Steel Beam Sizes / AISC / Angles / L7x4x3/4
L7x4x3/4 Dimensions, Weight and Section Properties
AISC Angles · v16.0
L7x4x3/4: 4 in depth, 26.2 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
L7x4x3/4 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 | 26.20 lb/ft | 38.80 kg/m |
| Width | 7.00 in | 178.00 mm |
| Height | 4.00 in | 102.00 mm |
| t | 0.750 in | 19.100 mm |
| Area | 7.74 in² | 4,990.00 mm² |
| Ix | 37.80 in⁴ | 15,700,000 mm⁴ |
| Iy | 9.00 in⁴ | 3,750,000 mm⁴ |
| Sx | 8.39 in³ | 137,000.00 mm³ |
| Sy | 3.01 in³ | 49,300.00 mm³ |
| Zx | 14.80 in³ | 243,000.00 mm³ |
| Zy | 5.60 in³ | 91,800.00 mm³ |
| rx | 2.21 in | 56.10 mm |
| ry | 1.08 in | 27.40 mm |
| J | 1.47 in⁴ | 612,000.00 mm⁴ |
| Cw | 3.97 in⁶ | 1,070,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus L7x4x3/4.
Source: AISC Shapes Database v16.0 · Methodology