Steel Beam Sizes / AISC / Double Angles / 2L8x4x5/8x3/4SLBB
2L8x4x5/8x3/4SLBB Dimensions, Weight and Section Properties
AISC Double angles · v16.0
2L8x4x5/8x3/4SLBB: 4 in depth, 48.4 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
2L8x4x5/8x3/4SLBB 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 | 48.40 lb/ft | 72.00 kg/m |
| Width | 8.00 in | 203.00 mm |
| Height | 4.00 in | 102.00 mm |
| t | 0.625 in | 15.900 mm |
| Area | 14.30 in² | 9,230.00 mm² |
| Ix | 16.20 in⁴ | 6,740,000 mm⁴ |
| Iy | 246.00 in⁴ | 102,000,000 mm⁴ |
| Sx | 5.23 in³ | 85,700.00 mm³ |
| rx | 1.06 in | 26.90 mm |
| ry | 4.15 in | 105.00 mm |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus 2L8x4x5/8x3/4SLBB.
Lighter in Double angles
2L5x5x3/4
- Weight
- 47.2 lb/ft (-2.5%)
- Depth
- 5.00 in (+25%)
- Ix
- 31.4 in⁴ (+94%)
Heavier in Double angles
2L8x6x9/16LLBB
- Weight
- 51.4 lb/ft (+6.2%)
- Depth
- 8.00 in (+100%)
- Ix
- 98.8 in⁴ (+510%)
Another Iₓ option in Double angles
2L8x4x5/8SLBB
- Weight
- 48.4 lb/ft (0.0%)
- Depth
- 4.00 in (0.0%)
- Ix
- 16.2 in⁴ (0.0%)
Source: AISC Shapes Database v16.0 · Methodology