Wide Flange Steel I Beam: W12 × 50

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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Two Equal Spans » Wide Flange Steel I Beam » W12 × 50
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 and the maximum normal stress 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 = 394 in4) for the W12 × 50 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: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 3.00 ft (lbf/ft) (in) (psi) 50.0 3.04 × 10-6 10.4 60.0 3.64 × 10-6 12.5 70.0 4.25 × 10-6 14.6 80.0 4.86 × 10-6 16.7 90.0 5.47 × 10-6 18.8 100 6.07 × 10-6 20.9 200 1.21 × 10-5 41.8 300 1.82 × 10-5 62.7 400 2.43 × 10-5 83.5 500 3.04 × 10-5 104 600 3.64 × 10-5 125 700 4.25 × 10-5 146 800 4.86 × 10-5 167 900 5.47 × 10-5 188 1000 6.07 × 10-5 209 2000 1.21 × 10-4 418 3000 1.82 × 10-4 627 4000 2.43 × 10-4 835 5000 3.04 × 10-4 1040 6000 3.64 × 10-4 1250 7000 4.25 × 10-4 1460 8000 4.86 × 10-4 1670 9000 5.47 × 10-4 1880 1.00 × 104 6.07 × 10-4 2090 2.00 × 104 0.00121 4180 3.00 × 104 0.00182 6270 4.00 × 104 0.00243 8350 5.00 × 104 0.00304 1.04 × 104 6.00 × 104 0.00364 1.25 × 104 7.00 × 104 0.00425 1.46 × 104 8.00 × 104 0.00486 1.67 × 104 9.00 × 104 0.00547 1.88 × 104 1.00 × 105 0.00607 2.09 × 104 2.00 × 105 0.0121 4.18 × 104 3.00 × 105 0.0182 6.27 × 104 4.00 × 105 0.0243 8.35 × 104 5.00 × 105 0.0304 1.04 × 105 6.00 × 105 0.0364 1.25 × 105 7.00 × 105 0.0425 1.46 × 105 8.00 × 105 0.0486 1.67 × 105 9.00 × 105 0.0547 1.88 × 105 1.00 × 106 0.0607 2.09 × 105 1.42 × 106 0.0864 2.97 × 105
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 5.00 ft (lbf/ft) (in) (psi) 50.0 2.34 × 10-5 29.0 60.0 2.81 × 10-5 34.8 70.0 3.28 × 10-5 40.6 80.0 3.75 × 10-5 46.4 90.0 4.22 × 10-5 52.2 100 4.69 × 10-5 58.0 200 9.37 × 10-5 116 300 1.41 × 10-4 174 400 1.87 × 10-4 232 500 2.34 × 10-4 290 600 2.81 × 10-4 348 700 3.28 × 10-4 406 800 3.75 × 10-4 464 900 4.22 × 10-4 522 1000 4.69 × 10-4 580 2000 9.37 × 10-4 1160 3000 0.00141 1740 4000 0.00187 2320 5000 0.00234 2900 6000 0.00281 3480 7000 0.00328 4060 8000 0.00375 4640 9000 0.00422 5220 1.00 × 104 0.00469 5800 2.00 × 104 0.00937 1.16 × 104 3.00 × 104 0.0141 1.74 × 104 4.00 × 104 0.0187 2.32 × 104 5.00 × 104 0.0234 2.90 × 104 6.00 × 104 0.0281 3.48 × 104 7.00 × 104 0.0328 4.06 × 104 8.00 × 104 0.0375 4.64 × 104 9.00 × 104 0.0422 5.22 × 104 1.00 × 105 0.0469 5.80 × 104 2.00 × 105 0.0937 1.16 × 105 3.00 × 105 0.141 1.74 × 105 4.00 × 105 0.187 2.32 × 105 5.00 × 105 0.234 2.90 × 105 5.12 × 105 0.240 2.97 × 105
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 10.0 ft (lbf/ft) (in) (psi) 50.0 3.75 × 10-4 116 60.0 4.50 × 10-4 139 70.0 5.25 × 10-4 162 80.0 6.00 × 10-4 186 90.0 6.75 × 10-4 209 100 7.50 × 10-4 232 200 0.00150 464 300 0.00225 696 400 0.00300 928 500 0.00375 1160 600 0.00450 1390 700 0.00525 1620 800 0.00600 1860 900 0.00675 2090 1000 0.00750 2320 2000 0.0150 4640 3000 0.0225 6960 4000 0.0300 9280 5000 0.0375 1.16 × 104 6000 0.0450 1.39 × 104 7000 0.0525 1.62 × 104 8000 0.0600 1.86 × 104 9000 0.0675 2.09 × 104 1.00 × 104 0.0750 2.32 × 104 2.00 × 104 0.150 4.64 × 104 3.00 × 104 0.225 6.96 × 104 4.00 × 104 0.300 9.28 × 104 5.00 × 104 0.375 1.16 × 105 6.00 × 104 0.450 1.39 × 105 7.00 × 104 0.525 1.62 × 105 8.00 × 104 0.600 1.86 × 105 9.00 × 104 0.675 2.09 × 105 1.00 × 105 0.750 2.32 × 105 1.28 × 105 0.960 2.97 × 105
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 15.0 ft (lbf/ft) (in) (psi) 50.0 0.00190 261 60.0 0.00228 313 70.0 0.00266 365 80.0 0.00304 418 90.0 0.00342 470 100 0.00380 522 200 0.00759 1040 300 0.0114 1570 400 0.0152 2090 500 0.0190 2610 600 0.0228 3130 700 0.0266 3650 800 0.0304 4180 900 0.0342 4700 1000 0.0380 5220 2000 0.0759 1.04 × 104 3000 0.114 1.57 × 104 4000 0.152 2.09 × 104 5000 0.190 2.61 × 104 6000 0.228 3.13 × 104 7000 0.266 3.65 × 104 8000 0.304 4.18 × 104 9000 0.342 4.70 × 104 1.00 × 104 0.380 5.22 × 104 2.00 × 104 0.759 1.04 × 105 3.00 × 104 1.14 1.57 × 105 4.00 × 104 1.52 2.09 × 105 5.00 × 104 1.90 2.61 × 105 5.69 × 104 2.16 2.97 × 105
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 20.0 ft (lbf/ft) (in) (psi) 50.0 0.00600 464 60.0 0.00720 557 70.0 0.00840 650 80.0 0.00960 743 90.0 0.0108 835 100 0.0120 928 200 0.0240 1860 300 0.0360 2780 400 0.0480 3710 500 0.0600 4640 600 0.0720 5570 700 0.0840 6500 800 0.0960 7430 900 0.108 8350 1000 0.120 9280 2000 0.240 1.86 × 104 3000 0.360 2.78 × 104 4000 0.480 3.71 × 104 5000 0.600 4.64 × 104 6000 0.720 5.57 × 104 7000 0.840 6.50 × 104 8000 0.960 7.43 × 104 9000 1.08 8.35 × 104 1.00 × 104 1.20 9.28 × 104 2.00 × 104 2.40 1.86 × 105 3.00 × 104 3.60 2.78 × 105 3.20 × 104 3.84 2.97 × 105
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 25.0 ft (lbf/ft) (in) (psi) 50.0 0.0146 725 60.0 0.0176 870 70.0 0.0205 1020 80.0 0.0234 1160 90.0 0.0264 1310 100 0.0293 1450 200 0.0586 2900 300 0.0879 4350 400 0.117 5800 500 0.146 7250 600 0.176 8700 700 0.205 1.02 × 104 800 0.234 1.16 × 104 900 0.264 1.31 × 104 1000 0.293 1.45 × 104 2000 0.586 2.90 × 104 3000 0.879 4.35 × 104 4000 1.17 5.80 × 104 5000 1.46 7.25 × 104 6000 1.76 8.70 × 104 7000 2.05 1.02 × 105 8000 2.34 1.16 × 105 9000 2.64 1.31 × 105 1.00 × 104 2.93 1.45 × 105 2.00 × 104 5.86 2.90 × 105 2.05 × 104 6.00 2.97 × 105
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 30.0 ft (lbf/ft) (in) (psi) 50.0 0.0304 1040 60.0 0.0364 1250 70.0 0.0425 1460 80.0 0.0486 1670 90.0 0.0547 1880 100 0.0607 2090 200 0.121 4180 300 0.182 6270 400 0.243 8350 500 0.304 1.04 × 104 600 0.364 1.25 × 104 700 0.425 1.46 × 104 800 0.486 1.67 × 104 900 0.547 1.88 × 104 1000 0.607 2.09 × 104 2000 1.21 4.18 × 104 3000 1.82 6.27 × 104 4000 2.43 8.35 × 104 5000 3.04 1.04 × 105 6000 3.64 1.25 × 105 7000 4.25 1.46 × 105 8000 4.86 1.67 × 105 9000 5.47 1.88 × 105 1.00 × 104 6.07 2.09 × 105 1.42 × 104 8.64 2.97 × 105
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 40.0 ft (lbf/ft) (in) (psi) 50.0 0.0960 1860 60.0 0.115 2230 70.0 0.134 2600 80.0 0.154 2970 90.0 0.173 3340 100 0.192 3710 200 0.384 7430 300 0.576 1.11 × 104 400 0.768 1.49 × 104 500 0.960 1.86 × 104 600 1.15 2.23 × 104 700 1.34 2.60 × 104 800 1.54 2.97 × 104 900 1.73 3.34 × 104 1000 1.92 3.71 × 104 2000 3.84 7.43 × 104 3000 5.76 1.11 × 105 4000 7.68 1.49 × 105 5000 9.60 1.86 × 105 6000 11.5 2.23 × 105 6350 12.2 2.36 × 105
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 50.0 ft (lbf/ft) (in) (psi) 50.0 0.234 2900 60.0 0.281 3480 70.0 0.328 4060 80.0 0.375 4640 90.0 0.422 5220 100 0.469 5800 200 0.937 1.16 × 104 300 1.41 1.74 × 104 400 1.87 2.32 × 104 500 2.34 2.90 × 104 600 2.81 3.48 × 104 700 3.28 4.06 × 104 800 3.75 4.64 × 104 900 4.22 5.22 × 104 1000 4.69 5.80 × 104 2000 9.37 1.16 × 105 2600 12.2 1.51 × 105
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 60.0 ft (lbf/ft) (in) (psi) 50.0 0.486 4180 60.0 0.583 5010 70.0 0.680 5850 80.0 0.778 6680 90.0 0.875 7520 100 0.972 8350 200 1.94 1.67 × 104 300 2.92 2.51 × 104 400 3.89 3.34 × 104 500 4.86 4.18 × 104 600 5.83 5.01 × 104 700 6.80 5.85 × 104 800 7.78 6.68 × 104 900 8.75 7.52 × 104 1000 9.72 8.35 × 104 1250 12.2 1.05 × 105
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 70.0 ft (lbf/ft) (in) (psi) 50.0 0.900 5690 60.0 1.08 6820 70.0 1.26 7960 80.0 1.44 9100 90.0 1.62 1.02 × 104 100 1.80 1.14 × 104 200 3.60 2.27 × 104 300 5.40 3.41 × 104 400 7.20 4.55 × 104 500 9.00 5.69 × 104 600 10.8 6.82 × 104 677 12.2 7.70 × 104
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 80.0 ft (lbf/ft) (in) (psi) 50.0 1.54 7430 60.0 1.84 8910 70.0 2.15 1.04 × 104 80.0 2.46 1.19 × 104 90.0 2.76 1.34 × 104 100 3.07 1.49 × 104 200 6.14 2.97 × 104 300 9.22 4.46 × 104 397 12.2 5.89 × 104
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 90.0 ft (lbf/ft) (in) (psi) 50.0 2.46 9400 60.0 2.95 1.13 × 104 70.0 3.44 1.32 × 104 80.0 3.94 1.50 × 104 90.0 4.43 1.69 × 104 100 4.92 1.88 × 104 200 9.84 3.76 × 104 248 12.2 4.66 × 104
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 100 ft (lbf/ft) (in) (psi) 50.0 3.75 1.16 × 104 60.0 4.50 1.39 × 104 70.0 5.25 1.62 × 104 80.0 6.00 1.86 × 104 90.0 6.75 2.09 × 104 100 7.50 2.32 × 104 163 12.2 3.77 × 104
 Steel I Beam: W12 × 50 (Wide Flange 12 inch tall × 50 lbf/ft) L = 125 ft (lbf/ft) (in) (psi) 50.0 9.15 1.81 × 104 60.0 11.0 2.18 × 104 66.6 12.2 2.41 × 104