Channels
American Standard channels have sloped inner flange faces. Common as girts, purlins, stair stringers, and built-up member components.
All 32 channels in the AISC Shapes Database, 16th Edition, with detailing dimensions and section properties drawn to scale.
Open the interactive size chart →All 32 channels
C3×3.5C3×4.1C4×4.5C3×5C4×5.4C3×6C4×6.25C5×6.7C4×7.25C6×8.2C5×9C7×9.8C6×10.5C8×11.5C7×12.25C6×13C9×13.4C8×13.75C7×14.75C9×15C10×15.3C8×18.75C9×20C10×20C12×20.7C10×25C12×25C10×30C12×30C15×33.9C15×40C15×50
Channels weight and dimension chart
All 32 channels by weight, with depth, width, and section modulus. Click any size for its full detail.
| Size | Weight (lb/ft) | Depth | Flange | Sx (in³) |
|---|---|---|---|---|
| C3×3.5 | 3.5 | 3" | 1 3/8" | 1.04 |
| C3×4.1 | 4.1 | 3" | 1 3/8" | 1.1 |
| C4×4.5 | 4.5 | 4" | 1 1/2" | 1.77 |
| C3×5 | 5 | 3" | 1 1/2" | 1.23 |
| C4×5.4 | 5.4 | 4" | 1 5/8" | 1.92 |
| C3×6 | 6 | 3" | 1 5/8" | 1.38 |
| C4×6.25 | 6.25 | 4" | 1 5/8" | 2.1 |
| C5×6.7 | 6.7 | 5" | 1 3/4" | 2.99 |
| C4×7.25 | 7.25 | 4" | 1 3/4" | 2.29 |
| C6×8.2 | 8.2 | 6" | 1 7/8" | 4.35 |
| C5×9 | 9 | 5" | 1 7/8" | 3.56 |
| C7×9.8 | 9.8 | 7" | 2 1/8" | 6.07 |
| C6×10.5 | 10.5 | 6" | 2" | 5.04 |
| C8×11.5 | 11.5 | 8" | 2 1/4" | 8.14 |
| C7×12.25 | 12.25 | 7" | 2 1/4" | 6.92 |
| C6×13 | 13 | 6" | 2 1/8" | 5.78 |
| C9×13.4 | 13.4 | 9" | 2 3/8" | 10.6 |
| C8×13.75 | 13.75 | 8" | 2 3/8" | 9.02 |
| C7×14.75 | 14.75 | 7" | 2 1/4" | 7.78 |
| C9×15 | 15 | 9" | 2 1/2" | 11.3 |
| C10×15.3 | 15.3 | 10" | 2 5/8" | 13.5 |
| C8×18.75 | 18.75 | 8" | 2 1/2" | 11 |
| C10×20 | 20 | 10" | 2 3/4" | 15.8 |
| C9×20 | 20 | 9" | 2 5/8" | 13.5 |
| C12×20.7 | 20.7 | 12" | 3" | 21.5 |
| C12×25 | 25 | 12" | 3" | 24 |
| C10×25 | 25 | 10" | 2 7/8" | 18.2 |
| C12×30 | 30 | 12" | 3 1/8" | 27 |
| C10×30 | 30 | 10" | 3" | 20.7 |
| C15×33.9 | 33.9 | 15" | 3 3/8" | 42 |
| C15×40 | 40 | 15" | 3 1/2" | 46.5 |
| C15×50 | 50 | 15" | 3 3/4" | 53.8 |
Data from the AISC Shapes Database v16.0. Detailing values are rounded to the nearest 1/16 in.; verify critical dimensions against the current AISC Steel Construction Manual before fabrication.