Steel Beam Sizes / AISC / Angles / L4x3-1/2x3/8
L4x3-1/2x3/8 Steel Beam Dimensions and Properties
AISC Angles · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L4x3-1/2x3/8 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 | 9.10 lb/ft | 13.50 kg/m |
| Width | 4.00 in | 102.00 mm |
| Height | 3.50 in | 88.90 mm |
| t | 0.375 in | 9.530 mm |
| Area | 2.68 in² | 1,730.00 mm² |
| Ix | 4.15 in⁴ | 1,730,000 mm⁴ |
| Iy | 2.96 in⁴ | 1,230,000 mm⁴ |
| Sx | 1.48 in³ | 24,300.00 mm³ |
| Sy | 1.16 in³ | 19,000.00 mm³ |
| Zx | 2.66 in³ | 43,600.00 mm³ |
| Zy | 2.06 in³ | 33,800.00 mm³ |
| rx | 1.25 in | 31.80 mm |
| ry | 1.05 in | 26.70 mm |
| J | 0.13 in⁴ | 54,900.00 mm⁴ |
| Cw | 0.13 in⁶ | 36,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L4x3-1/2x3/8.
Lighter in L4
L4x3x3/8
- Weight
- 8.5 lb/ft (-6.6%)
- Depth
- 3.00 in (-14%)
- Ix
- 3.9 in⁴ (-5.1%)
Heavier in L4
L4x4x3/8
- Weight
- 9.8 lb/ft (+7.7%)
- Depth
- 4.00 in (+14%)
- Ix
- 4.3 in⁴ (+4.1%)
Closest Iₓ in L4
L4x4x5/16
- Weight
- 8.2 lb/ft (-9.9%)
- Depth
- 4.00 in (+14%)
- Ix
- 3.7 in⁴ (-12%)
Similar weight in L3
L3-1/2x3x7/16
- Weight
- 9.1 lb/ft (0.0%)
- Depth
- 3.00 in (-14%)
- Ix
- 3.1 in⁴ (-25%)
Source: AISC Shapes Database v16.0 · Methodology