Steel Beam Sizes / AISC / Angles / L3x2x1/2
L3x2x1/2 Steel Beam Dimensions and Properties
AISC Angles · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L3x2x1/2 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 | 7.70 lb/ft | 11.50 kg/m |
| Width | 3.00 in | 76.20 mm |
| Height | 2.00 in | 50.80 mm |
| t | 0.500 in | 12.700 mm |
| Area | 2.26 in² | 1,460.00 mm² |
| Ix | 1.92 in⁴ | 799,000.00 mm⁴ |
| Iy | 0.67 in⁴ | 278,000.00 mm⁴ |
| Sx | 1.00 in³ | 16,400.00 mm³ |
| Sy | 0.47 in³ | 7,700.00 mm³ |
| Zx | 1.78 in³ | 29,200.00 mm³ |
| Zy | 0.89 in³ | 14,500.00 mm³ |
| rx | 0.92 in | 23.40 mm |
| ry | 0.54 in | 13.80 mm |
| J | 0.19 in⁴ | 79,900.00 mm⁴ |
| Cw | 0.09 in⁶ | 24,400,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L3x2x1/2.
Lighter in L3
L3x2-1/2x7/16
- Weight
- 7.6 lb/ft (-1.3%)
- Depth
- 2.50 in (+25%)
- Ix
- 1.9 in⁴ (-2.6%)
Heavier in L3
L3-1/2x3x3/8
- Weight
- 7.9 lb/ft (+2.6%)
- Depth
- 3.00 in (+50%)
- Ix
- 2.7 in⁴ (+42%)
Closest Iₓ in L3
L3-1/2x3x1/4
- Weight
- 5.4 lb/ft (-30%)
- Depth
- 3.00 in (+50%)
- Ix
- 1.9 in⁴ (0.0%)
Similar weight in L4
L4x3-1/2x5/16
- Weight
- 7.7 lb/ft (0.0%)
- Depth
- 3.50 in (+75%)
- Ix
- 3.5 in⁴ (+84%)
Source: AISC Shapes Database v16.0 · Methodology