C Shapes - American standard channels

Welcome to our C shapes free CAD downloads page! Here you'll find all American Standard Channel shapes described by the AISC Steel shapes database (V14.1). Sort the table below according to any property and select a CAD file to download using the reference links in the left-most column. You can also purchase all our CAD data in one easy download, containing the shapes as individual files and AutoCAD Design Center files - just click on the Shop button in the navigation above.

Imperial Reference Metric Reference Nominal Weight Depth of Section Width of Section Web Thickness Flange Thickness K Dimension
(Click on link to download)   lb/ft (kg/m) d
in (mm)
b
in (mm)
tw
in (mm)
tf
in (mm)
k
in (mm)
C 15x50 C 380x74 50.0 (74.0) 15.0 (381) 3.72 (94.5) 0.716 (18.2) 0.650 (16.5) 1.438 (36.5)
C 15x40 C 380x60 40.0 (60.0) 15.0 (381) 3.52 (89.4) 0.520 (13.2) 0.650 (16.5) 1.438 (36.5)
C 15x33.9 C 380x50.4 33.9 (50.4) 15.0 (381) 3.40 (86.4) 0.400 (10.2) 0.650 (16.5) 1.438 (36.5)
C 12x30 C 310x45 30.0 (45.0) 12.0 (305) 3.17 (80.5) 0.510 (13.0) 0.501 (12.7) 1.125 (28.6)
C 12x25 C 310x37 25.0 (37.0) 12.0 (305) 3.05 (77.5) 0.387 (9.83) 0.501 (12.7) 1.125 (28.6)
C 12x20.7 C 310x30.8 20.7 (30.8) 12.0 (305) 2.94 (74.7) 0.282 (7.16) 0.501 (12.7) 1.125 (28.6)
C 10x30 C 250x45 30.0 (45.0) 10.0 (254) 3.03 (77.0) 0.673 (17.1) 0.436 (11.1) 1.000 (25.4)
C 10x25 C 250x37 25.0 (37.0) 10.0 (254) 2.89 (73.4) 0.526 (13.4) 0.436 (11.1) 1.000 (25.4)
C 10x20 C 250x30 20.0 (30.0) 10.0 (254) 2.74 (69.6) 0.379 (9.63) 0.436 (11.1) 1.000 (25.4)
C 10x15.3 C 250x22.8 15.3 (22.8) 10.0 (254) 2.60 (66.0) 0.240 (6.10) 0.436 (11.1) 1.000 (25.4)
C 9x20 C 230x30 20.0 (30.0) 9.00 (229) 2.65 (67.3) 0.448 (11.4) 0.413 (10.5) 1.000 (25.4)
C 9x15 C 230x22 15.0 (22.0) 9.00 (229) 2.49 (63.2) 0.285 (7.24) 0.413 (10.5) 1.000 (25.4)
C 9x13.4 C 230x19.9 13.4 (19.9) 9.00 (229) 2.43 (61.7) 0.233 (5.92) 0.413 (10.5) 1.000 (25.4)
C 8x18.75 C 200x27.9 18.75 (27.9) 8.00 (203) 2.53 (64.3) 0.487 (12.4) 0.390 (9.91) 0.938 (23.8)
C 8x13.75 C 200x20.5 13.75 (20.5) 8.00 (203) 2.34 (59.4) 0.303 (7.70) 0.390 (9.91) 0.938 (23.8)
C 8x11.5 C 200x17.1 11.5 (17.1) 8.00 (203) 2.26 (57.4) 0.220 (5.59) 0.390 (9.91) 0.938 (23.8)
C 7x14.75 C 180x22 14.75 (22.0) 7.00 (178) 2.30 (58.4) 0.419 (10.6) 0.366 (9.30) 0.875 (22.2)
C 7x12.25 C 180x18.2 12.25 (18.2) 7.00 (178) 2.19 (55.6) 0.314 (7.98) 0.366 (9.30) 0.875 (22.2)
C 7x9.8 C 180x14.6 9.80 (14.6) 7.00 (178) 2.09 (53.1) 0.210 (5.33) 0.366 (9.30) 0.875 (22.2)
C 6x13 C 150x19.3 13.0 (19.3) 6.00 (152) 2.16 (54.9) 0.437 (11.1) 0.343 (8.71) 0.813 (20.6)
C 6x10.5 C 150x15.6 10.5 (15.6) 6.00 (152) 2.03 (51.6) 0.314 (7.98) 0.343 (8.71) 0.813 (20.6)
C 6x8.2 C 150x12.2 8.20 (12.2) 6.00 (152) 1.92 (48.8) 0.200 (5.08) 0.343 (8.71) 0.813 (20.6)
C 5x9 C 130x13 9.00 (13.0) 5.00 (127) 1.89 (48.0) 0.325 (8.26) 0.320 (8.13) 0.750 (19.1)
C 5x6.7 C 130x10.4 6.70 (10.4) 5.00 (127) 1.75 (44.5) 0.190 (4.83) 0.320 (8.13) 0.750 (19.1)
C 4x7.25 C 100x10.8 7.25 (10.8) 4.00 (102) 1.72 (43.7) 0.321 (8.15) 0.296 (7.52) 0.750 (19.1)
C 4x6.25 C 100x9.3 6.25 (9.3) 4.00 (102) 1.65 (41.91) 0.247 (6.27) 0.272 (6.91) 0.750 (19.1)
C 4x5.4 C 100x8 5.40 (8.00) 4.00 (102) 1.58 (40.1) 0.184 (4.67) 0.296 (7.52) 0.750 (19.1)
C 4x4.5 C 100x6.7 4.50 (6.70) 4.00 (102) 1.58 (40.1) 0.125 (3.18) 0.296 (7.52) 0.750 (19.1)
C 3x6 C 75x8.9 6.00 (8.90) 3.00 (76.2) 1.60 (40.6) 0.356 (9.04) 0.273 (6.93) 0.688 (17.5)
C 3x5 C 75x7.4 5.00 (7.40) 3.00 (76.2) 1.50 (38.1) 0.258 (6.55) 0.273 (6.93) 0.688 (17.5)
C 3x4.1 C 75x6.1 4.10 (6.10) 3.00 (76.2) 1.41 (35.8) 0.170 (4.32) 0.273 (6.93) 0.688 (17.5)
C 3x3.5 C 75x5.2 3.50 (5.20) 3.00 (76.2) 1.37 (34.8) 0.132 (3.35) 0.273 (6.93) 0.688 (17.5)