Steel Beam Sizes / AISC / HSS Rectangular / HSS 3-1/2x2x1/8
HSS 3-1/2x2x1/8 Steel Beam Dimensions and Properties
AISC Rectangular HSS · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HSS 3-1/2x2x1/8 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 | 4.33 lb/ft | 6.43 kg/m |
| Height | 3.50 in | 88.90 mm |
| Width | 2.00 in | 50.80 mm |
| Nominal tw | 0.125 in | 3.180 mm |
| Design tw | 0.116 in | 2.950 mm |
| Area | 1.19 in² | 768.00 mm² |
| Ix | 1.90 in⁴ | 791,000.00 mm⁴ |
| Iy | 0.80 in⁴ | 331,000.00 mm⁴ |
| Sx | 1.09 in³ | 17,900.00 mm³ |
| Sy | 0.80 in³ | 13,000.00 mm³ |
| Zx | 1.34 in³ | 22,000.00 mm³ |
| Zy | 0.91 in³ | 14,900.00 mm³ |
| rx | 1.27 in | 32.30 mm |
| ry | 0.82 in | 20.80 mm |
| J | 1.83 in⁴ | 762,000.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 3-1/2x2x1/8.
Lighter in Rectangular HSS
HSS 2-1/2x1-1/2x3/16
- Weight
- 4.3 lb/ft (-0.2%)
- Depth
- 2.50 in (-29%)
- Ix
- 0.9 in⁴ (-54%)
Heavier in Rectangular HSS
HSS 3-1/2x2-1/2x1/8
- Weight
- 4.8 lb/ft (+9.7%)
- Depth
- 3.50 in (0.0%)
- Ix
- 2.2 in⁴ (+17%)
Closest Iₓ in Rectangular HSS
HSS 3x2x3/16
- Weight
- 5.6 lb/ft (+29%)
- Depth
- 3.00 in (-14%)
- Ix
- 1.8 in⁴ (-6.8%)
Source: AISC Shapes Database v16.0 · Methodology