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Wide Flange Steel I Beam: W8 × 10
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W8 × 10
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 = 30.8 in4) for the W8 × 10 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
  
Steel I Beam: W8 × 10 (Wide Flange 8 inch tall × 10 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
10.0 1.94 × 10-5 17.3
20.0 3.89 × 10-5 34.6
30.0 5.83 × 10-5 51.9
40.0 7.77 × 10-5 69.2
50.0 9.71 × 10-5 86.5
60.0 1.17 × 10-4 104
70.0 1.36 × 10-4 121
80.0 1.55 × 10-4 138
90.0 1.75 × 10-4 156
100 1.94 × 10-4 173
200 3.89 × 10-4 346
300 5.83 × 10-4 519
400 7.77 × 10-4 692
500 9.71 × 10-4 865
600 0.00117 1040
700 0.00136 1210
800 0.00155 1380
900 0.00175 1560
1000 0.00194 1730
2000 0.00389 3460
3000 0.00583 5190
4000 0.00777 6920
5000 0.00971 8650
6000 0.0117 1.04 × 104
7000 0.0136 1.21 × 104
8000 0.0155 1.38 × 104
9000 0.0175 1.56 × 104
1.00 × 104 0.0194 1.73 × 104
2.00 × 104 0.0389 3.46 × 104
3.00 × 104 0.0583 5.19 × 104
4.00 × 104 0.0777 6.92 × 104
5.00 × 104 0.0971 8.65 × 104
6.00 × 104 0.117 1.04 × 105
7.00 × 104 0.136 1.21 × 105
8.00 × 104 0.155 1.38 × 105
9.00 × 104 0.175 1.56 × 105
1.00 × 105 0.194 1.73 × 105
1.72 × 105 0.334 2.97 × 105
Steel I Beam: W8 × 10 (Wide Flange 8 inch tall × 10 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
10.0 1.50 × 10-4 48.0
20.0 3.00 × 10-4 96.1
30.0 4.50 × 10-4 144
40.0 6.00 × 10-4 192
50.0 7.50 × 10-4 240
60.0 8.99 × 10-4 288
70.0 0.00105 336
80.0 0.00120 384
90.0 0.00135 432
100 0.00150 480
200 0.00300 961
300 0.00450 1440
400 0.00600 1920
500 0.00750 2400
600 0.00899 2880
700 0.0105 3360
800 0.0120 3840
900 0.0135 4320
1000 0.0150 4800
2000 0.0300 9610
3000 0.0450 1.44 × 104
4000 0.0600 1.92 × 104
5000 0.0750 2.40 × 104
6000 0.0899 2.88 × 104
7000 0.105 3.36 × 104
8000 0.120 3.84 × 104
9000 0.135 4.32 × 104
1.00 × 104 0.150 4.80 × 104
2.00 × 104 0.300 9.61 × 104
3.00 × 104 0.450 1.44 × 105
4.00 × 104 0.600 1.92 × 105
5.00 × 104 0.750 2.40 × 105
6.00 × 104 0.899 2.88 × 105
6.18 × 104 0.927 2.97 × 105
Steel I Beam: W8 × 10 (Wide Flange 8 inch tall × 10 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
10.0 0.00240 192
20.0 0.00480 384
30.0 0.00720 576
40.0 0.00959 769
50.0 0.0120 961
60.0 0.0144 1150
70.0 0.0168 1340
80.0 0.0192 1540
90.0 0.0216 1730
100 0.0240 1920
200 0.0480 3840
300 0.0720 5760
400 0.0959 7690
500 0.120 9610
600 0.144 1.15 × 104
700 0.168 1.34 × 104
800 0.192 1.54 × 104
900 0.216 1.73 × 104
1000 0.240 1.92 × 104
2000 0.480 3.84 × 104
3000 0.720 5.76 × 104
4000 0.959 7.69 × 104
5000 1.20 9.61 × 104
6000 1.44 1.15 × 105
7000 1.68 1.34 × 105
8000 1.92 1.54 × 105
9000 2.16 1.73 × 105
1.00 × 104 2.40 1.92 × 105
1.55 × 104 3.71 2.97 × 105
Steel I Beam: W8 × 10 (Wide Flange 8 inch tall × 10 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
10.0 0.0121 432
20.0 0.0243 865
30.0 0.0364 1300
40.0 0.0486 1730
50.0 0.0607 2160
60.0 0.0729 2590
70.0 0.0850 3030
80.0 0.0971 3460
90.0 0.109 3890
100 0.121 4320
200 0.243 8650
300 0.364 1.30 × 104
400 0.486 1.73 × 104
500 0.607 2.16 × 104
600 0.729 2.59 × 104
700 0.850 3.03 × 104
800 0.971 3.46 × 104
900 1.09 3.89 × 104
1000 1.21 4.32 × 104
2000 2.43 8.65 × 104
3000 3.64 1.30 × 105
4000 4.86 1.73 × 105
5000 6.07 2.16 × 105
6000 7.29 2.59 × 105
6870 8.34 2.97 × 105
Steel I Beam: W8 × 10 (Wide Flange 8 inch tall × 10 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
10.0 0.0384 769
20.0 0.0768 1540
30.0 0.115 2310
40.0 0.154 3070
50.0 0.192 3840
60.0 0.230 4610
70.0 0.269 5380
80.0 0.307 6150
90.0 0.345 6920
100 0.384 7690
200 0.768 1.54 × 104
300 1.15 2.31 × 104
400 1.54 3.07 × 104
500 1.92 3.84 × 104
600 2.30 4.61 × 104
700 2.69 5.38 × 104
800 3.07 6.15 × 104
900 3.45 6.92 × 104
1000 3.84 7.69 × 104
2000 7.68 1.54 × 105
2060 7.89 1.58 × 105
Steel I Beam: W8 × 10 (Wide Flange 8 inch tall × 10 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
10.0 0.0937 1200
20.0 0.187 2400
30.0 0.281 3600
40.0 0.375 4800
50.0 0.468 6000
60.0 0.562 7200
70.0 0.656 8410
80.0 0.750 9610
90.0 0.843 1.08 × 104
100 0.937 1.20 × 104
200 1.87 2.40 × 104
300 2.81 3.60 × 104
400 3.75 4.80 × 104
500 4.68 6.00 × 104
600 5.62 7.20 × 104
700 6.56 8.41 × 104
800 7.50 9.61 × 104
842 7.89 1.01 × 105
Steel I Beam: W8 × 10 (Wide Flange 8 inch tall × 10 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
10.0 0.194 1730
20.0 0.389 3460
30.0 0.583 5190
40.0 0.777 6920
50.0 0.971 8650
60.0 1.17 1.04 × 104
70.0 1.36 1.21 × 104
80.0 1.55 1.38 × 104
90.0 1.75 1.56 × 104
100 1.94 1.73 × 104
200 3.89 3.46 × 104
300 5.83 5.19 × 104
400 7.77 6.92 × 104
406 7.89 7.02 × 104
Steel I Beam: W8 × 10 (Wide Flange 8 inch tall × 10 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
10.0 0.614 3070
20.0 1.23 6150
30.0 1.84 9220
40.0 2.46 1.23 × 104
50.0 3.07 1.54 × 104
60.0 3.68 1.84 × 104
70.0 4.30 2.15 × 104
80.0 4.91 2.46 × 104
90.0 5.53 2.77 × 104
100 6.14 3.07 × 104
129 7.89 3.95 × 104
Steel I Beam: W8 × 10 (Wide Flange 8 inch tall × 10 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
10.0 1.50 4800
20.0 3.00 9610
30.0 4.50 1.44 × 104
40.0 6.00 1.92 × 104
50.0 7.50 2.40 × 104
52.6 7.89 2.53 × 104
Steel I Beam: W8 × 10 (Wide Flange 8 inch tall × 10 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
10.0 3.11 6920
20.0 6.22 1.38 × 104
25.4 7.89 1.76 × 104
Steel I Beam: W8 × 10 (Wide Flange 8 inch tall × 10 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
10.0 5.76 9410
13.7 7.89 1.29 × 104
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