C9×20 channel
C9×20 weighs 20 lb per foot. Detailing dimensions and section properties below come from the AISC Shapes Database, 16th Edition. Values are shown to the nearest 1/16 in. as they appear on a shop drawing.
Detailing dimensions
| Depth (d) | 9" |
|---|---|
| Flange width (bf) | 2 5/8" |
| Web thickness (tw) | 7/16" |
| Avg flange thickness (tf) | 7/16" |
| k (detailing) | 1" |
Section properties
| Weight | 20 lb/ft |
|---|---|
| Area (A) | 5.87 in² |
| Ix | 60.9 in⁴ |
| Sx | 13.5 in³ |
| Zx | 16.9 in³ |
| rx | 3.22 in |
| Iy | 2.41 in⁴ |
| Sy | 1.17 in³ |
| Zy | 2.46 in³ |
| ry | 0.64 in |
| J | 0.427 in⁴ |
Detailing values are rounded to the nearest 1/16 in. per the AISC Steel Construction Manual. Verify critical dimensions against the current Manual before fabrication. Need C9×20 cut, formed, or fabricated? Huntington Steel & Supply Co.