Steel Beam Sizes / AISC / Double Angles / 2L3-1/2x3-1/2x5/16
2L3-1/2x3-1/2x5/16 Steel Beam Dimensions and Properties
AISC Double angles · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
2L3-1/2x3-1/2x5/16 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 | 14.40 lb/ft | 21.40 kg/m |
| Width | 3.50 in | 88.90 mm |
| Height | 3.50 in | 88.90 mm |
| t | 0.313 in | 7.940 mm |
| Area | 4.20 in² | 2,710.00 mm² |
| Ix | 4.88 in⁴ | 2,030,000 mm⁴ |
| Sx | 1.94 in³ | 31,800.00 mm³ |
| rx | 1.08 in | 27.40 mm |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2L3-1/2x3-1/2x5/16.
Lighter in Double angles
2L5x3-1/2x1/4LLBB
- Weight
- 14.0 lb/ft (-2.8%)
- Depth
- 5.00 in (+43%)
- Ix
- 10.7 in⁴ (+119%)
Heavier in Double angles
2L3x2-1/2x7/16LLBB
- Weight
- 15.2 lb/ft (+5.6%)
- Depth
- 3.00 in (-14%)
- Ix
- 3.7 in⁴ (-23%)
Closest Iₓ in Double angles
2L3-1/2x3-1/2x5/16x3/4
- Weight
- 14.4 lb/ft (0.0%)
- Depth
- 3.50 in (0.0%)
- Ix
- 4.9 in⁴ (0.0%)
Source: AISC Shapes Database v16.0 · Methodology