Steel Beam Sizes / AISC / Angles / L5x3-1/2x3/4
L5x3-1/2x3/4 Steel Beam Dimensions and Properties
AISC Angles · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L5x3-1/2x3/4 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 | 19.80 lb/ft | 29.30 kg/m |
| Width | 5.00 in | 127.00 mm |
| Height | 3.50 in | 88.90 mm |
| t | 0.750 in | 19.100 mm |
| Area | 5.85 in² | 3,770.00 mm² |
| Ix | 13.90 in⁴ | 5,790,000 mm⁴ |
| Iy | 5.52 in⁴ | 2,300,000 mm⁴ |
| Sx | 4.26 in³ | 69,800.00 mm³ |
| Sy | 2.20 in³ | 36,100.00 mm³ |
| Zx | 7.60 in³ | 125,000.00 mm³ |
| Zy | 4.07 in³ | 66,700.00 mm³ |
| rx | 1.55 in | 39.40 mm |
| ry | 0.97 in | 24.70 mm |
| J | 1.09 in⁴ | 454,000.00 mm⁴ |
| Cw | 1.52 in⁶ | 408,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L5x3-1/2x3/4.
Lighter in L5
L5x3-1/2x5/8
- Weight
- 16.8 lb/ft (-15%)
- Depth
- 3.50 in (0.0%)
- Ix
- 12.0 in⁴ (-14%)
Heavier in L5
L5x5x5/8
- Weight
- 20.0 lb/ft (+1.0%)
- Depth
- 5.00 in (+43%)
- Ix
- 13.6 in⁴ (-2.2%)
Closest Iₓ in L5
L5x5x3/4
- Weight
- 23.6 lb/ft (+19%)
- Depth
- 5.00 in (+43%)
- Ix
- 15.7 in⁴ (+13%)
Similar weight in L6
L6x4x5/8
- Weight
- 20.0 lb/ft (+1.0%)
- Depth
- 4.00 in (+14%)
- Ix
- 21.0 in⁴ (+51%)
Source: AISC Shapes Database v16.0 · Methodology