Steel Beam Sizes / AISC / Angles / L3-1/2x3x5/16
L3-1/2x3x5/16 Dimensions, Weight and Section Properties
AISC Angles · v16.0
L3-1/2x3x5/16: 3 in depth, 6.6 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
L3-1/2x3x5/16 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 | 6.60 lb/ft | 9.80 kg/m |
| Width | 3.50 in | 88.90 mm |
| Height | 3.00 in | 76.20 mm |
| t | 0.313 in | 7.940 mm |
| Area | 1.95 in² | 1,260.00 mm² |
| Ix | 2.33 in⁴ | 970,000.00 mm⁴ |
| Iy | 1.58 in⁴ | 658,000.00 mm⁴ |
| Sx | 0.95 in³ | 15,600.00 mm³ |
| Sy | 0.72 in³ | 11,800.00 mm³ |
| Zx | 1.72 in³ | 28,200.00 mm³ |
| Zy | 1.28 in³ | 21,000.00 mm³ |
| rx | 1.09 in | 27.70 mm |
| ry | 0.90 in | 22.90 mm |
| J | 0.07 in⁴ | 28,300.00 mm⁴ |
| Cw | 0.05 in⁶ | 13,700,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus L3-1/2x3x5/16.
Lighter in L3
L3-1/2x2-1/2x5/16
- Weight
- 6.1 lb/ft (-7.6%)
- Depth
- 2.50 in (-17%)
- Ix
- 2.2 in⁴ (-5.6%)
Heavier in L3
L3-1/2x2-1/2x3/8
- Weight
- 7.2 lb/ft (+9.1%)
- Depth
- 2.50 in (-17%)
- Ix
- 2.6 in⁴ (+9.9%)
Another Iₓ option in L3
L3-1/2x3-1/2x5/16
- Weight
- 7.2 lb/ft (+9.1%)
- Depth
- 3.50 in (+17%)
- Ix
- 2.4 in⁴ (+4.7%)
Similar weight in L4
L4x4x1/4
- Weight
- 6.6 lb/ft (0.0%)
- Depth
- 4.00 in (+33%)
- Ix
- 3.0 in⁴ (+29%)
Source: AISC Shapes Database v16.0 · Methodology