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Wide Flange Steel I Beam: W12 × 58
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W12 × 58
Wide Flange 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 = 475 in4) for the W12 × 58 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: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 7.31 × 10-6 10.0
60.0 7.56 × 10-6 10.4
70.0 8.82 × 10-6 12.1
80.0 1.01 × 10-5 13.9
90.0 1.13 × 10-5 15.6
100 1.26 × 10-5 17.3
200 2.52 × 10-5 34.6
300 3.78 × 10-5 52.0
400 5.04 × 10-5 69.3
500 6.30 × 10-5 86.6
600 7.56 × 10-5 104
700 8.82 × 10-5 121
800 1.01 × 10-4 139
900 1.13 × 10-4 156
1000 1.26 × 10-4 173
2000 2.52 × 10-4 346
3000 3.78 × 10-4 520
4000 5.04 × 10-4 693
5000 6.30 × 10-4 866
6000 7.56 × 10-4 1040
7000 8.82 × 10-4 1210
8000 0.00101 1390
9000 0.00113 1560
1.00 × 104 0.00126 1730
2.00 × 104 0.00252 3460
3.00 × 104 0.00378 5200
4.00 × 104 0.00504 6930
5.00 × 104 0.00630 8660
6.00 × 104 0.00756 1.04 × 104
7.00 × 104 0.00882 1.21 × 104
8.00 × 104 0.0101 1.39 × 104
9.00 × 104 0.0113 1.56 × 104
1.00 × 105 0.0126 1.73 × 104
2.00 × 105 0.0252 3.46 × 104
3.00 × 105 0.0378 5.20 × 104
4.00 × 105 0.0504 6.93 × 104
5.00 × 105 0.0630 8.66 × 104
6.00 × 105 0.0756 1.04 × 105
7.00 × 105 0.0882 1.21 × 105
8.00 × 105 0.101 1.39 × 105
9.00 × 105 0.113 1.56 × 105
1.00 × 106 0.126 1.73 × 105
1.71 × 106 0.216 2.97 × 105
Steel I Beam: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 5.64 × 10-5 27.9
60.0 5.83 × 10-5 28.9
70.0 6.80 × 10-5 33.7
80.0 7.78 × 10-5 38.5
90.0 8.75 × 10-5 43.3
100 9.72 × 10-5 48.1
200 1.94 × 10-4 96.2
300 2.92 × 10-4 144
400 3.89 × 10-4 192
500 4.86 × 10-4 241
600 5.83 × 10-4 289
700 6.80 × 10-4 337
800 7.78 × 10-4 385
900 8.75 × 10-4 433
1000 9.72 × 10-4 481
2000 0.00194 962
3000 0.00292 1440
4000 0.00389 1920
5000 0.00486 2410
6000 0.00583 2890
7000 0.00680 3370
8000 0.00778 3850
9000 0.00875 4330
1.00 × 104 0.00972 4810
2.00 × 104 0.0194 9620
3.00 × 104 0.0292 1.44 × 104
4.00 × 104 0.0389 1.92 × 104
5.00 × 104 0.0486 2.41 × 104
6.00 × 104 0.0583 2.89 × 104
7.00 × 104 0.0680 3.37 × 104
8.00 × 104 0.0778 3.85 × 104
9.00 × 104 0.0875 4.33 × 104
1.00 × 105 0.0972 4.81 × 104
2.00 × 105 0.194 9.62 × 104
3.00 × 105 0.292 1.44 × 105
4.00 × 105 0.389 1.92 × 105
5.00 × 105 0.486 2.41 × 105
6.00 × 105 0.583 2.89 × 105
6.17 × 105 0.600 2.97 × 105
Steel I Beam: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 9.02 × 10-4 112
60.0 9.33 × 10-4 115
70.0 0.00109 135
80.0 0.00124 154
90.0 0.00140 173
100 0.00156 192
200 0.00311 385
300 0.00467 577
400 0.00622 770
500 0.00778 962
600 0.00933 1150
700 0.0109 1350
800 0.0124 1540
900 0.0140 1730
1000 0.0156 1920
2000 0.0311 3850
3000 0.0467 5770
4000 0.0622 7700
5000 0.0778 9620
6000 0.0933 1.15 × 104
7000 0.109 1.35 × 104
8000 0.124 1.54 × 104
9000 0.140 1.73 × 104
1.00 × 104 0.156 1.92 × 104
2.00 × 104 0.311 3.85 × 104
3.00 × 104 0.467 5.77 × 104
4.00 × 104 0.622 7.70 × 104
5.00 × 104 0.778 9.62 × 104
6.00 × 104 0.933 1.15 × 105
7.00 × 104 1.09 1.35 × 105
8.00 × 104 1.24 1.54 × 105
9.00 × 104 1.40 1.73 × 105
1.00 × 105 1.56 1.92 × 105
1.54 × 105 2.40 2.97 × 105
Steel I Beam: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 0.00457 251
60.0 0.00472 260
70.0 0.00551 303
80.0 0.00630 346
90.0 0.00709 390
100 0.00787 433
200 0.0157 866
300 0.0236 1300
400 0.0315 1730
500 0.0394 2170
600 0.0472 2600
700 0.0551 3030
800 0.0630 3460
900 0.0709 3900
1000 0.0787 4330
2000 0.157 8660
3000 0.236 1.30 × 104
4000 0.315 1.73 × 104
5000 0.394 2.17 × 104
6000 0.472 2.60 × 104
7000 0.551 3.03 × 104
8000 0.630 3.46 × 104
9000 0.709 3.90 × 104
1.00 × 104 0.787 4.33 × 104
2.00 × 104 1.57 8.66 × 104
3.00 × 104 2.36 1.30 × 105
4.00 × 104 3.15 1.73 × 105
5.00 × 104 3.94 2.17 × 105
6.00 × 104 4.72 2.60 × 105
6.86 × 104 5.40 2.97 × 105
Steel I Beam: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 0.0144 447
60.0 0.0149 462
70.0 0.0174 539
80.0 0.0199 616
90.0 0.0224 693
100 0.0249 770
200 0.0498 1540
300 0.0746 2310
400 0.0995 3080
500 0.124 3850
600 0.149 4620
700 0.174 5390
800 0.199 6160
900 0.224 6930
1000 0.249 7700
2000 0.498 1.54 × 104
3000 0.746 2.31 × 104
4000 0.995 3.08 × 104
5000 1.24 3.85 × 104
6000 1.49 4.62 × 104
7000 1.74 5.39 × 104
8000 1.99 6.16 × 104
9000 2.24 6.93 × 104
1.00 × 104 2.49 7.70 × 104
2.00 × 104 4.98 1.54 × 105
3.00 × 104 7.46 2.31 × 105
3.86 × 104 9.60 2.97 × 105
Steel I Beam: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 0.0352 698
60.0 0.0365 722
70.0 0.0425 842
80.0 0.0486 962
90.0 0.0547 1080
100 0.0608 1200
200 0.122 2410
300 0.182 3610
400 0.243 4810
500 0.304 6010
600 0.365 7220
700 0.425 8420
800 0.486 9620
900 0.547 1.08 × 104
1000 0.608 1.20 × 104
2000 1.22 2.41 × 104
3000 1.82 3.61 × 104
4000 2.43 4.81 × 104
5000 3.04 6.01 × 104
6000 3.65 7.22 × 104
7000 4.25 8.42 × 104
8000 4.86 9.62 × 104
9000 5.47 1.08 × 105
1.00 × 104 6.08 1.20 × 105
2.00 × 104 12.2 2.41 × 105
2.47 × 104 15.0 2.97 × 105
Steel I Beam: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 0.0731 1000
60.0 0.0756 1040
70.0 0.0882 1210
80.0 0.101 1390
90.0 0.113 1560
100 0.126 1730
200 0.252 3460
300 0.378 5200
400 0.504 6930
500 0.630 8660
600 0.756 1.04 × 104
700 0.882 1.21 × 104
800 1.01 1.39 × 104
900 1.13 1.56 × 104
1000 1.26 1.73 × 104
2000 2.52 3.46 × 104
3000 3.78 5.20 × 104
4000 5.04 6.93 × 104
5000 6.30 8.66 × 104
6000 7.56 1.04 × 105
7000 8.82 1.21 × 105
8000 10.1 1.39 × 105
9000 11.3 1.56 × 105
9680 12.2 1.68 × 105
Steel I Beam: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 0.231 1790
60.0 0.239 1850
70.0 0.279 2160
80.0 0.319 2460
90.0 0.358 2770
100 0.398 3080
200 0.796 6160
300 1.19 9240
400 1.59 1.23 × 104
500 1.99 1.54 × 104
600 2.39 1.85 × 104
700 2.79 2.16 × 104
800 3.19 2.46 × 104
900 3.58 2.77 × 104
1000 3.98 3.08 × 104
2000 7.96 6.16 × 104
3000 11.9 9.24 × 104
3060 12.2 9.43 × 104
Steel I Beam: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 0.564 2790
60.0 0.583 2890
70.0 0.680 3370
80.0 0.778 3850
90.0 0.875 4330
100 0.972 4810
200 1.94 9620
300 2.92 1.44 × 104
400 3.89 1.92 × 104
500 4.86 2.41 × 104
600 5.83 2.89 × 104
700 6.80 3.37 × 104
800 7.78 3.85 × 104
900 8.75 4.33 × 104
1000 9.72 4.81 × 104
1250 12.2 6.03 × 104
Steel I Beam: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 1.17 4020
60.0 1.21 4160
70.0 1.41 4850
80.0 1.61 5540
90.0 1.81 6240
100 2.02 6930
200 4.03 1.39 × 104
300 6.05 2.08 × 104
400 8.06 2.77 × 104
500 10.1 3.46 × 104
600 12.1 4.16 × 104
605 12.2 4.19 × 104
Steel I Beam: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 2.17 5470
60.0 2.24 5660
70.0 2.61 6600
80.0 2.99 7540
90.0 3.36 8490
100 3.73 9430
200 7.47 1.89 × 104
300 11.2 2.83 × 104
326 12.2 3.08 × 104
Steel I Beam: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 3.69 7140
60.0 3.82 7390
70.0 4.46 8620
80.0 5.10 9850
90.0 5.73 1.11 × 104
100 6.37 1.23 × 104
191 12.2 2.36 × 104
Steel I Beam: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 5.92 9040
60.0 6.12 9350
70.0 7.14 1.09 × 104
80.0 8.16 1.25 × 104
90.0 9.18 1.40 × 104
100 10.2 1.56 × 104
119 12.2 1.86 × 104
Steel I Beam: W12 × 58 (Wide Flange 12 inch tall × 58 lbf/ft)
L = 100 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 9.02 1.12 × 104
60.0 9.33 1.15 × 104
70.0 10.9 1.35 × 104
78.4 12.2 1.51 × 104
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