Steel Beam Sizes / AISC / HSS Rectangular / HSS 3-1/2x1-1/2x1/4
HSS 3-1/2x1-1/2x1/4 Steel Beam Dimensions and Properties
AISC Rectangular HSS · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HSS 3-1/2x1-1/2x1/4 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 | 7.11 lb/ft | 10.50 kg/m |
| Height | 3.50 in | 88.90 mm |
| Width | 1.50 in | 38.10 mm |
| Nominal tw | 0.250 in | 6.350 mm |
| Design tw | 0.233 in | 5.920 mm |
| Area | 1.97 in² | 1,270.00 mm² |
| Ix | 2.55 in⁴ | 1,060,000 mm⁴ |
| Iy | 0.64 in⁴ | 266,000.00 mm⁴ |
| Sx | 1.46 in³ | 23,900.00 mm³ |
| Sy | 0.85 in³ | 13,900.00 mm³ |
| Zx | 1.98 in³ | 32,400.00 mm³ |
| Zy | 1.06 in³ | 17,400.00 mm³ |
| rx | 1.14 in | 29.00 mm |
| ry | 0.57 in | 14.50 mm |
| J | 1.79 in⁴ | 745,000.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 3-1/2x1-1/2x1/4.
Lighter in Rectangular HSS
HSS 3-1/2x2-1/2x3/16
- Weight
- 6.9 lb/ft (-3.4%)
- Depth
- 3.50 in (0.0%)
- Ix
- 3.1 in⁴ (+21%)
Heavier in Rectangular HSS
HSS 5x4x1/8
- Weight
- 7.3 lb/ft (+2.8%)
- Depth
- 5.00 in (+43%)
- Ix
- 7.4 in⁴ (+191%)
Closest Iₓ in Rectangular HSS
HSS 3x2-1/2x1/4
- Weight
- 8.0 lb/ft (+12%)
- Depth
- 3.00 in (-14%)
- Ix
- 2.6 in⁴ (+0.8%)
Source: AISC Shapes Database v16.0 · Methodology