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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Two Equal Spans » Wide Flange Steel I Beam » W10 × 17
Wide Flange Steel I Beam | Single Span | Two Equal Spans | Three Equal Spans | Four Equal Spans

For a simply supported beam in two equal spans, we compute the displacement at the middle of each span w_mid and the maximum normal stress stress_max occuring at the center support of the beam.
The tabulated data listed in this page are calculated based on the area moment of inertia (Ixx = 81.9 in4) for the W10 × 17 Wide Flange 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
L = 80 ft
L = 90 ft
L = 100 ft
   
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 4.97 × 10-6 14.2
20.0 5.84 × 10-6 16.7
30.0 8.77 × 10-6 25.0
40.0 1.17 × 10-5 33.3
50.0 1.46 × 10-5 41.7
60.0 1.75 × 10-5 50.0
70.0 2.05 × 10-5 58.3
80.0 2.34 × 10-5 66.7
90.0 2.63 × 10-5 75.0
100 2.92 × 10-5 83.3
200 5.84 × 10-5 167
300 8.77 × 10-5 250
400 1.17 × 10-4 333
500 1.46 × 10-4 417
600 1.75 × 10-4 500
700 2.05 × 10-4 583
800 2.34 × 10-4 667
900 2.63 × 10-4 750
1000 2.92 × 10-4 833
2000 5.84 × 10-4 1670
3000 8.77 × 10-4 2500
4000 0.00117 3330
5000 0.00146 4170
6000 0.00175 5000
7000 0.00205 5830
8000 0.00234 6670
9000 0.00263 7500
1.00 × 104 0.00292 8330
2.00 × 104 0.00584 1.67 × 104
3.00 × 104 0.00877 2.50 × 104
4.00 × 104 0.0117 3.33 × 104
5.00 × 104 0.0146 4.17 × 104
6.00 × 104 0.0175 5.00 × 104
7.00 × 104 0.0205 5.83 × 104
8.00 × 104 0.0234 6.67 × 104
9.00 × 104 0.0263 7.50 × 104
1.00 × 105 0.0292 8.33 × 104
2.00 × 105 0.0584 1.67 × 105
3.00 × 105 0.0877 2.50 × 105
3.56 × 105 0.104 2.97 × 105
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 3.83 × 10-5 39.3
20.0 4.51 × 10-5 46.3
30.0 6.76 × 10-5 69.4
40.0 9.02 × 10-5 92.6
50.0 1.13 × 10-4 116
60.0 1.35 × 10-4 139
70.0 1.58 × 10-4 162
80.0 1.80 × 10-4 185
90.0 2.03 × 10-4 208
100 2.25 × 10-4 231
200 4.51 × 10-4 463
300 6.76 × 10-4 694
400 9.02 × 10-4 926
500 0.00113 1160
600 0.00135 1390
700 0.00158 1620
800 0.00180 1850
900 0.00203 2080
1000 0.00225 2310
2000 0.00451 4630
3000 0.00676 6940
4000 0.00902 9260
5000 0.0113 1.16 × 104
6000 0.0135 1.39 × 104
7000 0.0158 1.62 × 104
8000 0.0180 1.85 × 104
9000 0.0203 2.08 × 104
1.00 × 104 0.0225 2.31 × 104
2.00 × 104 0.0451 4.63 × 104
3.00 × 104 0.0676 6.94 × 104
4.00 × 104 0.0902 9.26 × 104
5.00 × 104 0.113 1.16 × 105
6.00 × 104 0.135 1.39 × 105
7.00 × 104 0.158 1.62 × 105
8.00 × 104 0.180 1.85 × 105
9.00 × 104 0.203 2.08 × 105
1.00 × 105 0.225 2.31 × 105
1.28 × 105 0.289 2.97 × 105
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 6.13 × 10-4 157
20.0 7.22 × 10-4 185
30.0 0.00108 278
40.0 0.00144 370
50.0 0.00180 463
60.0 0.00216 555
70.0 0.00253 648
80.0 0.00289 741
90.0 0.00325 833
100 0.00361 926
200 0.00722 1850
300 0.0108 2780
400 0.0144 3700
500 0.0180 4630
600 0.0216 5550
700 0.0253 6480
800 0.0289 7410
900 0.0325 8330
1000 0.0361 9260
2000 0.0722 1.85 × 104
3000 0.108 2.78 × 104
4000 0.144 3.70 × 104
5000 0.180 4.63 × 104
6000 0.216 5.55 × 104
7000 0.253 6.48 × 104
8000 0.289 7.41 × 104
9000 0.325 8.33 × 104
1.00 × 104 0.361 9.26 × 104
2.00 × 104 0.722 1.85 × 105
3.00 × 104 1.08 2.78 × 105
3.21 × 104 1.16 2.97 × 105
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 0.00311 354
20.0 0.00365 417
30.0 0.00548 625
40.0 0.00731 833
50.0 0.00913 1040
60.0 0.0110 1250
70.0 0.0128 1460
80.0 0.0146 1670
90.0 0.0164 1870
100 0.0183 2080
200 0.0365 4170
300 0.0548 6250
400 0.0731 8330
500 0.0913 1.04 × 104
600 0.110 1.25 × 104
700 0.128 1.46 × 104
800 0.146 1.67 × 104
900 0.164 1.87 × 104
1000 0.183 2.08 × 104
2000 0.365 4.17 × 104
3000 0.548 6.25 × 104
4000 0.731 8.33 × 104
5000 0.913 1.04 × 105
6000 1.10 1.25 × 105
7000 1.28 1.46 × 105
8000 1.46 1.67 × 105
9000 1.64 1.87 × 105
1.00 × 104 1.83 2.08 × 105
1.43 × 104 2.60 2.97 × 105
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 0.00981 630
20.0 0.0115 741
30.0 0.0173 1110
40.0 0.0231 1480
50.0 0.0289 1850
60.0 0.0346 2220
70.0 0.0404 2590
80.0 0.0462 2960
90.0 0.0520 3330
100 0.0577 3700
200 0.115 7410
300 0.173 1.11 × 104
400 0.231 1.48 × 104
500 0.289 1.85 × 104
600 0.346 2.22 × 104
700 0.404 2.59 × 104
800 0.462 2.96 × 104
900 0.520 3.33 × 104
1000 0.577 3.70 × 104
2000 1.15 7.41 × 104
3000 1.73 1.11 × 105
4000 2.31 1.48 × 105
5000 2.89 1.85 × 105
6000 3.46 2.22 × 105
7000 4.04 2.59 × 105
8000 4.62 2.96 × 105
8020 4.63 2.97 × 105
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 0.0240 984
20.0 0.0282 1160
30.0 0.0423 1740
40.0 0.0564 2310
50.0 0.0705 2890
60.0 0.0846 3470
70.0 0.0987 4050
80.0 0.113 4630
90.0 0.127 5210
100 0.141 5790
200 0.282 1.16 × 104
300 0.423 1.74 × 104
400 0.564 2.31 × 104
500 0.705 2.89 × 104
600 0.846 3.47 × 104
700 0.987 4.05 × 104
800 1.13 4.63 × 104
900 1.27 5.21 × 104
1000 1.41 5.79 × 104
2000 2.82 1.16 × 105
3000 4.23 1.74 × 105
4000 5.64 2.31 × 105
5000 7.05 2.89 × 105
5130 7.23 2.97 × 105
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 0.0497 1420
20.0 0.0584 1670
30.0 0.0877 2500
40.0 0.117 3330
50.0 0.146 4170
60.0 0.175 5000
70.0 0.205 5830
80.0 0.234 6670
90.0 0.263 7500
100 0.292 8330
200 0.584 1.67 × 104
300 0.877 2.50 × 104
400 1.17 3.33 × 104
500 1.46 4.17 × 104
600 1.75 5.00 × 104
700 2.05 5.83 × 104
800 2.34 6.67 × 104
900 2.63 7.50 × 104
1000 2.92 8.33 × 104
2000 5.84 1.67 × 105
3000 8.77 2.50 × 105
3560 10.4 2.97 × 105
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 0.157 2520
20.0 0.185 2960
30.0 0.277 4440
40.0 0.369 5930
50.0 0.462 7410
60.0 0.554 8890
70.0 0.647 1.04 × 104
80.0 0.739 1.19 × 104
90.0 0.831 1.33 × 104
100 0.924 1.48 × 104
200 1.85 2.96 × 104
300 2.77 4.44 × 104
400 3.69 5.93 × 104
500 4.62 7.41 × 104
600 5.54 8.89 × 104
700 6.47 1.04 × 105
800 7.39 1.19 × 105
900 8.31 1.33 × 105
1000 9.24 1.48 × 105
1090 10.1 1.62 × 105
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 0.383 3930
20.0 0.451 4630
30.0 0.676 6940
40.0 0.902 9260
50.0 1.13 1.16 × 104
60.0 1.35 1.39 × 104
70.0 1.58 1.62 × 104
80.0 1.80 1.85 × 104
90.0 2.03 2.08 × 104
100 2.25 2.31 × 104
200 4.51 4.63 × 104
300 6.76 6.94 × 104
400 9.02 9.26 × 104
448 10.1 1.04 × 105
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 0.795 5670
20.0 0.935 6670
30.0 1.40 10000
40.0 1.87 1.33 × 104
50.0 2.34 1.67 × 104
60.0 2.81 2.00 × 104
70.0 3.27 2.33 × 104
80.0 3.74 2.67 × 104
90.0 4.21 3.00 × 104
100 4.68 3.33 × 104
200 9.35 6.67 × 104
216 10.1 7.21 × 104
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 1.47 7710
20.0 1.73 9070
30.0 2.60 1.36 × 104
40.0 3.47 1.81 × 104
50.0 4.33 2.27 × 104
60.0 5.20 2.72 × 104
70.0 6.06 3.18 × 104
80.0 6.93 3.63 × 104
90.0 7.80 4.08 × 104
100 8.66 4.54 × 104
117 10.1 5.29 × 104
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 2.51 1.01 × 104
20.0 2.96 1.19 × 104
30.0 4.43 1.78 × 104
40.0 5.91 2.37 × 104
50.0 7.39 2.96 × 104
60.0 8.87 3.56 × 104
68.4 10.1 4.05 × 104
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 4.02 1.27 × 104
20.0 4.73 1.50 × 104
30.0 7.10 2.25 × 104
40.0 9.47 3.00 × 104
42.7 10.1 3.20 × 104
Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft)
L = 100 ft
P (lbf/ft) w_max (in) stress_max (psi)
17.0 6.13 1.57 × 104
20.0 7.22 1.85 × 104
28.0 10.1 2.59 × 104
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