Steel Beam Sizes / AISC / Angles / L4x4x3/4
L4x4x3/4 Dimensions, Weight and Section Properties
AISC Angles · v16.0
L4x4x3/4: 4 in depth, 18.5 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
L4x4x3/4 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 | 18.50 lb/ft | 27.50 kg/m |
| Width | 4.00 in | 102.00 mm |
| Height | 4.00 in | 102.00 mm |
| t | 0.750 in | 19.100 mm |
| Area | 5.44 in² | 3,510.00 mm² |
| Ix | 7.62 in⁴ | 3,170,000 mm⁴ |
| Iy | 7.62 in⁴ | 3,170,000 mm⁴ |
| Sx | 2.79 in³ | 45,700.00 mm³ |
| Sy | 2.79 in³ | 45,700.00 mm³ |
| Zx | 5.02 in³ | 82,300.00 mm³ |
| Zy | 5.02 in³ | 82,300.00 mm³ |
| rx | 1.18 in | 30.00 mm |
| ry | 1.18 in | 30.00 mm |
| J | 1.02 in⁴ | 425,000.00 mm⁴ |
| Cw | 1.12 in⁶ | 301,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus L4x4x3/4.
Source: AISC Shapes Database v16.0 · Methodology