Steel Beam Sizes / AISC / Angles / L5x3x1/2
L5x3x1/2 Steel Beam Dimensions and Properties
AISC Angles · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L5x3x1/2 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 | 12.80 lb/ft | 19.00 kg/m |
| Width | 5.00 in | 127.00 mm |
| Height | 3.00 in | 76.20 mm |
| t | 0.500 in | 12.700 mm |
| Area | 3.75 in² | 2,420.00 mm² |
| Ix | 9.43 in⁴ | 3,930,000 mm⁴ |
| Iy | 2.55 in⁴ | 1,060,000 mm⁴ |
| Sx | 2.89 in³ | 47,400.00 mm³ |
| Sy | 1.13 in³ | 18,500.00 mm³ |
| Zx | 5.12 in³ | 83,900.00 mm³ |
| Zy | 2.08 in³ | 34,100.00 mm³ |
| rx | 1.58 in | 40.10 mm |
| ry | 0.82 in | 20.90 mm |
| J | 0.32 in⁴ | 134,000.00 mm⁴ |
| Cw | 0.44 in⁶ | 119,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L5x3x1/2.
Lighter in L5
L5x5x3/8
- Weight
- 12.3 lb/ft (-3.9%)
- Depth
- 5.00 in (+67%)
- Ix
- 8.8 in⁴ (-7.1%)
Heavier in L5
L5x3-1/2x1/2
- Weight
- 13.6 lb/ft (+6.2%)
- Depth
- 3.50 in (+17%)
- Ix
- 10.0 in⁴ (+6.0%)
Closest Iₓ in L5
L5x5x7/16
- Weight
- 14.3 lb/ft (+12%)
- Depth
- 5.00 in (+67%)
- Ix
- 10.0 in⁴ (+6.0%)
Similar weight in L4
L4x4x1/2
- Weight
- 12.8 lb/ft (0.0%)
- Depth
- 4.00 in (+33%)
- Ix
- 5.5 in⁴ (-41%)
Source: AISC Shapes Database v16.0 · Methodology