S Shapes - American standard beams

Welcome to our S shapes free CAD downloads page! Here you'll find all American Standard Beam 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)
S 24x121 S 610x180 121 (180) 24.5 (622) 8.05 (204) 0.800 (20.3) 1.09 (27.7) 2.00 (50.8)
S 24x106 S 610x158 106 (158) 24.5 (622) 7.87 (200) 0.620 (15.7) 1.09 (27.7) 2.00 (50.8)
S 24x100 S 610x149 100 (149) 24.0 (610) 7.25 (184) 0.745 (18.9) 0.870 (22.1) 1.75 (44.5)
S 24x90 S 610x134 90.0 (134) 24.0 (610) 7.13 (181) 0.625 (15.9) 0.870 (22.1) 1.75 (44.5)
S 24x80 S 610x119 80.0 (119) 24.0 (610) 7.00 (178) 0.500 (12.7) 0.870 (22.1) 1.75 (44.5)
S 20x96 S 510x143 96.0 (143) 20.3 (516) 7.20 (183) 0.800 (20.3) 0.920 (23.4) 1.75 (44.5)
S 20x86 S 510x128 86.0 (128) 20.3 (516) 7.06 (179) 0.660 (16.8) 0.920 (23.4) 1.75 (44.5)
S 20x75 S 510x112 75.0 (112) 20.0 (508) 6.39 (162) 0.635 (16.1) 0.795 (20.2) 1.63 (41.4)
S 20x66 S 510x98.2 66.0 (98.2) 20.0 (508) 6.26 (159) 0.505 (12.8) 0.795 (20.2) 1.63 (41.4)
S 18x70 S 460x104 70.0 (104) 18.0 (457) 6.25 (159) 0.711 (18.1) 0.691 (17.6) 1.50 (38.1)
S 18x54.7 S 460x81.4 54.7 (81.4) 18.0 (457) 6.00 (152) 0.461 (11.7) 0.691 (17.6) 1.50 (38.1)
S 15x50 S 380x74 50.0 (74.0) 15.0 (381) 5.64 (143) 0.550 (14.0) 0.622 (15.8) 1.38 (35.1)
S 15x42.9 S 380x64 42.9 (64.0) 15.0 (381) 5.50 (140) 0.411 (10.4) 0.622 (15.8) 1.38 (35.1)
S 12x50 S 310x74 50.0 (74.0) 12.0 (305) 5.48 (139) 0.687 (17.4) 0.659 (16.7) 1.44 (36.6)
S 12x40.8 S 310x60.7 40.8 (60.7) 12.0 (305) 5.25 (133) 0.462 (11.7) 0.659 (16.7) 1.44 (36.6)
S 12x35 S 310x52 35.0 (52.0) 12.0 (305) 5.08 (129) 0.428 (10.9) 0.544 (13.8) 1.19 (30.2)
S 12x31.8 S 310x47.3 31.8 (47.3) 12.0 (305) 5.00 (127) 0.350 (8.89) 0.544 (13.8) 1.19 (30.2)
S 10x35 S 250x52 35.0 (52.0) 10.0 (254) 4.94 (125) 0.594 (15.1) 0.491 (12.5) 1.13 (28.7)
S 10x25.4 S 250x37.8 25.4 (37.8) 10.0 (254) 4.66 (118) 0.311 (7.90) 0.491 (12.5) 1.13 (28.7)
S 8x23 S 200x34 23.0 (34.0) 8.00 (203) 4.17 (106) 0.441 (11.2) 0.425 (10.8) 1.00 (25.4)
S 8x18.4 S 200x27.4 18.4 (27.4) 8.00 (203) 4.00 (102) 0.271 (6.88) 0.425 (10.8) 1.00 (25.4)
S 6x17.25 S 150x25.7 17.25 (25.7) 6.00 (152) 3.57 (90.7) 0.465 (11.8) 0.359 (9.12) 0.813 (20.7)
S 6x12.5 S 150x18.6 12.5 (18.6) 6.00 (152) 3.33 (84.6) 0.232 (5.89) 0.359 (9.12) 0.813 (20.7)
S 5x10 S 130x15 10.0 (15.0) 5.00 (127) 3.00 (76.2) 0.214 (5.44) 0.326 (8.28) 0.750 (19.1)
S 4x9.5 S 100x14.1 9.50 (14.1) 4.00 (102) 2.80 (71.1) 0.326 (8.28) 0.293 (7.44) 0.750 (19.1)
S 4x7.7 S 100x11.5 7.70 (11.5) 4.00 (102) 2.66 (67.6) 0.193 (4.90) 0.293 (7.44) 0.750 (19.1)
S 3x7.5 S 75x11.2 7.50 (11.2) 3.00 (76.2) 2.51 (63.8) 0.349 (8.86) 0.260 (6.60) 0.625 (15.9)
S 3x5.7 S 75x8.5 5.70 (8.50) 3.00 (76.2) 2.33 (59.2) 0.170 (4.32) 0.260 (6.60) 0.625 (15.9)