Structural Shapes
Channel - Ship
Channel, ship and car building
MC - Misc. shapes. ASTMA-36
| 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) |
|---|---|---|---|---|---|---|---|---|
| MC3 x (3x1-15/16) |
7.1 | *3 | 2 | 3/8 | 5/16 | 2.09 | 1.82 | 1.09 |
| 9.0 | 3 | 2-1/8 | 3/8 | 1/2 | 2.65 | 2.10 | 1.13 | |
| MC4 x (4x2-1/2) |
13.8 | 4 | 2-1/2 | 1/2 | 1/2 | 4.06 | 4.46 | 1.42 |
| MC6 x (6x2-1/2) |
12.0 | 6 | 2-1/2 | 3/8 | 5/16 | 3.53 | 6.24 | 1.73 |
| MC6 x (6x3) |
15.1 | 6 | 3 | 1/2 | 5/16 | 4.44 | 8.32 | 1.86 |
| 18.0 | 6 | 3 | 1/2 | 3/8 | 4.79 | 8.68 | 1.87 | |
| MC6 x (6x3-1/2) |
15.3 | 6 | 3-1/2 | 3/8 | 5/16 | 4.50 | 8.47 | 2.05 |
| 18.0 | 6 | 3-1/2 | 1/2 | 3/8 | 5.29 | 9.91 | 2.03 | |
| MC7 x (7x3) |
17.6 | 7 | 3 | 1/2 | 3/8 | 5.17 | 10.80 | 2.10 |
| MC7 x (7x3-1/2) |
19.1 | 7 | 3-1/2 | 1/2 | 3/8 | 5.61 | 12.30 | 2.18 |
| 22.7 | 7 | 3-5/8 | 1/2 | 1/2 | 6.67 | 13.60 | 2.21 | |
| MC8 x (8x3) |
18.7 | 8 | 3 | 1/2 | 3/8 | 5.50 | 13.10 | 2.20 |
| 20.0 | 8 | 3 | 1/2 | 3/8 | 5.88 | 13.60 | 2.20 | |
| MC8 x (8x3-1/2) |
21.4 | 8 | 3-1/2 | 1/2 | 3/8 | 6.28 | 15.4 | 2.34 |
| 22.8 | 8 | 3-1/2 | 1/2 | 7/16 | 6.70 | 16.0 | 2.35 | |
| MC9 x (9x3-1/2) |
23.9 | 9 | 3-1/2 | 9/16 | 3/8 | 7.02 | 18.9 | 2.51 |
| 25.4 | 9 | 3-1/2 | 9/16 | 7/16 | 7.47 | 19.6 | 2.51 | |
| MC10 x (10x3-1/2) |
22 | 10 | 3-3/8 | 9/16 | 5/16 | 6.45 | 20.5 | 2.69 |
| 25 | 10 | 3-3/8 | 9/16 | 3/8 | 7.35 | 22.0 | 2.66 | |
| MC10 x (10x4) |
28.5 | 10 | 4 | 9/16 | 7/16 | 8.37 | 25.3 | 2.83 |
| 33.6 | 10 | 4-1/8 | 9/16 | 9/16 | 9.87 | 27.8 | 2.85 | |
| 41.1 | 10 | 4-3/8 | 13/16 | 9/16 | 12.1 | 31.5 | ||
| MC12 x (12x3-1/2) |
31 | 12 | 3-5/8 | 11/16 | 3/8 | 9.12 | 33.8 | 3.02 |
| MC12 x (12x4) |
35.0 | 12 | 3-3/4 | 11/16 | 7/16 | 10.30 | 36.1 | 3.11 |
| 40.0 | 12 | 3-7/8 | 11/16 | 9/16 | 11.80 | 39.0 | 3.13 | |
| 45.0 | 12 | 4 | 11/16 | 11/16 | 13.20 | 42.0 | 3.15 | |
| 50.0 | 12 | 4-1/8 | 11/16 | 13/16 | 14.70 | 44.9 | 3.17 | |
| MC13 x (13x4) |
31.8 | 13 | 4 | 5/8 | 3/8 | 9.35 | 36.8 | 3.32 |
| 35.0 | 13 | 4-1/8 | 5/8 | 7/16 | 10.30 | 38.8 | 3.33 | |
| 40.0 | 13 | 4-1/8 | 5/8 | 9/16 | 11.80 | 42.0 | 3.35 | |
| 50.0 | 13 | 4-3/8 | 5/8 | 13/16 | 14.70 | 48.4 | 3.39 | |
| MC18 x (18x4) |
42.7 | 18 | 4 | 5/8 | 7/16 | 12.60 | 61.6 | 3.33 |
| 45.8 | 18 | 4 | 5/8 | 1/2 | 13.50 | 64.3 | 3.33 | |
| 51.9 | 18 | 4-1/8 | 5/8 | 5/8 | 15.30 | 69.7 | 3.34 | |
| 58.0 | 18 | 4-1/8 | 5/8 | 11/16 | 17.10 | 75.1 | 3.35 |
*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.