C Channels – Structural
A36 / A529G50 / A572G50

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Designation
Depth/Inches
x Wt/Ft/Lbs.

Depth of
Channel

Flange in Inches

Width

Average
Thickness

Web Thickness
Inches
C 3 x

3.5

 3.00 1.372 .273 .132
4.1 3.00 1.410 .273 .170
5.0 3.00 1.498 .273 .258
6.0 3.00 1.596 .273 .356
C 4 x 4.5 4.00 1.584 .296 .125
5.4 4.00 1.584 .296 .184
6.2 5 4.00 1.647 .296 .184
7.2 5 4.00 1.721 .296 .321
C 5 x 6.7 5.00 1.750 .320 .190
9.0 5.00 1.885 .320 .325
C 6 x 8.2 6.00 1.920 .343 .200
10.5 6.00 2.034 .343 .314
13.0 6.00 2.157 .343 .437
C 7 x 9.8 7.00 2.090 .366 .210
12.2 5 7.00 2.194 .366 .314
14.7 5 7.00 2.299 .366 .419
C 8 x 11.5 8.00 2.260 .390 .220
13.7 5 8.00 2.343 .390 .303
18.7 5 8.00 2.527 .390 .487
C 9 x 13.4 9.00 2.433 .413 .233
15.0 9.00 2.485 .413 .285
20.0 9.00 2.648 .413 .448
C 10 x 15.3 10.00 2.600 .436 .240
20.0 10.00 2.739 .436 .379
25.0 10.00 2.886 .436 .526
30.0 10.00 3.033 .436 .673
C 12 x 20.7 12.00 2.942 .501 .282
25.0 12.00 3.047 .501 .387
30.0 0 12.00 3.170 .501 .510
C 15 x 3 3.9 15.00 3.400 .650 .400
40.0 15.00 3.520 .650 .520
50.0 15.00 3.716 .650 .716


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