Steel Beam Sizes / AISC / S-Shapes / S4x7.7
S4x7.7 Dimensions, Weight and Section Properties
AISC American standard beams · v16.0
S4x7.7: 4 in depth, 2.66 in flange width, 7.7 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
S4x7.7 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 | 7.70 lb/ft | 11.50 kg/m |
| Depth, d | 4.00 in | 102.00 mm |
| Flange width, bf | 2.66 in | 67.60 mm |
| tw | 0.193 in | 4.900 mm |
| tf | 0.293 in | 7.440 mm |
| Area | 2.26 in² | 1,460.00 mm² |
| Ix | 6.05 in⁴ | 2,520,000 mm⁴ |
| Iy | 0.75 in⁴ | 311,000.00 mm⁴ |
| Sx | 3.03 in³ | 49,700.00 mm³ |
| Sy | 0.56 in³ | 9,210.00 mm³ |
| Zx | 3.50 in³ | 57,400.00 mm³ |
| Zy | 0.97 in³ | 15,900.00 mm³ |
| rx | 1.64 in | 41.70 mm |
| ry | 0.58 in | 14.60 mm |
| J | 0.07 in⁴ | 30,500.00 mm⁴ |
| Cw | 2.57 in⁶ | 690,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus S4x7.7.
Source: AISC Shapes Database v16.0 · Methodology