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S Section Steel I Beam: S8 × 23
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » S Section Steel I Beam » S8 × 23
S Section Steel I Beam | Single Span | Two Equal Spans | Three Equal Spans | Four Equal Spans

For a simply supported beam in a single span, the maximum displacement w_max and the maximum normal stress stress_max occur at the center of the beam.
The tabulated data listed in this page are calculated based on the area moment of inertia (Ixx = 64.9 in4) for the S8 × 23 S Section Steel I Beam and the typical Young's modulus (E = 3.046 × 107 psi) of steels. Note that the typical yielding stress Yield of steels can range from 1.015 × 104 to 2.970 × 105 psi. The purpose of this page is to give a rough estimation of the load-bearing capacity of this particular beam, rather than a guideline for designing actual building structures. Please check your local building codes for regulatory requirements.

Note: The weight of the beam itself is not included in the calculation.
L = 3 ft
L = 5 ft
L = 10 ft
L = 15 ft
L = 20 ft
L = 25 ft
L = 30 ft
L = 40 ft
L = 50 ft
L = 60 ft
L = 70 ft
   
Steel I Beam: S8 × 23 (S Section 8 inch tall × 23 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
23.0 2.12 × 10-5 19.1
30.0 2.77 × 10-5 25.0
40.0 3.69 × 10-5 33.3
50.0 4.61 × 10-5 41.6
60.0 5.53 × 10-5 49.9
70.0 6.45 × 10-5 58.2
80.0 7.38 × 10-5 66.6
90.0 8.30 × 10-5 74.9
100 9.22 × 10-5 83.2
200 1.84 × 10-4 166
300 2.77 × 10-4 250
400 3.69 × 10-4 333
500 4.61 × 10-4 416
600 5.53 × 10-4 499
700 6.45 × 10-4 582
800 7.38 × 10-4 666
900 8.30 × 10-4 749
1000 9.22 × 10-4 832
2000 0.00184 1660
3000 0.00277 2500
4000 0.00369 3330
5000 0.00461 4160
6000 0.00553 4990
7000 0.00645 5820
8000 0.00738 6660
9000 0.00830 7490
1.00 × 104 0.00922 8320
2.00 × 104 0.0184 1.66 × 104
3.00 × 104 0.0277 2.50 × 104
4.00 × 104 0.0369 3.33 × 104
5.00 × 104 0.0461 4.16 × 104
6.00 × 104 0.0553 4.99 × 104
7.00 × 104 0.0645 5.82 × 104
8.00 × 104 0.0738 6.66 × 104
9.00 × 104 0.0830 7.49 × 104
1.00 × 105 0.0922 8.32 × 104
2.00 × 105 0.184 1.66 × 105
3.00 × 105 0.277 2.50 × 105
3.57 × 105 0.329 2.97 × 105
Steel I Beam: S8 × 23 (S Section 8 inch tall × 23 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
23.0 1.64 × 10-4 53.2
30.0 2.13 × 10-4 69.3
40.0 2.85 × 10-4 92.4
50.0 3.56 × 10-4 116
60.0 4.27 × 10-4 139
70.0 4.98 × 10-4 162
80.0 5.69 × 10-4 185
90.0 6.40 × 10-4 208
100 7.11 × 10-4 231
200 0.00142 462
300 0.00213 693
400 0.00285 924
500 0.00356 1160
600 0.00427 1390
700 0.00498 1620
800 0.00569 1850
900 0.00640 2080
1000 0.00711 2310
2000 0.0142 4620
3000 0.0213 6930
4000 0.0285 9240
5000 0.0356 1.16 × 104
6000 0.0427 1.39 × 104
7000 0.0498 1.62 × 104
8000 0.0569 1.85 × 104
9000 0.0640 2.08 × 104
1.00 × 104 0.0711 2.31 × 104
2.00 × 104 0.142 4.62 × 104
3.00 × 104 0.213 6.93 × 104
4.00 × 104 0.285 9.24 × 104
5.00 × 104 0.356 1.16 × 105
6.00 × 104 0.427 1.39 × 105
7.00 × 104 0.498 1.62 × 105
8.00 × 104 0.569 1.85 × 105
9.00 × 104 0.640 2.08 × 105
1.00 × 105 0.711 2.31 × 105
1.29 × 105 0.914 2.97 × 105
Steel I Beam: S8 × 23 (S Section 8 inch tall × 23 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
23.0 0.00262 213
30.0 0.00341 277
40.0 0.00455 370
50.0 0.00569 462
60.0 0.00683 555
70.0 0.00797 647
80.0 0.00911 740
90.0 0.0102 832
100 0.0114 924
200 0.0228 1850
300 0.0341 2770
400 0.0455 3700
500 0.0569 4620
600 0.0683 5550
700 0.0797 6470
800 0.0911 7400
900 0.102 8320
1000 0.114 9240
2000 0.228 1.85 × 104
3000 0.341 2.77 × 104
4000 0.455 3.70 × 104
5000 0.569 4.62 × 104
6000 0.683 5.55 × 104
7000 0.797 6.47 × 104
8000 0.911 7.40 × 104
9000 1.02 8.32 × 104
1.00 × 104 1.14 9.24 × 104
2.00 × 104 2.28 1.85 × 105
3.00 × 104 3.41 2.77 × 105
3.21 × 104 3.66 2.97 × 105
Steel I Beam: S8 × 23 (S Section 8 inch tall × 23 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
23.0 0.0133 478
30.0 0.0173 624
40.0 0.0230 832
50.0 0.0288 1040
60.0 0.0346 1250
70.0 0.0403 1460
80.0 0.0461 1660
90.0 0.0519 1870
100 0.0576 2080
200 0.115 4160
300 0.173 6240
400 0.230 8320
500 0.288 1.04 × 104
600 0.346 1.25 × 104
700 0.403 1.46 × 104
800 0.461 1.66 × 104
900 0.519 1.87 × 104
1000 0.576 2.08 × 104
2000 1.15 4.16 × 104
3000 1.73 6.24 × 104
4000 2.30 8.32 × 104
5000 2.88 1.04 × 105
6000 3.46 1.25 × 105
7000 4.03 1.46 × 105
8000 4.61 1.66 × 105
9000 5.19 1.87 × 105
1.00 × 104 5.76 2.08 × 105
1.43 × 104 8.23 2.97 × 105
Steel I Beam: S8 × 23 (S Section 8 inch tall × 23 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
23.0 0.0419 851
30.0 0.0546 1110
40.0 0.0728 1480
50.0 0.0911 1850
60.0 0.109 2220
70.0 0.127 2590
80.0 0.146 2960
90.0 0.164 3330
100 0.182 3700
200 0.364 7400
300 0.546 1.11 × 104
400 0.728 1.48 × 104
500 0.911 1.85 × 104
600 1.09 2.22 × 104
700 1.27 2.59 × 104
800 1.46 2.96 × 104
900 1.64 3.33 × 104
1000 1.82 3.70 × 104
2000 3.64 7.40 × 104
3000 5.46 1.11 × 105
4000 7.28 1.48 × 105
4390 8.00 1.62 × 105
Steel I Beam: S8 × 23 (S Section 8 inch tall × 23 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
23.0 0.102 1330
30.0 0.133 1730
40.0 0.178 2310
50.0 0.222 2890
60.0 0.267 3470
70.0 0.311 4040
80.0 0.356 4620
90.0 0.400 5200
100 0.445 5780
200 0.889 1.16 × 104
300 1.33 1.73 × 104
400 1.78 2.31 × 104
500 2.22 2.89 × 104
600 2.67 3.47 × 104
700 3.11 4.04 × 104
800 3.56 4.62 × 104
900 4.00 5.20 × 104
1000 4.45 5.78 × 104
1800 8.00 1.04 × 105
Steel I Beam: S8 × 23 (S Section 8 inch tall × 23 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
23.0 0.212 1910
30.0 0.277 2500
40.0 0.369 3330
50.0 0.461 4160
60.0 0.553 4990
70.0 0.645 5820
80.0 0.738 6660
90.0 0.830 7490
100 0.922 8320
200 1.84 1.66 × 104
300 2.77 2.50 × 104
400 3.69 3.33 × 104
500 4.61 4.16 × 104
600 5.53 4.99 × 104
700 6.45 5.82 × 104
800 7.38 6.66 × 104
868 8.00 7.22 × 104
Steel I Beam: S8 × 23 (S Section 8 inch tall × 23 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
23.0 0.670 3400
30.0 0.874 4440
40.0 1.17 5920
50.0 1.46 7400
60.0 1.75 8880
70.0 2.04 1.04 × 104
80.0 2.33 1.18 × 104
90.0 2.62 1.33 × 104
100 2.91 1.48 × 104
200 5.83 2.96 × 104
275 8.00 4.06 × 104
Steel I Beam: S8 × 23 (S Section 8 inch tall × 23 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
23.0 1.64 5320
30.0 2.13 6930
40.0 2.85 9240
50.0 3.56 1.16 × 104
60.0 4.27 1.39 × 104
70.0 4.98 1.62 × 104
80.0 5.69 1.85 × 104
90.0 6.40 2.08 × 104
100 7.11 2.31 × 104
112 8.00 2.60 × 104
Steel I Beam: S8 × 23 (S Section 8 inch tall × 23 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
23.0 3.39 7650
30.0 4.43 9980
40.0 5.90 1.33 × 104
50.0 7.38 1.66 × 104
54.2 8.00 1.80 × 104
Steel I Beam: S8 × 23 (S Section 8 inch tall × 23 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
23.0 6.29 1.04 × 104
29.3 8.00 1.33 × 104
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