Steel Beam Sizes / AISC / Double Angles / 2L6x3-1/2x1/2LLBB
2L6x3-1/2x1/2LLBB Steel Beam Dimensions and Properties
AISC Double angles · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
2L6x3-1/2x1/2LLBB 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 | 30.60 lb/ft | 45.40 kg/m |
| Width | 3.50 in | 88.90 mm |
| Height | 6.00 in | 152.00 mm |
| t | 0.500 in | 12.700 mm |
| Area | 9.00 in² | 5,810.00 mm² |
| Ix | 33.20 in⁴ | 13,800,000 mm⁴ |
| Sx | 8.46 in³ | 139,000.00 mm³ |
| rx | 1.92 in | 48.80 mm |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2L6x3-1/2x1/2LLBB.
Lighter in Double angles
2L6x6x3/8
- Weight
- 29.8 lb/ft (-2.6%)
- Depth
- 6.00 in (0.0%)
- Ix
- 30.8 in⁴ (-7.2%)
Heavier in Double angles
2L4x4x5/8
- Weight
- 31.4 lb/ft (+2.6%)
- Depth
- 4.00 in (-33%)
- Ix
- 13.2 in⁴ (-60%)
Closest Iₓ in Double angles
2L6x3-1/2x1/2x3/4LLBB
- Weight
- 30.6 lb/ft (0.0%)
- Depth
- 6.00 in (0.0%)
- Ix
- 33.2 in⁴ (0.0%)
Source: AISC Shapes Database v16.0 · Methodology