Steel Beam Sizes / AISC / Double Angles / 2L5x3-1/2x3/4x3/8LLBB
2L5x3-1/2x3/4x3/8LLBB Steel Beam Dimensions and Properties
AISC Double angles · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
2L5x3-1/2x3/4x3/8LLBB 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 | 39.60 lb/ft | 58.60 kg/m |
| Width | 3.50 in | 88.90 mm |
| Height | 5.00 in | 127.00 mm |
| t | 0.750 in | 19.100 mm |
| Area | 11.70 in² | 7,550.00 mm² |
| Ix | 27.80 in⁴ | 11,600,000 mm⁴ |
| Sx | 8.52 in³ | 140,000.00 mm³ |
| rx | 1.55 in | 39.40 mm |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2L5x3-1/2x3/4x3/8LLBB.
Lighter in Double angles
2L6x6x1/2
- Weight
- 39.2 lb/ft (-1.0%)
- Depth
- 6.00 in (+20%)
- Ix
- 39.8 in⁴ (+43%)
Heavier in Double angles
2L5x5x5/8
- Weight
- 40.0 lb/ft (+1.0%)
- Depth
- 5.00 in (0.0%)
- Ix
- 27.2 in⁴ (-2.2%)
Closest Iₓ in Double angles
2L5x3-1/2x3/4LLBB
- Weight
- 39.6 lb/ft (0.0%)
- Depth
- 5.00 in (0.0%)
- Ix
- 27.8 in⁴ (0.0%)
Source: AISC Shapes Database v16.0 · Methodology