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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Two Equal Spans » Aluminum I Beam » 6.00 × 4.692
Aluminum I Beam | Single Span | Two Equal Spans | Three Equal Spans | Four Equal Spans

For a simply supported beam in two equal spans, we compute the displacement at the middle of each span w_mid and the maximum normal stress stress_max occuring at the center support of the beam.
The tabulated data listed in this page are calculated based on the area moment of inertia (Ixx = 25.5 in4) for the 6.00 × 4.692 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
   
Aluminum I Beam: 6.00 × 4.692 (6.00 inch tall × 4.692 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.69 1.32 × 10-5 7.45
5.00 1.41 × 10-5 7.94
6.00 1.69 × 10-5 9.53
7.00 1.97 × 10-5 11.1
8.00 2.25 × 10-5 12.7
9.00 2.53 × 10-5 14.3
10.0 2.82 × 10-5 15.9
20.0 5.63 × 10-5 31.8
30.0 8.45 × 10-5 47.6
40.0 1.13 × 10-4 63.5
50.0 1.41 × 10-4 79.4
60.0 1.69 × 10-4 95.3
70.0 1.97 × 10-4 111
80.0 2.25 × 10-4 127
90.0 2.53 × 10-4 143
100 2.82 × 10-4 159
200 5.63 × 10-4 318
300 8.45 × 10-4 476
400 0.00113 635
500 0.00141 794
600 0.00169 953
700 0.00197 1110
800 0.00225 1270
900 0.00253 1430
1000 0.00282 1590
2000 0.00563 3180
3000 0.00845 4760
4000 0.0113 6350
5000 0.0141 7940
6000 0.0169 9530
7000 0.0197 1.11 × 104
8000 0.0225 1.27 × 104
9000 0.0253 1.43 × 104
1.00 × 104 0.0282 1.59 × 104
2.00 × 104 0.0563 3.18 × 104
3.00 × 104 0.0845 4.76 × 104
4.00 × 104 0.113 6.35 × 104
4.79 × 104 0.135 7.61 × 104
Aluminum I Beam: 6.00 × 4.692 (6.00 inch tall × 4.692 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.69 1.02 × 10-4 20.7
5.00 1.09 × 10-4 22.1
6.00 1.30 × 10-4 26.5
7.00 1.52 × 10-4 30.9
8.00 1.74 × 10-4 35.3
9.00 1.96 × 10-4 39.7
10.0 2.17 × 10-4 44.1
20.0 4.35 × 10-4 88.2
30.0 6.52 × 10-4 132
40.0 8.69 × 10-4 176
50.0 0.00109 221
60.0 0.00130 265
70.0 0.00152 309
80.0 0.00174 353
90.0 0.00196 397
100 0.00217 441
200 0.00435 882
300 0.00652 1320
400 0.00869 1760
500 0.0109 2210
600 0.0130 2650
700 0.0152 3090
800 0.0174 3530
900 0.0196 3970
1000 0.0217 4410
2000 0.0435 8820
3000 0.0652 1.32 × 104
4000 0.0869 1.76 × 104
5000 0.109 2.21 × 104
6000 0.130 2.65 × 104
7000 0.152 3.09 × 104
8000 0.174 3.53 × 104
9000 0.196 3.97 × 104
1.00 × 104 0.217 4.41 × 104
1.73 × 104 0.375 7.61 × 104
Aluminum I Beam: 6.00 × 4.692 (6.00 inch tall × 4.692 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.69 0.00163 82.8
5.00 0.00174 88.2
6.00 0.00209 106
7.00 0.00243 124
8.00 0.00278 141
9.00 0.00313 159
10.0 0.00348 176
20.0 0.00695 353
30.0 0.0104 529
40.0 0.0139 706
50.0 0.0174 882
60.0 0.0209 1060
70.0 0.0243 1240
80.0 0.0278 1410
90.0 0.0313 1590
100 0.0348 1760
200 0.0695 3530
300 0.104 5290
400 0.139 7060
500 0.174 8820
600 0.209 1.06 × 104
700 0.243 1.24 × 104
800 0.278 1.41 × 104
900 0.313 1.59 × 104
1000 0.348 1.76 × 104
2000 0.695 3.53 × 104
3000 1.04 5.29 × 104
4000 1.39 7.06 × 104
4310 1.50 7.61 × 104
Aluminum I Beam: 6.00 × 4.692 (6.00 inch tall × 4.692 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.69 0.00826 186
5.00 0.00880 199
6.00 0.0106 238
7.00 0.0123 278
8.00 0.0141 318
9.00 0.0158 357
10.0 0.0176 397
20.0 0.0352 794
30.0 0.0528 1190
40.0 0.0704 1590
50.0 0.0880 1990
60.0 0.106 2380
70.0 0.123 2780
80.0 0.141 3180
90.0 0.158 3570
100 0.176 3970
200 0.352 7940
300 0.528 1.19 × 104
400 0.704 1.59 × 104
500 0.880 1.99 × 104
600 1.06 2.38 × 104
700 1.23 2.78 × 104
800 1.41 3.18 × 104
900 1.58 3.57 × 104
1000 1.76 3.97 × 104
1920 3.37 7.61 × 104
Aluminum I Beam: 6.00 × 4.692 (6.00 inch tall × 4.692 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.69 0.0261 331
5.00 0.0278 353
6.00 0.0334 424
7.00 0.0389 494
8.00 0.0445 565
9.00 0.0501 635
10.0 0.0556 706
20.0 0.111 1410
30.0 0.167 2120
40.0 0.222 2820
50.0 0.278 3530
60.0 0.334 4240
70.0 0.389 4940
80.0 0.445 5650
90.0 0.501 6350
100 0.556 7060
200 1.11 1.41 × 104
300 1.67 2.12 × 104
400 2.22 2.82 × 104
500 2.78 3.53 × 104
600 3.34 4.24 × 104
700 3.89 4.94 × 104
800 4.45 5.65 × 104
900 5.01 6.35 × 104
1000 5.56 7.06 × 104
1080 6.00 7.61 × 104
Aluminum I Beam: 6.00 × 4.692 (6.00 inch tall × 4.692 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.69 0.0637 518
5.00 0.0679 551
6.00 0.0815 662
7.00 0.0951 772
8.00 0.109 882
9.00 0.122 993
10.0 0.136 1100
20.0 0.272 2210
30.0 0.407 3310
40.0 0.543 4410
50.0 0.679 5510
60.0 0.815 6620
70.0 0.951 7720
80.0 1.09 8820
90.0 1.22 9930
100 1.36 1.10 × 104
200 2.72 2.21 × 104
300 4.07 3.31 × 104
400 5.43 4.41 × 104
442 6.00 4.87 × 104
Aluminum I Beam: 6.00 × 4.692 (6.00 inch tall × 4.692 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.69 0.132 745
5.00 0.141 794
6.00 0.169 953
7.00 0.197 1110
8.00 0.225 1270
9.00 0.253 1430
10.0 0.282 1590
20.0 0.563 3180
30.0 0.845 4760
40.0 1.13 6350
50.0 1.41 7940
60.0 1.69 9530
70.0 1.97 1.11 × 104
80.0 2.25 1.27 × 104
90.0 2.53 1.43 × 104
100 2.82 1.59 × 104
200 5.63 3.18 × 104
213 6.00 3.38 × 104
Aluminum I Beam: 6.00 × 4.692 (6.00 inch tall × 4.692 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.69 0.418 1320
5.00 0.445 1410
6.00 0.534 1690
7.00 0.623 1980
8.00 0.712 2260
9.00 0.801 2540
10.0 0.890 2820
20.0 1.78 5650
30.0 2.67 8470
40.0 3.56 1.13 × 104
50.0 4.45 1.41 × 104
60.0 5.34 1.69 × 104
67.4 6.00 1.90 × 104
Aluminum I Beam: 6.00 × 4.692 (6.00 inch tall × 4.692 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.69 1.02 2070
5.00 1.09 2210
6.00 1.30 2650
7.00 1.52 3090
8.00 1.74 3530
9.00 1.96 3970
10.0 2.17 4410
20.0 4.35 8820
27.6 6.00 1.22 × 104
Aluminum I Beam: 6.00 × 4.692 (6.00 inch tall × 4.692 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.69 2.11 2980
5.00 2.25 3180
6.00 2.70 3810
7.00 3.15 4450
8.00 3.60 5080
9.00 4.05 5720
10.0 4.51 6350
13.3 6.00 8460
Aluminum I Beam: 6.00 × 4.692 (6.00 inch tall × 4.692 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.69 3.92 4060
5.00 4.17 4320
6.00 5.01 5190
7.00 5.84 6050
7.19 6.00 6220
Additional Information
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