Steel Beam Sizes / AISC / Angles / L8x8x1/2
L8x8x1/2 Steel Beam Dimensions and Properties
AISC Angles · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L8x8x1/2 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 | 26.40 lb/ft | 39.30 kg/m |
| Width | 8.00 in | 203.00 mm |
| Height | 8.00 in | 203.00 mm |
| t | 0.500 in | 12.700 mm |
| Area | 7.84 in² | 5,060.00 mm² |
| Ix | 48.80 in⁴ | 20,300,000 mm⁴ |
| Iy | 48.80 in⁴ | 20,300,000 mm⁴ |
| Sx | 8.36 in³ | 137,000.00 mm³ |
| Sy | 8.36 in³ | 137,000.00 mm³ |
| Zx | 15.10 in³ | 247,000.00 mm³ |
| Zy | 15.10 in³ | 247,000.00 mm³ |
| rx | 2.49 in | 63.20 mm |
| ry | 2.49 in | 63.20 mm |
| J | 0.68 in⁴ | 284,000.00 mm⁴ |
| Cw | 3.23 in⁶ | 867,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L8x8x1/2.
Lighter in L8
L8x6x9/16
- Weight
- 25.7 lb/ft (-2.7%)
- Depth
- 6.00 in (-25%)
- Ix
- 49.4 in⁴ (+1.2%)
Heavier in L8
L8x6x5/8
- Weight
- 28.5 lb/ft (+8.0%)
- Depth
- 6.00 in (-25%)
- Ix
- 54.2 in⁴ (+11%)
Closest Iₓ in L8
L8x4x5/8
- Weight
- 24.2 lb/ft (-8.3%)
- Depth
- 4.00 in (-50%)
- Ix
- 47.0 in⁴ (-3.7%)
Similar weight in L7
L7x4x3/4
- Weight
- 26.2 lb/ft (-0.8%)
- Depth
- 4.00 in (-50%)
- Ix
- 37.8 in⁴ (-23%)
Source: AISC Shapes Database v16.0 · Methodology