C12×20.7 channel
C12×20.7 weighs 20.7 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) | 12" |
|---|---|
| Flange width (bf) | 3" |
| Web thickness (tw) | 5/16" |
| Avg flange thickness (tf) | 1/2" |
| k (detailing) | 1 1/8" |
Section properties
| Weight | 20.7 lb/ft |
|---|---|
| Area (A) | 6.08 in² |
| Ix | 129 in⁴ |
| Sx | 21.5 in³ |
| Zx | 25.6 in³ |
| rx | 4.61 in |
| Iy | 3.86 in⁴ |
| Sy | 1.72 in³ |
| Zy | 3.47 in³ |
| ry | 0.797 in |
| J | 0.369 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 C12×20.7 cut, formed, or fabricated? Huntington Steel & Supply Co.