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Wide Flange Steel I Beam: W10 × 30
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W10 × 30
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 = 170 in4) for the W10 × 30 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
   
Steel I Beam: W10 × 30 (Wide Flange 10 inch tall × 30 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
30.0 1.06 × 10-5 12.5
40.0 1.41 × 10-5 16.6
50.0 1.76 × 10-5 20.8
60.0 2.11 × 10-5 24.9
70.0 2.46 × 10-5 29.1
80.0 2.82 × 10-5 33.3
90.0 3.17 × 10-5 37.4
100 3.52 × 10-5 41.6
200 7.04 × 10-5 83.1
300 1.06 × 10-4 125
400 1.41 × 10-4 166
500 1.76 × 10-4 208
600 2.11 × 10-4 249
700 2.46 × 10-4 291
800 2.82 × 10-4 333
900 3.17 × 10-4 374
1000 3.52 × 10-4 416
2000 7.04 × 10-4 831
3000 0.00106 1250
4000 0.00141 1660
5000 0.00176 2080
6000 0.00211 2490
7000 0.00246 2910
8000 0.00282 3330
9000 0.00317 3740
1.00 × 104 0.00352 4160
2.00 × 104 0.00704 8310
3.00 × 104 0.0106 1.25 × 104
4.00 × 104 0.0141 1.66 × 104
5.00 × 104 0.0176 2.08 × 104
6.00 × 104 0.0211 2.49 × 104
7.00 × 104 0.0246 2.91 × 104
8.00 × 104 0.0282 3.33 × 104
9.00 × 104 0.0317 3.74 × 104
1.00 × 105 0.0352 4.16 × 104
2.00 × 105 0.0704 8.31 × 104
3.00 × 105 0.106 1.25 × 105
4.00 × 105 0.141 1.66 × 105
5.00 × 105 0.176 2.08 × 105
6.00 × 105 0.211 2.49 × 105
7.00 × 105 0.246 2.91 × 105
7.15 × 105 0.251 2.97 × 105
Steel I Beam: W10 × 30 (Wide Flange 10 inch tall × 30 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
30.0 8.15 × 10-5 34.6
40.0 1.09 × 10-4 46.2
50.0 1.36 × 10-4 57.7
60.0 1.63 × 10-4 69.3
70.0 1.90 × 10-4 80.8
80.0 2.17 × 10-4 92.4
90.0 2.44 × 10-4 104
100 2.72 × 10-4 115
200 5.43 × 10-4 231
300 8.15 × 10-4 346
400 0.00109 462
500 0.00136 577
600 0.00163 693
700 0.00190 808
800 0.00217 924
900 0.00244 1040
1000 0.00272 1150
2000 0.00543 2310
3000 0.00815 3460
4000 0.0109 4620
5000 0.0136 5770
6000 0.0163 6930
7000 0.0190 8080
8000 0.0217 9240
9000 0.0244 1.04 × 104
1.00 × 104 0.0272 1.15 × 104
2.00 × 104 0.0543 2.31 × 104
3.00 × 104 0.0815 3.46 × 104
4.00 × 104 0.109 4.62 × 104
5.00 × 104 0.136 5.77 × 104
6.00 × 104 0.163 6.93 × 104
7.00 × 104 0.190 8.08 × 104
8.00 × 104 0.217 9.24 × 104
9.00 × 104 0.244 1.04 × 105
1.00 × 105 0.272 1.15 × 105
2.00 × 105 0.543 2.31 × 105
2.57 × 105 0.699 2.97 × 105
Steel I Beam: W10 × 30 (Wide Flange 10 inch tall × 30 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
30.0 0.00130 139
40.0 0.00174 185
50.0 0.00217 231
60.0 0.00261 277
70.0 0.00304 323
80.0 0.00348 370
90.0 0.00391 416
100 0.00435 462
200 0.00869 924
300 0.0130 1390
400 0.0174 1850
500 0.0217 2310
600 0.0261 2770
700 0.0304 3230
800 0.0348 3700
900 0.0391 4160
1000 0.0435 4620
2000 0.0869 9240
3000 0.130 1.39 × 104
4000 0.174 1.85 × 104
5000 0.217 2.31 × 104
6000 0.261 2.77 × 104
7000 0.304 3.23 × 104
8000 0.348 3.70 × 104
9000 0.391 4.16 × 104
1.00 × 104 0.435 4.62 × 104
2.00 × 104 0.869 9.24 × 104
3.00 × 104 1.30 1.39 × 105
4.00 × 104 1.74 1.85 × 105
5.00 × 104 2.17 2.31 × 105
6.00 × 104 2.61 2.77 × 105
6.43 × 104 2.79 2.97 × 105
Steel I Beam: W10 × 30 (Wide Flange 10 inch tall × 30 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
30.0 0.00660 312
40.0 0.00880 416
50.0 0.0110 520
60.0 0.0132 624
70.0 0.0154 728
80.0 0.0176 831
90.0 0.0198 935
100 0.0220 1040
200 0.0440 2080
300 0.0660 3120
400 0.0880 4160
500 0.110 5200
600 0.132 6240
700 0.154 7280
800 0.176 8310
900 0.198 9350
1000 0.220 1.04 × 104
2000 0.440 2.08 × 104
3000 0.660 3.12 × 104
4000 0.880 4.16 × 104
5000 1.10 5.20 × 104
6000 1.32 6.24 × 104
7000 1.54 7.28 × 104
8000 1.76 8.31 × 104
9000 1.98 9.35 × 104
1.00 × 104 2.20 1.04 × 105
2.00 × 104 4.40 2.08 × 105
2.86 × 104 6.29 2.97 × 105
Steel I Beam: W10 × 30 (Wide Flange 10 inch tall × 30 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
30.0 0.0209 554
40.0 0.0278 739
50.0 0.0348 924
60.0 0.0417 1110
70.0 0.0487 1290
80.0 0.0556 1480
90.0 0.0626 1660
100 0.0695 1850
200 0.139 3700
300 0.209 5540
400 0.278 7390
500 0.348 9240
600 0.417 1.11 × 104
700 0.487 1.29 × 104
800 0.556 1.48 × 104
900 0.626 1.66 × 104
1000 0.695 1.85 × 104
2000 1.39 3.70 × 104
3000 2.09 5.54 × 104
4000 2.78 7.39 × 104
5000 3.48 9.24 × 104
6000 4.17 1.11 × 105
7000 4.87 1.29 × 105
8000 5.56 1.48 × 105
9000 6.26 1.66 × 105
1.00 × 104 6.95 1.85 × 105
1.61 × 104 11.2 2.97 × 105
Steel I Beam: W10 × 30 (Wide Flange 10 inch tall × 30 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
30.0 0.0509 866
40.0 0.0679 1150
50.0 0.0849 1440
60.0 0.102 1730
70.0 0.119 2020
80.0 0.136 2310
90.0 0.153 2600
100 0.170 2890
200 0.339 5770
300 0.509 8660
400 0.679 1.15 × 104
500 0.849 1.44 × 104
600 1.02 1.73 × 104
700 1.19 2.02 × 104
800 1.36 2.31 × 104
900 1.53 2.60 × 104
1000 1.70 2.89 × 104
2000 3.39 5.77 × 104
3000 5.09 8.66 × 104
4000 6.79 1.15 × 105
5000 8.49 1.44 × 105
6000 10.2 1.73 × 105
6170 10.5 1.78 × 105
Steel I Beam: W10 × 30 (Wide Flange 10 inch tall × 30 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
30.0 0.106 1250
40.0 0.141 1660
50.0 0.176 2080
60.0 0.211 2490
70.0 0.246 2910
80.0 0.282 3330
90.0 0.317 3740
100 0.352 4160
200 0.704 8310
300 1.06 1.25 × 104
400 1.41 1.66 × 104
500 1.76 2.08 × 104
600 2.11 2.49 × 104
700 2.46 2.91 × 104
800 2.82 3.33 × 104
900 3.17 3.74 × 104
1000 3.52 4.16 × 104
2000 7.04 8.31 × 104
2970 10.5 1.24 × 105
Steel I Beam: W10 × 30 (Wide Flange 10 inch tall × 30 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
30.0 0.334 2220
40.0 0.445 2960
50.0 0.556 3700
60.0 0.667 4430
70.0 0.779 5170
80.0 0.890 5910
90.0 1.00 6650
100 1.11 7390
200 2.22 1.48 × 104
300 3.34 2.22 × 104
400 4.45 2.96 × 104
500 5.56 3.70 × 104
600 6.67 4.43 × 104
700 7.79 5.17 × 104
800 8.90 5.91 × 104
900 10.0 6.65 × 104
941 10.5 6.96 × 104
Steel I Beam: W10 × 30 (Wide Flange 10 inch tall × 30 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
30.0 0.815 3460
40.0 1.09 4620
50.0 1.36 5770
60.0 1.63 6930
70.0 1.90 8080
80.0 2.17 9240
90.0 2.44 1.04 × 104
100 2.72 1.15 × 104
200 5.43 2.31 × 104
300 8.15 3.46 × 104
386 10.5 4.45 × 104
Steel I Beam: W10 × 30 (Wide Flange 10 inch tall × 30 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
30.0 1.69 4990
40.0 2.25 6650
50.0 2.82 8310
60.0 3.38 9980
70.0 3.94 1.16 × 104
80.0 4.51 1.33 × 104
90.0 5.07 1.50 × 104
100 5.63 1.66 × 104
186 10.5 3.09 × 104
Steel I Beam: W10 × 30 (Wide Flange 10 inch tall × 30 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
30.0 3.13 6790
40.0 4.17 9050
50.0 5.22 1.13 × 104
60.0 6.26 1.36 × 104
70.0 7.30 1.58 × 104
80.0 8.35 1.81 × 104
90.0 9.39 2.04 × 104
100 10.4 2.26 × 104
100 10.5 2.27 × 104
Steel I Beam: W10 × 30 (Wide Flange 10 inch tall × 30 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
30.0 5.34 8870
40.0 7.12 1.18 × 104
50.0 8.90 1.48 × 104
58.8 10.5 1.74 × 104
Steel I Beam: W10 × 30 (Wide Flange 10 inch tall × 30 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
30.0 8.55 1.12 × 104
36.7 10.5 1.37 × 104
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