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ASTM Structural Shape C - Channel Aluminum C 221 for Aluminum 6061-T6 Table Chart
Aluminum C Channel per. ASTM C 221 size dimensional chart for 6061-T6. Dimensional data given in inches. Industry does provide custom extruded sizes.
For sizes 2" to 12"

AISC Structural Shape C - Channel, Standard Aluminum
All dimensional data given in inches
Size
d x bf |
Web Thickness (tw) |
Flange Thickness (tf) |
Weight (lb/Ft) |
Area (in2) |
2.00 x 1 |
.130 |
.243 |
.580 |
.490 |
2.00 x 1 1/4 |
.170 |
.273 |
1.070 |
.910 |
3.00 x 1.41 |
.170 |
.273 |
1.420 |
1.210 |
3.00 x 1.43 |
.187 |
.273 |
1.480 |
1.260 |
3.00 x 1.50 |
.258 |
.273 |
1.730 |
1.470 |
3.00 x 1.60 |
.356 |
.273 |
2.070 |
1.760 |
4.00 x 1.58 |
.184 |
.296 |
1.850 |
1.590 |
4.00 x 1.72 |
.321 |
.296 |
2.500 |
2.130 |
5.00 x 1.75 |
.190 |
.320 |
2.320 |
1.970 |
5.00 x 1.89 |
.325 |
.320 |
3.110 |
2.640 |
6.00 x 1.92 |
.200 |
.343 |
2.830 |
2.400 |
6.00 x 2.03 |
.314 |
.343 |
3.630 |
3.090 |
6.00 x 2.16 |
.437 |
.343 |
4.480 |
3.830 |
7.00 x 2.09 |
.210 |
.366 |
3.380 |
2.870 |
7.00 x 2.19 |
.314 |
.366 |
4.230 |
3.600 |
7.00 x 2.30 |
.419 |
.366 |
4.190 |
4.330 |
8.00 x 2.29 |
.250 |
.390 |
4.250 |
3.380 |
8.00 x 2.34 |
.303 |
.390 |
4.750 |
4.040 |
8.00 x 2.43 |
.233 |
.413 |
4.600 |
3.940 |
9.00 x 2.49 |
.285 |
.413 |
5.190 |
4.410 |
9.00 x 2.65 |
.448 |
.413 |
6.910 |
5.880 |
10.00 x 2.60 |
.240 |
.436 |
5.280 |
4.490 |
10.00 x 2.74 |
.379 |
.436 |
6.910 |
5.880 |
10.00 x 2.89 |
.526 |
.436 |
8.640 |
7.350 |
10.00 x 3.03 |
.673 |
.436 |
10.370 |
8.820 |
12.00 x 2.96 |
.300 |
.498 |
7.410 |
6.300 |
12.00 x 3.05 |
.387 |
.501 |
8.640 |
7.350 |
12.00 x 3.17 |
.510 |
.501 |
10.370 |
8.820 |
15.00 x 3.40 |
.400 |
.650 |
11.710 |
9.960 |
15.00 x 3.72 |
.716 |
.650 |
17.280 |
14.700 |
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