ (+25%)
Closest Iₓ in Rectangular HSS
HSS 30x10x5/8
- Weight
- 161.4 lb/ft (-24%)
- Depth
- 30.00 in (+25%)
- Ix
- 4,640.0 in⁴ (-6.5%)
Source: AISC Shapes Database v16.0 · Methodology