Steel Beam Sizes / AISC / Double Angles / 2L3-1/2x3x7/16x3/8LLBB
2L3-1/2x3x7/16x3/8LLBB Dimensions, Weight and Section Properties
AISC Double angles · v16.0
2L3-1/2x3x7/16x3/8LLBB: 3.5 in depth, 18.2 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
Need this steel supplied or fabricated?
Request project pricing for delivery in the United States or Canada.
Get a steel quote →Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
2L3-1/2x3x7/16x3/8LLBB 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 | 18.20 lb/ft | 27.00 kg/m |
| Width | 3.00 in | 76.20 mm |
| Height | 3.50 in | 88.90 mm |
| t | 0.438 in | 11.100 mm |
| Area | 5.34 in² | 3,450.00 mm² |
| Ix | 6.20 in⁴ | 2,580,000 mm⁴ |
| Iy | 9.88 in⁴ | 4,110,000 mm⁴ |
| Sx | 2.58 in³ | 42,300.00 mm³ |
| rx | 1.08 in | 27.40 mm |
| ry | 1.36 in | 34.50 mm |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus 2L3-1/2x3x7/16x3/8LLBB.
Lighter in Double angles
2L5x3-1/2x5/16LLBB
- Weight
- 17.4 lb/ft (-4.4%)
- Depth
- 5.00 in (+43%)
- Ix
- 13.2 in⁴ (+113%)
Heavier in Double angles
2L3-1/2x2-1/2x1/2LLBB
- Weight
- 18.8 lb/ft (+3.3%)
- Depth
- 3.50 in (0.0%)
- Ix
- 6.5 in⁴ (+4.5%)
Another Iₓ option in Double angles
2L3-1/2x3x7/16LLBB
- Weight
- 18.2 lb/ft (0.0%)
- Depth
- 3.50 in (0.0%)
- Ix
- 6.2 in⁴ (0.0%)
Source: AISC Shapes Database v16.0 · Methodology