Rolled Steel Sections Machinery's Handbook, 31st Edition Table 4. American Standard Steel Channels
2697
t f
Y
t w
American Standard Channels are designated, in order, by a section letter, actual depth in inches, and nominal weight per foot in pounds. Thus: C 7 × 14.75 indicates an American Standard Channel with a depth of 7 inches and a nominal weight of 14.75 pounds per foot.
X X
d
x
Y
b f
Axis X-X
Axis Y-Y
Flange
Web Thick- ness, t w inch
Thick- ness, t f inch
Area, A inch 2
Width, b f inch
Depth, d inch
I inch 4
x inch
S inch 3
r inch
I inch 4
S inch 3
r inch
Designation
14.7 15.00 3.716 0.650 0.716 404 53.8 5.24 11.0 3.78 0.867 0.798 11.8 15.00 3.520 0.650 0.520 349 46.5 5.44 9.23 3.37 0.886 0.777 9.96 15.00 3.400 0.650 0.400 315 42.0 5.62 8.13 3.11 0904 0.787 8.82 12.00 3.170 0.501 0.510 162 27.0 4.29 5.14 2.06 0.763 0.674 7.35 12.00 3.047 0.501 0.387 144 24.1 4.43 4.47 1.88 0.780 0.674 6.09 12.00 2.942 0.501 0.282 129 21.5 4.61 3.88 1.73 0.799 0.698 8.82 10.00 3.033 0.436 0.673 103 20.7 3.42 3.94 1.65 0.669 0.649 7.35 10.00 2.886 0.436 0.526 91.2 18.2 3.52 3.36 1.48 0.676 0.617 5.88 10.00 2.739 0.436 0.379 78.9 15.8 3.66 2.81 1.32 0.692 0.606 4.49 10.00 2.600 0.436 0.240 67.4 13.5 3.87 2.28 1.16 0.713 0.634 5.88 9.00 2.648 0.413 0.448 60.9 13.5 3.22 2.42 1.17 0.642 0.583 4.41 9.00 2.485 0.413 0.285 51.0 11.3 3.40 1.93 1.01 0.661 0.586 3.94 9.00 2.433 0.413 0.233 47.9 10.6 3.48 1.76 0.962 0.669 0.601 5.51 8.00 2.527 0.390 0.487 44.0 11.0 2.82 1.98 1.01 0.599 0.565 4.04 8.00 2.343 0.390 0.303 36.1 9.03 2.99 1.53 0.854 0.615 0.553 3.38 8.00 2.260 0.390 0.220 32.6 8.14 3.11 1.32 0.781 0.625 0.571 4.33 7.00 2.299 0.366 0.419 27.2 7.78 2.51 1.38 0.779 0.564 0.532 3.60 7.00 2.194 0.366 0.314 24.2 6.93 2.60 1.17 0.703 0.571 0.525 2.87 7.00 2.090 0.366 0.210 21.3 6.08 2.72 0.968 0.625 0.581 0.540 3.83 6.00 2.157 0.343 0.437 17.4 5.80 2.13 1.05 0.642 0.525 0.514 3.09 6.00 2.034 0.343 0.314 15.2 5.06 2.22 0.866 0.564 0.529 0.499 2.40 6.00 1.920 0.343 0.200 13.1 4.38 2.34 0.693 0.492 0.537 0.511 2.64 5.00 1.885 0.320 0.325 8.90 3.56 1.83 0.632 0.450 0.489 0.478 1.97 5.00 1.750 0.320 0.190 7.49 3.00 1.95 0.479 0.378 0.493 0.484 2.13 4.00 1.721 0.296 0.321 4.59 2.29 1.47 0.433 0.343 0.450 0.459 1.59 4.00 1.584 0.296 0.184 3.85 1.93 1.56 0.319 0.283 0.449 0.457 1.76 3.00 1.596 0.273 0.356 2.07 1.38 1.08 0.305 0.268 0.416 0.455 1.47 3.00 1.498 0.273 0.258 1.85 1.24 1.12 0.247 0.233 0.410 0.438
C 15 × 50
× 40
× 33.9
C 12 × 30
× 25
× 20.7
C 10 × 30
× 25 × 20
× 15.3
C 9 × 20
× 15
× 13.4
C 8 × 18.75
× 13.75 × 11.5
C 7 × 14.75
× 12.25
× 9.8
C 6 × 13
× 10.5 × 8.2
C 5 × 9
× 6.7
C 4 × 7.25
× 5.4
C 3 × 6
× 5
× 4.1 1.21 3.00 1.410 0.273 0.170 1.66 1.10 1.17 0.197 0.202 0.404 0.436 Symbols: I = moment of inertia; S = section modulus; r = radius of gyration; x = distance from cen ter of gravity of section to outer face of structural shape. Data taken from the “Manual of Steel Construction,” 8th Edition, 1980, with permission of the American Institute of Steel Construction.
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