Steel Beam Sizes / AISC / HSS Rectangular / HSS 8x4x1/4
HSS 8x4x1/4 Steel Beam Dimensions and Properties
AISC Rectangular HSS · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
HSS 8x4x1/4 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 | 19.02 lb/ft | 28.30 kg/m |
| Height | 8.00 in | 203.00 mm |
| Width | 4.00 in | 102.00 mm |
| Nominal tw | 0.250 in | 6.350 mm |
| Design tw | 0.233 in | 5.920 mm |
| Area | 5.24 in² | 3,380.00 mm² |
| Ix | 42.50 in⁴ | 17,700,000 mm⁴ |
| Iy | 14.40 in⁴ | 5,990,000 mm⁴ |
| Sx | 10.60 in³ | 174,000.00 mm³ |
| Sy | 7.21 in³ | 118,000.00 mm³ |
| Zx | 13.30 in³ | 218,000.00 mm³ |
| Zy | 8.20 in³ | 134,000.00 mm³ |
| rx | 2.85 in | 72.40 mm |
| ry | 1.66 in | 42.20 mm |
| J | 35.30 in⁴ | 14,700,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 8x4x1/4.
Lighter in Rectangular HSS
HSS 12x3x3/16
- Weight
- 18.4 lb/ft (-3.5%)
- Depth
- 12.00 in (+50%)
- Ix
- 79.6 in⁴ (+87%)
Heavier in Rectangular HSS
HSS 6x4x5/16
- Weight
- 19.1 lb/ft (+0.3%)
- Depth
- 6.00 in (-25%)
- Ix
- 24.8 in⁴ (-42%)
Closest Iₓ in Rectangular HSS
HSS 8x3x5/16
- Weight
- 21.2 lb/ft (+12%)
- Depth
- 8.00 in (0.0%)
- Ix
- 42.4 in⁴ (-0.2%)
Source: AISC Shapes Database v16.0 · Methodology