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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Four 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 four equal spans, we compute the displacement at the middle of the first and fourth spans, and the maximum normal stress occuring at the second and fourth supports 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 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.

 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 3.00 ft (lbf/ft) (in) (psi) 17.0 6.01 × 10-6 12.1 20.0 7.07 × 10-6 14.3 30.0 1.06 × 10-5 21.4 40.0 1.41 × 10-5 28.6 50.0 1.77 × 10-5 35.7 60.0 2.12 × 10-5 42.8 70.0 2.47 × 10-5 50.0 80.0 2.83 × 10-5 57.1 90.0 3.18 × 10-5 64.3 100 3.53 × 10-5 71.4 200 7.07 × 10-5 143 300 1.06 × 10-4 214 400 1.41 × 10-4 286 500 1.77 × 10-4 357 600 2.12 × 10-4 428 700 2.47 × 10-4 500 800 2.83 × 10-4 571 900 3.18 × 10-4 643 1000 3.53 × 10-4 714 2000 7.07 × 10-4 1430 3000 0.00106 2140 4000 0.00141 2860 5000 0.00177 3570 6000 0.00212 4280 7000 0.00247 5000 8000 0.00283 5710 9000 0.00318 6430 1.00 × 104 0.00353 7140 2.00 × 104 0.00707 1.43 × 104 3.00 × 104 0.0106 2.14 × 104 4.00 × 104 0.0141 2.86 × 104 5.00 × 104 0.0177 3.57 × 104 6.00 × 104 0.0212 4.28 × 104 7.00 × 104 0.0247 5.00 × 104 8.00 × 104 0.0283 5.71 × 104 9.00 × 104 0.0318 6.43 × 104 1.00 × 105 0.0353 7.14 × 104 2.00 × 105 0.0707 1.43 × 105 3.00 × 105 0.106 2.14 × 105 4.00 × 105 0.141 2.86 × 105 4.16 × 105 0.147 2.97 × 105
 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 5.00 ft (lbf/ft) (in) (psi) 17.0 4.64 × 10-5 33.7 20.0 5.46 × 10-5 39.7 30.0 8.18 × 10-5 59.5 40.0 1.09 × 10-4 79.3 50.0 1.36 × 10-4 99.2 60.0 1.64 × 10-4 119 70.0 1.91 × 10-4 139 80.0 2.18 × 10-4 159 90.0 2.45 × 10-4 178 100 2.73 × 10-4 198 200 5.46 × 10-4 397 300 8.18 × 10-4 595 400 0.00109 793 500 0.00136 992 600 0.00164 1190 700 0.00191 1390 800 0.00218 1590 900 0.00245 1780 1000 0.00273 1980 2000 0.00546 3970 3000 0.00818 5950 4000 0.0109 7930 5000 0.0136 9920 6000 0.0164 1.19 × 104 7000 0.0191 1.39 × 104 8000 0.0218 1.59 × 104 9000 0.0245 1.78 × 104 1.00 × 104 0.0273 1.98 × 104 2.00 × 104 0.0546 3.97 × 104 3.00 × 104 0.0818 5.95 × 104 4.00 × 104 0.109 7.93 × 104 5.00 × 104 0.136 9.92 × 104 6.00 × 104 0.164 1.19 × 105 7.00 × 104 0.191 1.39 × 105 8.00 × 104 0.218 1.59 × 105 9.00 × 104 0.245 1.78 × 105 1.00 × 105 0.273 1.98 × 105 1.50 × 105 0.409 2.97 × 105
 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 10.0 ft (lbf/ft) (in) (psi) 17.0 7.42 × 10-4 135 20.0 8.73 × 10-4 159 30.0 0.00131 238 40.0 0.00175 317 50.0 0.00218 397 60.0 0.00262 476 70.0 0.00305 555 80.0 0.00349 635 90.0 0.00393 714 100 0.00436 793 200 0.00873 1590 300 0.0131 2380 400 0.0175 3170 500 0.0218 3970 600 0.0262 4760 700 0.0305 5550 800 0.0349 6350 900 0.0393 7140 1000 0.0436 7930 2000 0.0873 1.59 × 104 3000 0.131 2.38 × 104 4000 0.175 3.17 × 104 5000 0.218 3.97 × 104 6000 0.262 4.76 × 104 7000 0.305 5.55 × 104 8000 0.349 6.35 × 104 9000 0.393 7.14 × 104 1.00 × 104 0.436 7.93 × 104 2.00 × 104 0.873 1.59 × 105 3.00 × 104 1.31 2.38 × 105 3.74 × 104 1.63 2.97 × 105
 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 15.0 ft (lbf/ft) (in) (psi) 17.0 0.00376 303 20.0 0.00442 357 30.0 0.00663 535 40.0 0.00884 714 50.0 0.0110 892 60.0 0.0133 1070 70.0 0.0155 1250 80.0 0.0177 1430 90.0 0.0199 1610 100 0.0221 1780 200 0.0442 3570 300 0.0663 5350 400 0.0884 7140 500 0.110 8920 600 0.133 1.07 × 104 700 0.155 1.25 × 104 800 0.177 1.43 × 104 900 0.199 1.61 × 104 1000 0.221 1.78 × 104 2000 0.442 3.57 × 104 3000 0.663 5.35 × 104 4000 0.884 7.14 × 104 5000 1.10 8.92 × 104 6000 1.33 1.07 × 105 7000 1.55 1.25 × 105 8000 1.77 1.43 × 105 9000 1.99 1.61 × 105 1.00 × 104 2.21 1.78 × 105 1.66 × 104 3.68 2.97 × 105
 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 20.0 ft (lbf/ft) (in) (psi) 17.0 0.0119 539 20.0 0.0140 635 30.0 0.0209 952 40.0 0.0279 1270 50.0 0.0349 1590 60.0 0.0419 1900 70.0 0.0489 2220 80.0 0.0559 2540 90.0 0.0628 2860 100 0.0698 3170 200 0.140 6350 300 0.209 9520 400 0.279 1.27 × 104 500 0.349 1.59 × 104 600 0.419 1.90 × 104 700 0.489 2.22 × 104 800 0.559 2.54 × 104 900 0.628 2.86 × 104 1000 0.698 3.17 × 104 2000 1.40 6.35 × 104 3000 2.09 9.52 × 104 4000 2.79 1.27 × 105 5000 3.49 1.59 × 105 6000 4.19 1.90 × 105 7000 4.89 2.22 × 105 8000 5.59 2.54 × 105 9000 6.28 2.86 × 105 9360 6.54 2.97 × 105
 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 25.0 ft (lbf/ft) (in) (psi) 17.0 0.0290 843 20.0 0.0341 992 30.0 0.0511 1490 40.0 0.0682 1980 50.0 0.0852 2480 60.0 0.102 2970 70.0 0.119 3470 80.0 0.136 3970 90.0 0.153 4460 100 0.170 4960 200 0.341 9920 300 0.511 1.49 × 104 400 0.682 1.98 × 104 500 0.852 2.48 × 104 600 1.02 2.97 × 104 700 1.19 3.47 × 104 800 1.36 3.97 × 104 900 1.53 4.46 × 104 1000 1.70 4.96 × 104 2000 3.41 9.92 × 104 3000 5.11 1.49 × 105 4000 6.82 1.98 × 105 5000 8.52 2.48 × 105 5990 10.2 2.97 × 105
 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 30.0 ft (lbf/ft) (in) (psi) 17.0 0.0601 1210 20.0 0.0707 1430 30.0 0.106 2140 40.0 0.141 2860 50.0 0.177 3570 60.0 0.212 4280 70.0 0.247 5000 80.0 0.283 5710 90.0 0.318 6430 100 0.353 7140 200 0.707 1.43 × 104 300 1.06 2.14 × 104 400 1.41 2.86 × 104 500 1.77 3.57 × 104 600 2.12 4.28 × 104 700 2.47 5.00 × 104 800 2.83 5.71 × 104 900 3.18 6.43 × 104 1000 3.53 7.14 × 104 2000 7.07 1.43 × 105 2860 10.1 2.04 × 105
 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 40.0 ft (lbf/ft) (in) (psi) 17.0 0.190 2160 20.0 0.223 2540 30.0 0.335 3810 40.0 0.447 5080 50.0 0.559 6350 60.0 0.670 7620 70.0 0.782 8880 80.0 0.894 1.02 × 104 90.0 1.01 1.14 × 104 100 1.12 1.27 × 104 200 2.23 2.54 × 104 300 3.35 3.81 × 104 400 4.47 5.08 × 104 500 5.59 6.35 × 104 600 6.70 7.62 × 104 700 7.82 8.88 × 104 800 8.94 1.02 × 105 900 10.1 1.14 × 105 905 10.1 1.15 × 105
 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 50.0 ft (lbf/ft) (in) (psi) 17.0 0.464 3370 20.0 0.546 3970 30.0 0.818 5950 40.0 1.09 7930 50.0 1.36 9920 60.0 1.64 1.19 × 104 70.0 1.91 1.39 × 104 80.0 2.18 1.59 × 104 90.0 2.45 1.78 × 104 100 2.73 1.98 × 104 200 5.46 3.97 × 104 300 8.18 5.95 × 104 371 10.1 7.35 × 104
 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 60.0 ft (lbf/ft) (in) (psi) 17.0 0.962 4850 20.0 1.13 5710 30.0 1.70 8570 40.0 2.26 1.14 × 104 50.0 2.83 1.43 × 104 60.0 3.39 1.71 × 104 70.0 3.96 2.00 × 104 80.0 4.52 2.28 × 104 90.0 5.09 2.57 × 104 100 5.66 2.86 × 104 179 10.1 5.10 × 104
 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 70.0 ft (lbf/ft) (in) (psi) 17.0 1.78 6610 20.0 2.10 7770 30.0 3.14 1.17 × 104 40.0 4.19 1.55 × 104 50.0 5.24 1.94 × 104 60.0 6.29 2.33 × 104 70.0 7.33 2.72 × 104 80.0 8.38 3.11 × 104 90.0 9.43 3.50 × 104 96.5 10.1 3.75 × 104
 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 80.0 ft (lbf/ft) (in) (psi) 17.0 3.04 8630 20.0 3.58 1.02 × 104 30.0 5.36 1.52 × 104 40.0 7.15 2.03 × 104 50.0 8.94 2.54 × 104 56.6 10.1 2.87 × 104
 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 90.0 ft (lbf/ft) (in) (psi) 17.0 4.87 1.09 × 104 20.0 5.73 1.29 × 104 30.0 8.59 1.93 × 104 35.3 10.1 2.27 × 104
 Steel I Beam: W10 × 17 (Wide Flange 10 inch tall × 17 lbf/ft) L = 100 ft (lbf/ft) (in) (psi) 17.0 7.42 1.35 × 104 20.0 8.73 1.59 × 104 23.2 10.1 1.84 × 104
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Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

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