engineering fundamentals Steel S Section I-Beams
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Steel S Section I-Beams
 
in × lbf/ft Area
(in2) 		d
(in) 		bf
(in) 		tf
(in) 		tw
(in) 		Ixx
(in4) 		Zxx
(in3) 		kxx
(in) 		Iyy
(in4) 		Zyy
(in3) 		kyy
(in)
S24 × 121 35.6 24.50 8.050 1.090 0.800 3160 258 9.43 83.3 20.7 1.53
S24 × 106 31.2 24.50 7.870 1.090 0.620 2940 240 9.71 77.1 19.6 1.57
S24 × 100 29.3 24.00 7.245 0.870 0.745 2390 199 9.02 47.7 13.2 1.27
S24 × 90 26.5 24.00 7.125 0.870 0.625 2250 187 9.21 44.9 12.6 1.30
S24 × 80 23.5 24.00 7.000 0.870 0.500 2100 175 9.47 42.2 12.1 1.34
S20 × 96 28.2 20.30 7.200 0.920 0.800 1670 165 7.71 50.2 13.9 1.33
S20 × 86 25.3 20.30 7.060 0.920 0.660 1580 155 7.89 46.8 13.3 1.36
S20 × 75 22.0 20.00 6.385 0.795 0.635 1280 128 7.62 29.8 9.32 1.16
S20 × 66 19.4 20.00 6.255 0.795 0.505 1190 119 7.83 27.7 8.85 1.19
S18 × 70 20.6 18.00 6.251 0.691 0.711 926 103 6.71 24.1 7.72 1.08
S18 × 54.7 16.1 18.00 6.001 0.691 0.461 804 89.4 7.07 20.8 6.94 1.14
S15 × 50 14.7 15.00 5.640 0.622 0.550 486 64.8 5.75 15.7 5.57 1.03
S15 × 42.9 12.6 15.00 5.501 0.622 0.411 447 59.6 5.95 14.4 5.23 1.07
S12 × 50 14.7 12.00 5.477 0.659 0.687 305 50.8 4.55 15.7 5.74 1.03
S12 × 40.8 12.0 12.00 5.252 0.659 0.462 272 45.4 4.77 13.6 5.16 1.06
S12 × 35 10.3 12.00 5.078 0.544 0.428 229 38.2 4.72 9.87 3.89 0.980
S12 × 31.8 9.4 12.00 5.000 0.544 0.350 218 36.4 4.83 9.36 3.74 1.00
S10 × 35 10.3 10.00 4.944 0.491 0.594 147 29.4 3.78 8.36 3.38 0.901
S10 × 25.4 7.46 10.00 4.661 0.491 0.311 124 24.7 4.07 6.79 2.91 0.954
S8 × 23 6.77 8.00 4.171 0.426 0.441 64.9 16.2 3.10 4.31 2.07 0.798
S8 × 18.4 5.41 8.00 4.001 0.426 0.271 57.6 14.4 3.26 3.73 1.86 0.831
S7 × 20 5.88 7.00 3.860 0.392 0.450 42.4 12.1 2.69 3.17 1.64 0.734
S7 × 15.3 4.50 7.00 3.662 0.392 0.252 36.7 10.5 2.86 2.64 1.44 0.766
S6 × 17.25 5.07 6.00 3.565 0.359 0.465 26.3 8.77 2.28 2.31 1.30 0.675
S6 × 12.5 3.67 6.00 3.332 0.359 0.232 22.1 7.37 2.45 1.82 1.09 0.705
S5 × 14.75 4.34 5.00 3.284 0.326 0.494 15.2 6.09 1.87 1.67 1.01 0.620
S5 × 10 2.94 5.00 3.004 0.326 0.214 12.3 4.92 2.05 1.22 0.809 0.643
S4 × 9.5 2.79 4.00 2.796 0.293 0.326 6.79 3.39 1.56 0.903 0.646 0.569
S4 × 7.7 2.26 4.00 2.663 0.293 0.193 6.08 3.04 1.64 0.764 0.574 0.581
S3 × 7.5 2.21 3.00 2.509 0.260 0.349 2.93 1.95 1.15 0.586 0.468 0.516
S3 × 5.7 1.67 3.00 2.330 0.260 0.170 2.52 1.68 1.23 0.455 0.390 0.522
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