Structural Shapes
Channel - Structural
Standard Channel (American Standard)
C-Shapes ASTMA-36
Sizes and products are for reference only. We do not carry or supply all sizes or items shown.
Please contact us to inquire about product availability.
| Designation Depth in inches x weight/per ft. lbs |
Weight Per Ft. (lbs.) |
Depth Section (inches) |
in inches | Flange Thickness (average, inches) |
Web Thickness (inches) |
Area of Section (inches) |
Section Modulus Sx (inches) |
**Surface Area (foot of length) |
|---|---|---|---|---|---|---|---|---|
| C3 x (3x1-1/2) |
4.1 | *3 | 1-3/8 | 1/4 | 3/16 | 1.21 | 1.10 | .89 |
| 5.0 | 3 | 1-1/2 | 1/4 | 1/4 | 1.47 | 1.24 | .91 | |
| 6.0 | 3 | 1-5/8 | 1/4 | 3/8 | 1.76 | 1.38 | .97 | |
| C4 x (4x1-5/8) |
5.4 | 4 | 1-5/8 | 5/16 | 3/16 | 1.59 | 1.93 | 1.11 |
| 6.25 | 4 | 1-5/8 | 5/16 | 1/4 | 1.82 | 2.10 | 1.12 | |
| 7.25 | 4 | 1-3/4 | 5/16 | 5/16 | 2.13 | 2.29 | 1.13 | |
| C5 x (5x1-3/4) |
6.7 | 5 | 1-3/4 | 5/16 | 3/16 | 1.97 | 3.00 | 1.33 |
| 9.0 | 5 | 1-7/8 | 5/16 | 5/16 | 2.64 | 3.56 | 1.35 | |
| C6 x (6x2) |
8.2 | 6 | 1-7/8 | 5/16 | 3/16 | 2.40 | 4.38 | 1.54 |
| 10.5 | 6 | 1-7/8 | 5/16 | 5/16 | 3.09 | 5.06 | 1.56 | |
| 13.0 | 6 | 2-1/8 | 5/16 | 7/16 | 3.83 | 5.80 | 1.58 | |
| C7 x (7x2-1/8) |
9.8 | 7 | 2-1/8 | 3/8 | 3/16 | 2.87 | 6.08 | 1.76 |
| 12.25 | 7 | 2-1/4 | 3/8 | 5/16 | 3.60 | 6.93 | 1.78 | |
| 14.75 | 7 | 2-1/4 | 3/8 | 7/16 | 4.33 | 7-7/8 | 1.83 | |
| C8 x (8x2-1/4) |
11.5 | 8 | 2-1/4 | 3/8 | 1/4 | 3.38 | 8.14 | 1.98 |
| 13.75 | 8 | 2-3/8 | 3/8 | 5/16 | 4.04 | 9.03 | 1.99 | |
| 18.75 | 8 | 2-1/2 | 3/8 | 1/2 | 5.51 | 11.00 | 2.02 | |
| C9 x (9x2-1/2 |
13.4 | *9 | 2-3/8 | 7/16 | 1/4 | 3.94 | 10.6 | 2.19 |
| 15.0 | 9 | 2-1/2 | 7/16 | 5/16 | 4.41 | 11.3 | 2.20 | |
| 20.0 | 9 | 2-5/8 | 7/16 | 7/16 | 5.88 | 13.5 | 2.31 | |
| C10 x (10x2-5/8) |
15.3 | 10 | 2-5/8 | 7/16 | 1/4 | 4.49 | 13.5 | 2.41 |
| 20.0 | 10 | 2-3/4 | 7/16 | 3/8 | 5.88 | 15.8 | 2.43 | |
| 25.0 | 10 | 2-7/8 | 7/16 | 1/2 | 7.35 | 18.2 | 2.46 | |
| 30.0 | 10 | 3 | 7/16 | 11/16 | 8.82 | 20.7 | 2.46 | |
| C12 x (12x3) |
20.7 | 12 | 3 | 1/2 | 5/16 | 6.09 | 21.5 | 2.84 |
| 25.0 | 12 | 3 | 1/2 | 3/8 | 7.35 | 24.1 | 2.86 | |
| 30.0 | 12 | 3-1/8 | 1/2 | 1/2 | 8.82 | 27.0 | 2.88 | |
| C15 x (15x3-3/8) |
33.9 | 15 | 3-3/8 | 5/8 | 3/8 | 9.96 | 42.0 | 3.45 |
| 40.0 | 15 | 3-1/2 | 5/8 | 1/2 | 11.80 | 46.5 | 3.47 | |
| 50.0 | 15 | 3-3/4 | 5/8 | 11/16 | 14.70 | 53.8 | 3.51 |
* APPROXIMATE DIMENSIONS FOR DETAILING ONLY
The rounding off of decimal dimensions to fractions can lead to an accumulation of differences. (See A.I.S.C. Manual)
** For painting and sandblasting surface area (all around) square foot of length.
Formed Channel
Please contact us.
Sizes and products are for reference only. We do not carry or supply all sizes or items shown.
Please contact us to confirm product availability.