Properties of Steel Sections - Channel, U.S. customary units
| Description $\boldsymbol{d} \times \,\boldsymbol{b_f}$ |
$W$ lb/ft |
$A$ in.2 |
$d$ in. |
$b_f$ in. |
$t_w$ in. |
$t_f$ in. |
$\bar{x}$ in. |
$\bar{I}_{xx}$ in.4 |
$\bar{I}_{yy}$ in.4 |
|---|---|---|---|---|---|---|---|---|---|
| C15$\times$50 | 50 | 14.7 | 15 | 3.72 | 0.716 | 0.65 | 0.799 | 404 | 11 |
| C15$\times$40 | 40 | 11.8 | 15 | 3.52 | 0.52 | 0.65 | 0.778 | 348 | 9.17 |
| C15$\times$33.9 | 33.9 | 10 | 15 | 3.4 | 0.4 | 0.65 | 0.788 | 315 | 8.07 |
| C12$\times$30 | 30 | 8.81 | 12 | 3.17 | 0.51 | 0.501 | 0.674 | 162 | 5.12 |
| C12$\times$25 | 25 | 7.34 | 12 | 3.05 | 0.387 | 0.501 | 0.674 | 144 | 4.45 |
| C12$\times$20.7 | 20.7 | 6.08 | 12 | 2.94 | 0.282 | 0.501 | 0.698 | 129 | 3.86 |
| C10$\times$30 | 30 | 8.81 | 10 | 3.03 | 0.673 | 0.436 | 0.649 | 103 | 3.93 |
| C10$\times$25 | 25 | 7.35 | 10 | 2.89 | 0.526 | 0.436 | 0.617 | 91.1 | 3.34 |
| C10$\times$20 | 20 | 5.87 | 10 | 2.74 | 0.379 | 0.436 | 0.606 | 78.9 | 2.8 |
| C10$\times$15.3 | 15.3 | 4.48 | 10 | 2.6 | 0.24 | 0.436 | 0.634 | 67.3 | 2.27 |
| C9$\times$20 | 20 | 5.87 | 9 | 2.65 | 0.448 | 0.413 | 0.583 | 60.9 | 2.41 |
| C9$\times$15 | 15 | 4.4 | 9 | 2.49 | 0.285 | 0.413 | 0.586 | 51 | 1.91 |
| C9$\times$13.4 | 13.4 | 3.94 | 9 | 2.43 | 0.233 | 0.413 | 0.601 | 47.8 | 1.75 |
| C8$\times$18.75 | 18.75 | 5.51 | 8 | 2.53 | 0.487 | 0.39 | 0.565 | 43.9 | 1.97 |
| C8$\times$13.75 | 13.75 | 4.03 | 8 | 2.34 | 0.303 | 0.39 | 0.554 | 36.1 | 1.52 |
| C8$\times$11.5 | 11.5 | 3.37 | 8 | 2.26 | 0.22 | 0.39 | 0.572 | 32.5 | 1.31 |
| C7$\times$14.75 | 14.75 | 4.33 | 7 | 2.3 | 0.419 | 0.366 | 0.532 | 27.2 | 1.37 |
| C7$\times$12.25 | 12.25 | 3.59 | 7 | 2.19 | 0.314 | 0.366 | 0.525 | 24.2 | 1.16 |
| C7$\times$9.8 | 9.8 | 2.87 | 7 | 2.09 | 0.21 | 0.366 | 0.541 | 21.2 | 0.957 |
| C6$\times$13 | 13 | 3.82 | 6 | 2.16 | 0.437 | 0.343 | 0.514 | 17.3 | 1.05 |
| C6$\times$10.5 | 10.5 | 3.07 | 6 | 2.03 | 0.314 | 0.343 | 0.5 | 15.1 | 0.86 |
| C6$\times$8.2 | 8.2 | 2.39 | 6 | 1.92 | 0.2 | 0.343 | 0.512 | 13.1 | 0.687 |
| C5$\times$9 | 9 | 2.64 | 5 | 1.89 | 0.325 | 0.32 | 0.478 | 8.89 | 0.624 |
| C5$\times$6.7 | 6.7 | 1.97 | 5 | 1.75 | 0.19 | 0.32 | 0.484 | 7.48 | 0.47 |
| C4$\times$7.25 | 7.25 | 2.13 | 4 | 1.72 | 0.321 | 0.296 | 0.459 | 4.58 | 0.425 |
| C4$\times$6.25 | 6.25 | 1.84 | 4 | 1.65 | 0.247 | 0.296 | 0.453 | 4.19 | 0.374 |
| C4$\times$5.4 | 5.4 | 1.58 | 4 | 1.58 | 0.184 | 0.296 | 0.457 | 3.85 | 0.312 |
| C4$\times$4.5 | 4.5 | 1.34 | 4 | 1.52 | 0.125 | 0.296 | 0.473 | 3.53 | 0.265 |
| C3$\times$6 | 6 | 1.76 | 3 | 1.6 | 0.356 | 0.273 | 0.455 | 2.07 | 0.3 |
| C3$\times$5 | 5 | 1.47 | 3 | 1.5 | 0.258 | 0.273 | 0.439 | 1.85 | 0.241 |
| C3$\times$4.1 | 4.1 | 1.2 | 3 | 1.41 | 0.17 | 0.273 | 0.437 | 1.65 | 0.191 |
| C3$\times$3.5 | 3.5 | 1.09 | 3 | 1.37 | 0.132 | 0.273 | 0.443 | 1.57 | 0.169 |