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Section C.2 Channels

Subsection C.2.1 Channel Section-US

Description
\(d \times \,W\)
\(W\)
lb/ft
\(A\)
\(\text{in}^2\)
\(d\)
in
\(b_f\)
in
\(t_w\)
in
\(t_f\)
in
\(\bar{x}\)
in
\(\bar{I}_{xx}\)
\(\text{in}^4\)
\(\bar{I}_{yy}\)
\(\text{in}^4\)
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

Subsection C.2.2 Channel Section-SI

Description
\(d\times \,W\)
\(W\)
kg/m
\(A\)
\(\text{mm}^2\)
\(d\)
mm
\(b_f\)
mm
\(t_w\)
mm
\(t_f\)
mm
\(\bar{x}\)
mm
\(\bar{I}_{xx}\)
\(10^6 \text{ mm}^4\)
\(\bar{I}_{yy}\)
\(10^6 \text{ mm}^4\)
C380\(\times\)74 74 9480 381 94.5 18.2 16.5 20.3 168 4.58
C380\(\times\)60 60 7610 381 89.4 13.2 16.5 19.8 145 3.82
C380\(\times\)50.4 50.4 6450 381 86.4 10.2 16.5 20 131 3.36
C310\(\times\)45 45 5680 305 80.5 13 12.7 17.1 67.4 2.13
C310\(\times\)37 37 4740 305 77.5 9.83 12.7 17.1 59.9 1.85
C310\(\times\)30.8 30.8 3920 305 74.7 7.16 12.7 17.7 53.7 1.61
C250\(\times\)45 45 5680 254 77 17.1 11.1 16.5 42.9 1.64
C250\(\times\)37 37 4740 254 73.4 13.4 11.1 15.7 37.9 1.39
C250\(\times\)30 30 3790 254 69.6 9.63 11.1 15.4 32.8 1.17
C250\(\times\)22.8 22.8 2890 254 66 6.1 11.1 16.1 28 0.945
C230\(\times\)30 30 3790 229 67.3 11.4 10.5 14.8 25.3 1
C230\(\times\)22 22 2840 229 63.2 7.24 10.5 14.9 21.2 0.795
C230\(\times\)19.9 19.9 2540 229 61.7 5.92 10.5 15.3 19.9 0.728
C200\(\times\)27.9 27.9 3550 203 64.3 12.4 9.91 14.4 18.3 0.82
C200\(\times\)20.5 20.5 2600 203 59.4 7.7 9.91 14.1 15 0.633
C200\(\times\)17.1 17.1 2170 203 57.4 5.59 9.91 14.5 13.5 0.545
C180\(\times\)22 22 2790 178 58.4 10.6 9.3 13.5 11.3 0.57
C180\(\times\)18.2 18.2 2320 178 55.6 7.98 9.3 13.3 10.1 0.483
C180\(\times\)14.6 14.6 1850 178 53.1 5.33 9.3 13.7 8.82 0.398
C150\(\times\)19.3 19.3 2460 152 54.9 11.1 8.71 13.1 7.2 0.437
C150\(\times\)15.6 15.6 1980 152 51.6 7.98 8.71 12.7 6.29 0.358
C150\(\times\)12.2 12.2 1540 152 48.8 5.08 8.71 13 5.45 0.286
C130\(\times\)13 13 1700 127 48 8.26 8.13 12.1 3.7 0.26
C130\(\times\)10.4 10.4 1270 127 44.5 4.83 8.13 12.3 3.11 0.196
C100\(\times\)10.8 10.8 1370 102 43.7 8.15 7.52 11.7 1.91 0.177
C100\(\times\)9.3 9.3 1190 102 41.9 6.27 7.52 11.5 1.74 0.156
C100\(\times\)8 8 1020 102 40.1 4.67 7.52 11.6 1.6 0.13
C100\(\times\)6.7 6.7 865 102 38.6 3.18 7.52 12 1.47 0.11
C75\(\times\)8.9 8.9 1140 76.2 40.6 9.04 6.93 11.6 0.862 0.125
C75\(\times\)7.4 7.4 948 76.2 38.1 6.55 6.93 11.2 0.77 0.1
C75\(\times\)6.1 6.1 774 76.2 35.8 4.32 6.93 11.1 0.687 0.0795
C75\(\times\)5.2 5.2 703 76.2 34.8 3.35 6.93 11.3 0.653 0.0703