Steel Beam Sizes / AISC / Double Angles / 2L5x3x5/16x3/4LLBB
2L5x3x5/16x3/4LLBB Steel Beam Dimensions and Properties
AISC Double angles · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
2L5x3x5/16x3/4LLBB 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 | 16.40 lb/ft | 24.40 kg/m |
| Width | 3.00 in | 76.20 mm |
| Height | 5.00 in | 127.00 mm |
| t | 0.313 in | 7.940 mm |
| Area | 4.82 in² | 3,110.00 mm² |
| Ix | 12.50 in⁴ | 5,200,000 mm⁴ |
| Sx | 3.74 in³ | 61,300.00 mm³ |
| rx | 1.61 in | 40.90 mm |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2L5x3x5/16x3/4LLBB.
Lighter in Double angles
2L3-1/2x3x3/8LLBB
- Weight
- 15.8 lb/ft (-3.7%)
- Depth
- 3.50 in (-30%)
- Ix
- 5.5 in⁴ (-56%)
Heavier in Double angles
2L3x3x7/16
- Weight
- 16.6 lb/ft (+1.2%)
- Depth
- 3.00 in (-40%)
- Ix
- 4.0 in⁴ (-68%)
Closest Iₓ in Double angles
2L5x3x5/16LLBB
- Weight
- 16.4 lb/ft (0.0%)
- Depth
- 5.00 in (0.0%)
- Ix
- 12.5 in⁴ (0.0%)
Source: AISC Shapes Database v16.0 · Methodology