Steel Beam Sizes / AISC / Angles / L8x4x1
L8x4x1 Steel Beam Dimensions and Properties
AISC Angles · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L8x4x1 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 | 37.40 lb/ft | 55.40 kg/m |
| Width | 8.00 in | 203.00 mm |
| Height | 4.00 in | 102.00 mm |
| t | 1.000 in | 25.400 mm |
| Area | 11.10 in² | 7,160.00 mm² |
| Ix | 69.70 in⁴ | 29,000,000 mm⁴ |
| Iy | 11.60 in⁴ | 4,830,000 mm⁴ |
| Sx | 14.00 in³ | 229,000.00 mm³ |
| Sy | 3.94 in³ | 64,600.00 mm³ |
| Zx | 24.30 in³ | 398,000.00 mm³ |
| Zy | 7.73 in³ | 127,000.00 mm³ |
| rx | 2.51 in | 63.80 mm |
| ry | 1.03 in | 26.20 mm |
| J | 3.68 in⁴ | 1,530,000 mm⁴ |
| Cw | 12.90 in⁶ | 3,460,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L8x4x1.
Lighter in L8
L8x6x3/4
- Weight
- 33.8 lb/ft (-9.6%)
- Depth
- 6.00 in (+50%)
- Ix
- 63.5 in⁴ (-8.9%)
Heavier in L8
L8x8x3/4
- Weight
- 38.9 lb/ft (+4.0%)
- Depth
- 8.00 in (+100%)
- Ix
- 69.9 in⁴ (+0.3%)
Closest Iₓ in L8
L8x6x7/8
- Weight
- 39.1 lb/ft (+4.5%)
- Depth
- 6.00 in (+50%)
- Ix
- 72.4 in⁴ (+3.9%)
Similar weight in L7
L7x4x3/4
- Weight
- 26.2 lb/ft (-30%)
- Depth
- 4.00 in (0.0%)
- Ix
- 37.8 in⁴ (-46%)
Source: AISC Shapes Database v16.0 · Methodology