Steel Beam Sizes / AISC / HSS Rectangular / HSS 5x3x1/8
HSS 5x3x1/8 Steel Beam Dimensions and Properties
AISC Rectangular HSS · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HSS 5x3x1/8 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 | 6.46 lb/ft | 9.59 kg/m |
| Height | 5.00 in | 127.00 mm |
| Width | 3.00 in | 76.20 mm |
| Nominal tw | 0.125 in | 3.180 mm |
| Design tw | 0.116 in | 2.950 mm |
| Area | 1.77 in² | 1,140.00 mm² |
| Ix | 6.03 in⁴ | 2,510,000 mm⁴ |
| Iy | 2.75 in⁴ | 1,140,000 mm⁴ |
| Sx | 2.41 in³ | 39,500.00 mm³ |
| Sy | 1.83 in³ | 30,000.00 mm³ |
| Zx | 2.93 in³ | 48,000.00 mm³ |
| Zy | 2.07 in³ | 33,900.00 mm³ |
| rx | 1.85 in | 47.00 mm |
| ry | 1.25 in | 31.80 mm |
| J | 6.02 in⁴ | 2,510,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 5x3x1/8.
Lighter in Rectangular HSS
HSS 2-1/2x2x1/4
- Weight
- 6.3 lb/ft (-3.1%)
- Depth
- 2.50 in (-50%)
- Ix
- 1.3 in⁴ (-78%)
Heavier in Rectangular HSS
HSS 3-1/2x2-1/2x3/16
- Weight
- 6.9 lb/ft (+6.3%)
- Depth
- 3.50 in (-30%)
- Ix
- 3.1 in⁴ (-49%)
Closest Iₓ in Rectangular HSS
HSS 4x3x1/4
- Weight
- 10.5 lb/ft (+63%)
- Depth
- 4.00 in (-20%)
- Ix
- 6.2 in⁴ (+2.0%)
Source: AISC Shapes Database v16.0 · Methodology