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 here to visit our Shop.

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 24x121S 610x180121 (180)24.5 (622)8.05 (204)0.800 (20.3)1.09 (27.7)2.00 (50.8)
S 24x106S 610x158106 (158)24.5 (622)7.87 (200)0.620 (15.7)1.09 (27.7)2.00 (50.8)
S 24x100S 610x149100 (149)24.0 (610)7.25 (184)0.745 (18.9)0.870 (22.1)1.75 (44.5)
S 24x90S 610x13490.0 (134)24.0 (610)7.13 (181)0.625 (15.9)0.870 (22.1)1.75 (44.5)
S 24x80S 610x11980.0 (119)24.0 (610)7.00 (178)0.500 (12.7)0.870 (22.1)1.75 (44.5)
S 20x96S 510x14396.0 (143)20.3 (516)7.20 (183)0.800 (20.3)0.920 (23.4)1.75 (44.5)
S 20x86S 510x12886.0 (128)20.3 (516)7.06 (179)0.660 (16.8)0.920 (23.4)1.75 (44.5)
S 20x75S 510x11275.0 (112)20.0 (508)6.39 (162)0.635 (16.1)0.795 (20.2)1.63 (41.4)
S 20x66S 510x98.266.0 (98.2)20.0 (508)6.26 (159)0.505 (12.8)0.795 (20.2)1.63 (41.4)
S 18x70S 460x10470.0 (104)18.0 (457)6.25 (159)0.711 (18.1)0.691 (17.6)1.50 (38.1)
S 18x54.7S 460x81.454.7 (81.4)18.0 (457)6.00 (152)0.461 (11.7)0.691 (17.6)1.50 (38.1)
S 15x50S 380x7450.0 (74.0)15.0 (381)5.64 (143)0.550 (14.0)0.622 (15.8)1.38 (35.1)
S 15x42.9S 380x6442.9 (64.0)15.0 (381)5.50 (140)0.411 (10.4)0.622 (15.8)1.38 (35.1)
S 12x50S 310x7450.0 (74.0)12.0 (305)5.48 (139)0.687 (17.4)0.659 (16.7)1.44 (36.6)
S 12x40.8S 310x60.740.8 (60.7)12.0 (305)5.25 (133)0.462 (11.7)0.659 (16.7)1.44 (36.6)
S 12x35S 310x5235.0 (52.0)12.0 (305)5.08 (129)0.428 (10.9)0.544 (13.8)1.19 (30.2)
S 12x31.8S 310x47.331.8 (47.3)12.0 (305)5.00 (127)0.350 (8.89)0.544 (13.8)1.19 (30.2)
S 10x35S 250x5235.0 (52.0)10.0 (254)4.94 (125)0.594 (15.1)0.491 (12.5)1.13 (28.7)
S 10x25.4S 250x37.825.4 (37.8)10.0 (254)4.66 (118)0.311 (7.90)0.491 (12.5)1.13 (28.7)
S 8x23S 200x3423.0 (34.0)8.00 (203)4.17 (106)0.441 (11.2)0.425 (10.8)1.00 (25.4)
S 8x18.4S 200x27.418.4 (27.4)8.00 (203)4.00 (102)0.271 (6.88)0.425 (10.8)1.00 (25.4)
S 6x17.25S 150x25.717.25 (25.7)6.00 (152)3.57 (90.7)0.465 (11.8)0.359 (9.12)0.813 (20.7)
S 6x12.5S 150x18.612.5 (18.6)6.00 (152)3.33 (84.6)0.232 (5.89)0.359 (9.12)0.813 (20.7)
S 5x10S 130x1510.0 (15.0)5.00 (127)3.00 (76.2)0.214 (5.44)0.326 (8.28)0.750 (19.1)
S 4x9.5S 100x14.19.50 (14.1)4.00 (102)2.80 (71.1)0.326 (8.28)0.293 (7.44)0.750 (19.1)
S 4x7.7S 100x11.57.70 (11.5)4.00 (102)2.66 (67.6)0.193 (4.90)0.293 (7.44)0.750 (19.1)
S 3x7.5S 75x11.27.50 (11.2)3.00 (76.2)2.51 (63.8)0.349 (8.86)0.260 (6.60)0.625 (15.9)
S 3x5.7S 75x8.55.70 (8.50)3.00 (76.2)2.33 (59.2)0.170 (4.32)0.260 (6.60)0.625 (15.9)