Steel Beam Sizes / AISC / Double Angles / 2L8x4x1x3/8LLBB
2L8x4x1x3/8LLBB Dimensions, Weight and Section Properties
AISC Double angles · v16.0
2L8x4x1x3/8LLBB: 8 in depth, 74.8 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
2L8x4x1x3/8LLBB 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 | 74.80 lb/ft | 111.00 kg/m |
| Width | 4.00 in | 102.00 mm |
| Height | 8.00 in | 203.00 mm |
| t | 1.000 in | 25.400 mm |
| Area | 22.20 in² | 14,300.00 mm² |
| Ix | 139.00 in⁴ | 57,900,000 mm⁴ |
| Iy | 56.80 in⁴ | 23,600,000 mm⁴ |
| Sx | 28.00 in³ | 459,000.00 mm³ |
| rx | 2.51 in | 63.80 mm |
| ry | 1.60 in | 40.60 mm |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus 2L8x4x1x3/8LLBB.
Lighter in Double angles
2L8x6x3/4LLBB
- Weight
- 67.6 lb/ft (-9.6%)
- Depth
- 8.00 in (0.0%)
- Ix
- 127.0 in⁴ (-8.6%)
Heavier in Double angles
2L8x8x3/4
- Weight
- 77.8 lb/ft (+4.0%)
- Depth
- 8.00 in (0.0%)
- Ix
- 140.0 in⁴ (+0.7%)
Another Iₓ option in Double angles
2L8x4x1LLBB
- Weight
- 74.8 lb/ft (0.0%)
- Depth
- 8.00 in (0.0%)
- Ix
- 139.0 in⁴ (0.0%)
Source: AISC Shapes Database v16.0 · Methodology