Steel Beam Sizes / AISC / Channels / C3x3.5
C3x3.5 Dimensions, Weight and Section Properties
AISC Channels · v16.0
C3x3.5: 3 in depth, 1.37 in flange width, 3.5 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
C3x3.5 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 | 3.50 lb/ft | 5.20 kg/m |
| Depth, d | 3.00 in | 76.20 mm |
| Flange width, bf | 1.37 in | 34.80 mm |
| tw | 0.132 in | 3.350 mm |
| tf | 0.273 in | 6.930 mm |
| Area | 1.09 in² | 703.00 mm² |
| Ix | 1.57 in⁴ | 653,000.00 mm⁴ |
| Iy | 0.17 in⁴ | 70,300.00 mm⁴ |
| Sx | 1.04 in³ | 17,000.00 mm³ |
| Sy | 0.18 in³ | 2,980.00 mm³ |
| Zx | 1.24 in³ | 20,300.00 mm³ |
| Zy | 0.36 in³ | 5,960.00 mm³ |
| rx | 1.20 in | 30.50 mm |
| ry | 0.39 in | 10.00 mm |
| J | 0.02 in⁴ | 9,410.00 mm⁴ |
| Cw | 0.28 in⁶ | 74,100,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus C3x3.5.
Source: AISC Shapes Database v16.0 · Methodology