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Standard Channels

Standard Channels
CSA G40.21 – 44 W
STOCK LENGTHS 20.0 40.0 60.0


     Flange​
Metric Imperial Depth mm Width Width mm Thickness (mean) mm Web Thickness mm Section Modulus 103mm3
C75 x 5 C3 x 3.5 76 34 6.9 3.4 16.7
6 4.1 35 6.9 4.3 17.6
7 5.0 37 6.9 6.6 19.7
9 6.0 40 6.9 9.0 22.3
C100 x 7 C4 x 4.5 102 38 7.5 3.2 30.0
8 5.4 40 7.5 4.7 31.6
9 6.25 42 7.5 6.3 34.6
11 7.25 43 7.5 8.2 37.4
C130 x 10 C5 x 6.7 127 44 8.1 4.8 48.6
13 9.0 47 8.1 8.3 57.6
17 11.5 52 8.1 12.0 61.1
C150 x 12 C6 x 8.2 152 48 8.7 5.1 70.5
16 10.5 51 8.7 8.0 81.8
19 13.0 54 8.7 11.1 93.6
C180 x 15 C7 x 9.8 178 53 9.3 5.3 99.6
18 12.25 55 9.3 8.0 113
22* 14.75 58 9.3 0.6 127
C200 x 17 C8 x  11.5 203 57 9.9 5.6 133
21 13.75 59 9.9 7.7 147
28 18.75 64 9.9 12.4 180
C230 x 20 C9 x 13.4 229 61 10.5 5.9 173
22 15 63 10.5 7.2 186
30 20 67 10.5 11.4 222
C250 x 23 C10 x 15.3 254 65 11.1 6.1 219
30 20 69 11.1 9.6 257
37 25 73 11.1 13.4 299
45* 30 76 11.1 17.1 337
C310 x 31* C12 x 20.7* 305 74 12.7 7.2 351
37* 25.0* 77 12.7 9.8 393
45* 30.0* 80 12.7 13.0 442
C380 x  50* C15 x 33.9* 381 86 16.5 10.2 687
60* 40.0* 89 16.5 13.2 760
74* 50.0* 94 16.5 18.2 881

 

Flange​
Imperial Metric Depth ins. Width Width ins. Thickness (mean) ins. Web Thickness ins. Section Modulus ins.3
C3 x 3.5 C75 x 5 3.00 1.36 0.273 0.125 1.02
4.1 6 1.41 0.273 0.170 1.10
5.0 7 1.50 0.273 0.258 1.24
6.0 9 1.60 0.273 0.356 1.38
C4 x 4.5 C100 x 7 4.00 1.52 0.296 0.145 1.83
5.4 8 1.58 0.296 0.184 1.93
6.25 9 1.65 0.296 0.247 2.10
7.25 11 1.72 0.296 0.321 2.29
C5 x 6.7 C130 x 10 5.00 1.75 0.320 0.190 3.00
9.0 13 1.88 0.320 0.325 3.56
11.5 17 2.03 0.320 0.472 4.10
C6 x 8.2 C150 x 12 6.00 1.92 0.343 0.200 4.38
10.5 16 2.03 0.343 0.314 5.06
13.0 19 2.16 0.343 0.437 5.80
C7 x 9.8 C180 x 15 7.00 2.09 0.366 0.210 6.08
12.25 18 2.19 0.366 0.314 6.93
14.75 22* 2.30 0.366 0.419 7.75
C8 x 11.5 C200 x 17 8.00 2.26 0.390 0.220 8.14
13.8 21 2.34 0.390 0.303 9.03
18.8 28 2.53 0.390 0.487 11.0
C9 x 13.4 C230 x 20 9.00 2.43 0.413 0.233 10.6
15.0 22 2.48 0.413 0.285 11.3
20.0 30 2.65 0.413 0.448 13.5
C10 x 15.3 C250 x 23 10.00 2.60 0.436 0.240 13.5
20.0 30 2.74 0.436 0.379 15.8
25.0 37 2.89 0.436 0.526 18.2
30.0 45* 3.03 0.436 0.673 20.7
C12 x 20.7* C310 x 31* 12.00 2.94 0.501 0.282 21.5
25.0* 37* 3.05 0.501 0.387 24.1
30.0* 45* 3.17 0.501 0.510 27.0
C15 x 33.9* C380 x 50* 15.00 3.40 0.650 0.400 42.0
40.0* 60* 3.52 0.650 0.520 46.5
50.0* 74* 3.72 0.650 0.716 53.8

 

 

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