Steel Beam Sizes / AISC / Angles / L3-1/2x3x7/16
L3-1/2x3x7/16 Steel Beam Dimensions and Properties
AISC Angles · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L3-1/2x3x7/16 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 | 9.10 lb/ft | 13.50 kg/m |
| Width | 3.50 in | 88.90 mm |
| Height | 3.00 in | 76.20 mm |
| t | 0.438 in | 11.100 mm |
| Area | 2.67 in² | 1,720.00 mm² |
| Ix | 3.10 in⁴ | 1,290,000 mm⁴ |
| Iy | 2.09 in⁴ | 870,000.00 mm⁴ |
| Sx | 1.29 in³ | 21,100.00 mm³ |
| Sy | 0.97 in³ | 15,900.00 mm³ |
| Zx | 2.32 in³ | 38,000.00 mm³ |
| Zy | 1.75 in³ | 28,700.00 mm³ |
| rx | 1.08 in | 27.40 mm |
| ry | 0.89 in | 22.50 mm |
| J | 0.18 in⁴ | 74,100.00 mm⁴ |
| Cw | 0.13 in⁶ | 35,400,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L3-1/2x3x7/16.
Lighter in L3
L3-1/2x3-1/2x3/8
- Weight
- 8.5 lb/ft (-6.6%)
- Depth
- 3.50 in (+17%)
- Ix
- 2.9 in⁴ (-7.7%)
Heavier in L3
L3-1/2x2-1/2x1/2
- Weight
- 9.4 lb/ft (+3.3%)
- Depth
- 2.50 in (-17%)
- Ix
- 3.2 in⁴ (+4.5%)
Closest Iₓ in L3
L3-1/2x3-1/2x7/16
- Weight
- 9.8 lb/ft (+7.7%)
- Depth
- 3.50 in (+17%)
- Ix
- 3.3 in⁴ (+4.8%)
Similar weight in L4
L4x3-1/2x3/8
- Weight
- 9.1 lb/ft (0.0%)
- Depth
- 3.50 in (+17%)
- Ix
- 4.2 in⁴ (+34%)
Source: AISC Shapes Database v16.0 · Methodology