Steel Beam Sizes / AISC / Channels / C9x20
C9x20 Dimensions, Weight and Section Properties
AISC Channels · v16.0
C9x20: 9 in depth, 2.65 in flange width, 20 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
Need this steel supplied or fabricated?
Request project pricing for delivery in the United States or Canada.
Get a steel quote →Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
C9x20 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 | 20.00 lb/ft | 30.00 kg/m |
| Depth, d | 9.00 in | 229.00 mm |
| Flange width, bf | 2.65 in | 67.30 mm |
| tw | 0.448 in | 11.400 mm |
| tf | 0.413 in | 10.500 mm |
| Area | 5.87 in² | 3,790.00 mm² |
| Ix | 60.90 in⁴ | 25,300,000 mm⁴ |
| Iy | 2.41 in⁴ | 1,000,000 mm⁴ |
| Sx | 13.50 in³ | 221,000.00 mm³ |
| Sy | 1.17 in³ | 19,200.00 mm³ |
| Zx | 16.90 in³ | 277,000.00 mm³ |
| Zy | 2.46 in³ | 40,300.00 mm³ |
| rx | 3.22 in | 81.80 mm |
| ry | 0.64 in | 16.30 mm |
| J | 0.43 in⁴ | 178,000.00 mm⁴ |
| Cw | 39.40 in⁶ | 10,600,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus C9x20.
Source: AISC Shapes Database v16.0 · Methodology