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Aluminum I Beam: 9.00 × 8.361
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Aluminum I Beam » 9.00 × 8.361
Aluminum 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 = 102.02 in4) for the 9.00 × 8.361 Aluminum I Beam and the typical Young's modulus (E = 1.015 × 107 psi) of aluminum alloys. Note that the typical yielding stress Yield of aluminum alloys can range from 4061 to 7.614 × 104 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
   
Aluminum I Beam: 9.00 × 8.361 (9.00 inch tall × 8.361 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
8.36 1.47 × 10-5 4.98
9.00 1.58 × 10-5 5.36
10.0 1.76 × 10-5 5.95
20.0 3.52 × 10-5 11.9
30.0 5.28 × 10-5 17.9
40.0 7.04 × 10-5 23.8
50.0 8.80 × 10-5 29.8
60.0 1.06 × 10-4 35.7
70.0 1.23 × 10-4 41.7
80.0 1.41 × 10-4 47.6
90.0 1.58 × 10-4 53.6
100 1.76 × 10-4 59.5
200 3.52 × 10-4 119
300 5.28 × 10-4 179
400 7.04 × 10-4 238
500 8.80 × 10-4 298
600 0.00106 357
700 0.00123 417
800 0.00141 476
900 0.00158 536
1000 0.00176 595
2000 0.00352 1190
3000 0.00528 1790
4000 0.00704 2380
5000 0.00880 2980
6000 0.0106 3570
7000 0.0123 4170
8000 0.0141 4760
9000 0.0158 5360
1.00 × 104 0.0176 5950
2.00 × 104 0.0352 1.19 × 104
3.00 × 104 0.0528 1.79 × 104
4.00 × 104 0.0704 2.38 × 104
5.00 × 104 0.0880 2.98 × 104
6.00 × 104 0.106 3.57 × 104
7.00 × 104 0.123 4.17 × 104
8.00 × 104 0.141 4.76 × 104
9.00 × 104 0.158 5.36 × 104
1.00 × 105 0.176 5.95 × 104
1.28 × 105 0.225 7.61 × 104
Aluminum I Beam: 9.00 × 8.361 (9.00 inch tall × 8.361 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
8.36 1.14 × 10-4 13.8
9.00 1.22 × 10-4 14.9
10.0 1.36 × 10-4 16.5
20.0 2.72 × 10-4 33.1
30.0 4.07 × 10-4 49.6
40.0 5.43 × 10-4 66.2
50.0 6.79 × 10-4 82.7
60.0 8.15 × 10-4 99.2
70.0 9.50 × 10-4 116
80.0 0.00109 132
90.0 0.00122 149
100 0.00136 165
200 0.00272 331
300 0.00407 496
400 0.00543 662
500 0.00679 827
600 0.00815 992
700 0.00950 1160
800 0.0109 1320
900 0.0122 1490
1000 0.0136 1650
2000 0.0272 3310
3000 0.0407 4960
4000 0.0543 6620
5000 0.0679 8270
6000 0.0815 9920
7000 0.0950 1.16 × 104
8000 0.109 1.32 × 104
9000 0.122 1.49 × 104
1.00 × 104 0.136 1.65 × 104
2.00 × 104 0.272 3.31 × 104
3.00 × 104 0.407 4.96 × 104
4.00 × 104 0.543 6.62 × 104
4.60 × 104 0.625 7.61 × 104
Aluminum I Beam: 9.00 × 8.361 (9.00 inch tall × 8.361 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
8.36 0.00182 55.3
9.00 0.00196 59.5
10.0 0.00217 66.2
20.0 0.00434 132
30.0 0.00652 198
40.0 0.00869 265
50.0 0.0109 331
60.0 0.0130 397
70.0 0.0152 463
80.0 0.0174 529
90.0 0.0196 595
100 0.0217 662
200 0.0434 1320
300 0.0652 1980
400 0.0869 2650
500 0.109 3310
600 0.130 3970
700 0.152 4630
800 0.174 5290
900 0.196 5950
1000 0.217 6620
2000 0.434 1.32 × 104
3000 0.652 1.98 × 104
4000 0.869 2.65 × 104
5000 1.09 3.31 × 104
6000 1.30 3.97 × 104
7000 1.52 4.63 × 104
8000 1.74 5.29 × 104
9000 1.96 5.95 × 104
1.00 × 104 2.17 6.62 × 104
1.15 × 104 2.50 7.61 × 104
Aluminum I Beam: 9.00 × 8.361 (9.00 inch tall × 8.361 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
8.36 0.00919 124
9.00 0.00990 134
10.0 0.0110 149
20.0 0.0220 298
30.0 0.0330 447
40.0 0.0440 595
50.0 0.0550 744
60.0 0.0660 893
70.0 0.0770 1040
80.0 0.0880 1190
90.0 0.0990 1340
100 0.110 1490
200 0.220 2980
300 0.330 4470
400 0.440 5950
500 0.550 7440
600 0.660 8930
700 0.770 1.04 × 104
800 0.880 1.19 × 104
900 0.990 1.34 × 104
1000 1.10 1.49 × 104
2000 2.20 2.98 × 104
3000 3.30 4.47 × 104
4000 4.40 5.95 × 104
5000 5.50 7.44 × 104
5110 5.63 7.61 × 104
Aluminum I Beam: 9.00 × 8.361 (9.00 inch tall × 8.361 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
8.36 0.0291 221
9.00 0.0313 238
10.0 0.0348 265
20.0 0.0695 529
30.0 0.104 794
40.0 0.139 1060
50.0 0.174 1320
60.0 0.209 1590
70.0 0.243 1850
80.0 0.278 2120
90.0 0.313 2380
100 0.348 2650
200 0.695 5290
300 1.04 7940
400 1.39 1.06 × 104
500 1.74 1.32 × 104
600 2.09 1.59 × 104
700 2.43 1.85 × 104
800 2.78 2.12 × 104
900 3.13 2.38 × 104
1000 3.48 2.65 × 104
2000 6.95 5.29 × 104
2880 10.0 7.61 × 104
Aluminum I Beam: 9.00 × 8.361 (9.00 inch tall × 8.361 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
8.36 0.0709 346
9.00 0.0764 372
10.0 0.0849 414
20.0 0.170 827
30.0 0.255 1240
40.0 0.339 1650
50.0 0.424 2070
60.0 0.509 2480
70.0 0.594 2890
80.0 0.679 3310
90.0 0.764 3720
100 0.849 4140
200 1.70 8270
300 2.55 1.24 × 104
400 3.39 1.65 × 104
500 4.24 2.07 × 104
600 5.09 2.48 × 104
700 5.94 2.89 × 104
800 6.79 3.31 × 104
900 7.64 3.72 × 104
1000 8.49 4.14 × 104
1840 15.6 7.61 × 104
Aluminum I Beam: 9.00 × 8.361 (9.00 inch tall × 8.361 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
8.36 0.147 498
9.00 0.158 536
10.0 0.176 595
20.0 0.352 1190
30.0 0.528 1790
40.0 0.704 2380
50.0 0.880 2980
60.0 1.06 3570
70.0 1.23 4170
80.0 1.41 4760
90.0 1.58 5360
100 1.76 5950
200 3.52 1.19 × 104
300 5.28 1.79 × 104
400 7.04 2.38 × 104
500 8.80 2.98 × 104
511 9.00 3.05 × 104
Aluminum I Beam: 9.00 × 8.361 (9.00 inch tall × 8.361 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
8.36 0.465 885
9.00 0.500 953
10.0 0.556 1060
20.0 1.11 2120
30.0 1.67 3180
40.0 2.22 4230
50.0 2.78 5290
60.0 3.34 6350
70.0 3.89 7410
80.0 4.45 8470
90.0 5.00 9530
100 5.56 1.06 × 104
162 9.00 1.71 × 104
Aluminum I Beam: 9.00 × 8.361 (9.00 inch tall × 8.361 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
8.36 1.14 1380
9.00 1.22 1490
10.0 1.36 1650
20.0 2.72 3310
30.0 4.07 4960
40.0 5.43 6620
50.0 6.79 8270
60.0 8.15 9920
66.3 9.00 1.10 × 104
Aluminum I Beam: 9.00 × 8.361 (9.00 inch tall × 8.361 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
8.36 2.35 1990
9.00 2.53 2140
10.0 2.82 2380
20.0 5.63 4760
30.0 8.45 7150
32.0 9.00 7610
Aluminum I Beam: 9.00 × 8.361 (9.00 inch tall × 8.361 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
8.36 4.36 2710
9.00 4.69 2920
10.0 5.22 3240
17.3 9.00 5590
Aluminum I Beam: 9.00 × 8.361 (9.00 inch tall × 8.361 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
8.36 7.44 3540
9.00 8.01 3810
10.0 8.90 4230
10.1 9.00 4280
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