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Wide Flange Steel I Beam: W8 × 58
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W8 × 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 = 228 in4) for the W8 × 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
   
Steel I Beam: W8 × 58 (Wide Flange 8 inch tall × 58 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 1.52 × 10-5 15.0
60.0 1.57 × 10-5 15.5
70.0 1.84 × 10-5 18.1
80.0 2.10 × 10-5 20.7
90.0 2.36 × 10-5 23.3
100 2.62 × 10-5 25.9
200 5.25 × 10-5 51.8
300 7.87 × 10-5 77.7
400 1.05 × 10-4 104
500 1.31 × 10-4 130
600 1.57 × 10-4 155
700 1.84 × 10-4 181
800 2.10 × 10-4 207
900 2.36 × 10-4 233
1000 2.62 × 10-4 259
2000 5.25 × 10-4 518
3000 7.87 × 10-4 777
4000 0.00105 1040
5000 0.00131 1300
6000 0.00157 1550
7000 0.00184 1810
8000 0.00210 2070
9000 0.00236 2330
1.00 × 104 0.00262 2590
2.00 × 104 0.00525 5180
3.00 × 104 0.00787 7770
4.00 × 104 0.0105 1.04 × 104
5.00 × 104 0.0131 1.30 × 104
6.00 × 104 0.0157 1.55 × 104
7.00 × 104 0.0184 1.81 × 104
8.00 × 104 0.0210 2.07 × 104
9.00 × 104 0.0236 2.33 × 104
1.00 × 105 0.0262 2.59 × 104
2.00 × 105 0.0525 5.18 × 104
3.00 × 105 0.0787 7.77 × 104
4.00 × 105 0.105 1.04 × 105
5.00 × 105 0.131 1.30 × 105
6.00 × 105 0.157 1.55 × 105
7.00 × 105 0.184 1.81 × 105
8.00 × 105 0.210 2.07 × 105
9.00 × 105 0.236 2.33 × 105
1.00 × 106 0.262 2.59 × 105
1.15 × 106 0.301 2.97 × 105
Steel I Beam: W8 × 58 (Wide Flange 8 inch tall × 58 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 1.17 × 10-4 41.7
60.0 1.22 × 10-4 43.2
70.0 1.42 × 10-4 50.4
80.0 1.62 × 10-4 57.6
90.0 1.82 × 10-4 64.8
100 2.03 × 10-4 72.0
200 4.05 × 10-4 144
300 6.08 × 10-4 216
400 8.10 × 10-4 288
500 0.00101 360
600 0.00122 432
700 0.00142 504
800 0.00162 576
900 0.00182 648
1000 0.00203 720
2000 0.00405 1440
3000 0.00608 2160
4000 0.00810 2880
5000 0.0101 3600
6000 0.0122 4320
7000 0.0142 5040
8000 0.0162 5760
9000 0.0182 6480
1.00 × 104 0.0203 7200
2.00 × 104 0.0405 1.44 × 104
3.00 × 104 0.0608 2.16 × 104
4.00 × 104 0.0810 2.88 × 104
5.00 × 104 0.101 3.60 × 104
6.00 × 104 0.122 4.32 × 104
7.00 × 104 0.142 5.04 × 104
8.00 × 104 0.162 5.76 × 104
9.00 × 104 0.182 6.48 × 104
1.00 × 105 0.203 7.20 × 104
2.00 × 105 0.405 1.44 × 105
3.00 × 105 0.608 2.16 × 105
4.00 × 105 0.810 2.88 × 105
4.13 × 105 0.836 2.97 × 105
Steel I Beam: W8 × 58 (Wide Flange 8 inch tall × 58 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 0.00188 167
60.0 0.00194 173
70.0 0.00227 201
80.0 0.00259 230
90.0 0.00292 259
100 0.00324 288
200 0.00648 576
300 0.00972 863
400 0.0130 1150
500 0.0162 1440
600 0.0194 1730
700 0.0227 2010
800 0.0259 2300
900 0.0292 2590
1000 0.0324 2880
2000 0.0648 5760
3000 0.0972 8630
4000 0.130 1.15 × 104
5000 0.162 1.44 × 104
6000 0.194 1.73 × 104
7000 0.227 2.01 × 104
8000 0.259 2.30 × 104
9000 0.292 2.59 × 104
1.00 × 104 0.324 2.88 × 104
2.00 × 104 0.648 5.76 × 104
3.00 × 104 0.972 8.63 × 104
4.00 × 104 1.30 1.15 × 105
5.00 × 104 1.62 1.44 × 105
6.00 × 104 1.94 1.73 × 105
7.00 × 104 2.27 2.01 × 105
8.00 × 104 2.59 2.30 × 105
9.00 × 104 2.92 2.59 × 105
1.00 × 105 3.24 2.88 × 105
1.03 × 105 3.34 2.97 × 105
Steel I Beam: W8 × 58 (Wide Flange 8 inch tall × 58 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 0.00951 376
60.0 0.00984 389
70.0 0.0115 453
80.0 0.0131 518
90.0 0.0148 583
100 0.0164 648
200 0.0328 1300
300 0.0492 1940
400 0.0656 2590
500 0.0820 3240
600 0.0984 3890
700 0.115 4530
800 0.131 5180
900 0.148 5830
1000 0.164 6480
2000 0.328 1.30 × 104
3000 0.492 1.94 × 104
4000 0.656 2.59 × 104
5000 0.820 3.24 × 104
6000 0.984 3.89 × 104
7000 1.15 4.53 × 104
8000 1.31 5.18 × 104
9000 1.48 5.83 × 104
1.00 × 104 1.64 6.48 × 104
2.00 × 104 3.28 1.30 × 105
3.00 × 104 4.92 1.94 × 105
4.00 × 104 6.56 2.59 × 105
4.59 × 104 7.52 2.97 × 105
Steel I Beam: W8 × 58 (Wide Flange 8 inch tall × 58 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 0.0301 668
60.0 0.0311 691
70.0 0.0363 806
80.0 0.0415 921
90.0 0.0467 1040
100 0.0518 1150
200 0.104 2300
300 0.156 3450
400 0.207 4610
500 0.259 5760
600 0.311 6910
700 0.363 8060
800 0.415 9210
900 0.467 1.04 × 104
1000 0.518 1.15 × 104
2000 1.04 2.30 × 104
3000 1.56 3.45 × 104
4000 2.07 4.61 × 104
5000 2.59 5.76 × 104
6000 3.11 6.91 × 104
7000 3.63 8.06 × 104
8000 4.15 9.21 × 104
9000 4.67 1.04 × 105
1.00 × 104 5.18 1.15 × 105
1.69 × 104 8.75 1.94 × 105
Steel I Beam: W8 × 58 (Wide Flange 8 inch tall × 58 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 0.0734 1040
60.0 0.0759 1080
70.0 0.0886 1260
80.0 0.101 1440
90.0 0.114 1620
100 0.127 1800
200 0.253 3600
300 0.380 5400
400 0.506 7200
500 0.633 8990
600 0.759 1.08 × 104
700 0.886 1.26 × 104
800 1.01 1.44 × 104
900 1.14 1.62 × 104
1000 1.27 1.80 × 104
2000 2.53 3.60 × 104
3000 3.80 5.40 × 104
4000 5.06 7.20 × 104
5000 6.33 8.99 × 104
6000 7.59 1.08 × 105
6910 8.75 1.24 × 105
Steel I Beam: W8 × 58 (Wide Flange 8 inch tall × 58 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 0.152 1500
60.0 0.157 1550
70.0 0.184 1810
80.0 0.210 2070
90.0 0.236 2330
100 0.262 2590
200 0.525 5180
300 0.787 7770
400 1.05 1.04 × 104
500 1.31 1.30 × 104
600 1.57 1.55 × 104
700 1.84 1.81 × 104
800 2.10 2.07 × 104
900 2.36 2.33 × 104
1000 2.62 2.59 × 104
2000 5.25 5.18 × 104
3000 7.87 7.77 × 104
3330 8.75 8.64 × 104
Steel I Beam: W8 × 58 (Wide Flange 8 inch tall × 58 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 0.481 2670
60.0 0.498 2760
70.0 0.581 3220
80.0 0.664 3680
90.0 0.746 4140
100 0.829 4610
200 1.66 9210
300 2.49 1.38 × 104
400 3.32 1.84 × 104
500 4.15 2.30 × 104
600 4.98 2.76 × 104
700 5.81 3.22 × 104
800 6.64 3.68 × 104
900 7.46 4.14 × 104
1000 8.29 4.61 × 104
1050 8.75 4.86 × 104
Steel I Beam: W8 × 58 (Wide Flange 8 inch tall × 58 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 1.17 4170
60.0 1.22 4320
70.0 1.42 5040
80.0 1.62 5760
90.0 1.82 6480
100 2.03 7200
200 4.05 1.44 × 104
300 6.08 2.16 × 104
400 8.10 2.88 × 104
432 8.75 3.11 × 104
Steel I Beam: W8 × 58 (Wide Flange 8 inch tall × 58 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 2.44 6010
60.0 2.52 6220
70.0 2.94 7250
80.0 3.36 8290
90.0 3.78 9330
100 4.20 1.04 × 104
200 8.40 2.07 × 104
208 8.75 2.16 × 104
Steel I Beam: W8 × 58 (Wide Flange 8 inch tall × 58 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 4.51 8180
60.0 4.67 8460
70.0 5.45 9870
80.0 6.22 1.13 × 104
90.0 7.00 1.27 × 104
100 7.78 1.41 × 104
112 8.75 1.59 × 104
Steel I Beam: W8 × 58 (Wide Flange 8 inch tall × 58 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
58.0 7.70 1.07 × 104
60.0 7.96 1.11 × 104
65.9 8.75 1.21 × 104
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