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Aluminum I Beam: 6.00 × 4.030
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Two Equal Spans » Aluminum I Beam » 6.00 × 4.030
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 = 21.99 in4) for the 6.00 × 4.030 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 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.03 1.32 × 10-5 7.42
5.00 1.63 × 10-5 9.21
6.00 1.96 × 10-5 11.1
7.00 2.29 × 10-5 12.9
8.00 2.61 × 10-5 14.7
9.00 2.94 × 10-5 16.6
10.0 3.27 × 10-5 18.4
20.0 6.53 × 10-5 36.8
30.0 9.80 × 10-5 55.3
40.0 1.31 × 10-4 73.7
50.0 1.63 × 10-4 92.1
60.0 1.96 × 10-4 111
70.0 2.29 × 10-4 129
80.0 2.61 × 10-4 147
90.0 2.94 × 10-4 166
100 3.27 × 10-4 184
200 6.53 × 10-4 368
300 9.80 × 10-4 553
400 0.00131 737
500 0.00163 921
600 0.00196 1110
700 0.00229 1290
800 0.00261 1470
900 0.00294 1660
1000 0.00327 1840
2000 0.00653 3680
3000 0.00980 5530
4000 0.0131 7370
5000 0.0163 9210
6000 0.0196 1.11 × 104
7000 0.0229 1.29 × 104
8000 0.0261 1.47 × 104
9000 0.0294 1.66 × 104
1.00 × 104 0.0327 1.84 × 104
2.00 × 104 0.0653 3.68 × 104
3.00 × 104 0.0980 5.53 × 104
4.00 × 104 0.131 7.37 × 104
4.13 × 104 0.135 7.61 × 104
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.03 1.02 × 10-4 20.6
5.00 1.26 × 10-4 25.6
6.00 1.51 × 10-4 30.7
7.00 1.76 × 10-4 35.8
8.00 2.02 × 10-4 40.9
9.00 2.27 × 10-4 46.0
10.0 2.52 × 10-4 51.2
20.0 5.04 × 10-4 102
30.0 7.56 × 10-4 153
40.0 0.00101 205
50.0 0.00126 256
60.0 0.00151 307
70.0 0.00176 358
80.0 0.00202 409
90.0 0.00227 460
100 0.00252 512
200 0.00504 1020
300 0.00756 1530
400 0.0101 2050
500 0.0126 2560
600 0.0151 3070
700 0.0176 3580
800 0.0202 4090
900 0.0227 4600
1000 0.0252 5120
2000 0.0504 1.02 × 104
3000 0.0756 1.53 × 104
4000 0.101 2.05 × 104
5000 0.126 2.56 × 104
6000 0.151 3.07 × 104
7000 0.176 3.58 × 104
8000 0.202 4.09 × 104
9000 0.227 4.60 × 104
1.00 × 104 0.252 5.12 × 104
1.49 × 104 0.375 7.61 × 104
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.03 0.00162 82.5
5.00 0.00202 102
6.00 0.00242 123
7.00 0.00282 143
8.00 0.00322 164
9.00 0.00363 184
10.0 0.00403 205
20.0 0.00806 409
30.0 0.0121 614
40.0 0.0161 819
50.0 0.0202 1020
60.0 0.0242 1230
70.0 0.0282 1430
80.0 0.0322 1640
90.0 0.0363 1840
100 0.0403 2050
200 0.0806 4090
300 0.121 6140
400 0.161 8190
500 0.202 1.02 × 104
600 0.242 1.23 × 104
700 0.282 1.43 × 104
800 0.322 1.64 × 104
900 0.363 1.84 × 104
1000 0.403 2.05 × 104
2000 0.806 4.09 × 104
3000 1.21 6.14 × 104
3720 1.50 7.61 × 104
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.03 0.00822 186
5.00 0.0102 230
6.00 0.0122 276
7.00 0.0143 322
8.00 0.0163 368
9.00 0.0184 414
10.0 0.0204 460
20.0 0.0408 921
30.0 0.0612 1380
40.0 0.0816 1840
50.0 0.102 2300
60.0 0.122 2760
70.0 0.143 3220
80.0 0.163 3680
90.0 0.184 4140
100 0.204 4600
200 0.408 9210
300 0.612 1.38 × 104
400 0.816 1.84 × 104
500 1.02 2.30 × 104
600 1.22 2.76 × 104
700 1.43 3.22 × 104
800 1.63 3.68 × 104
900 1.84 4.14 × 104
1000 2.04 4.60 × 104
1650 3.38 7.61 × 104
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.03 0.0260 330
5.00 0.0322 409
6.00 0.0387 491
7.00 0.0451 573
8.00 0.0516 655
9.00 0.0580 737
10.0 0.0645 819
20.0 0.129 1640
30.0 0.193 2460
40.0 0.258 3270
50.0 0.322 4090
60.0 0.387 4910
70.0 0.451 5730
80.0 0.516 6550
90.0 0.580 7370
100 0.645 8190
200 1.29 1.64 × 104
300 1.93 2.46 × 104
400 2.58 3.27 × 104
500 3.22 4.09 × 104
600 3.87 4.91 × 104
700 4.51 5.73 × 104
800 5.16 6.55 × 104
900 5.80 7.37 × 104
930 6.00 7.61 × 104
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.03 0.0635 515
5.00 0.0787 639
6.00 0.0945 767
7.00 0.110 895
8.00 0.126 1020
9.00 0.142 1150
10.0 0.157 1280
20.0 0.315 2560
30.0 0.472 3840
40.0 0.630 5120
50.0 0.787 6390
60.0 0.945 7670
70.0 1.10 8950
80.0 1.26 1.02 × 104
90.0 1.42 1.15 × 104
100 1.57 1.28 × 104
200 3.15 2.56 × 104
300 4.72 3.84 × 104
381 6.00 4.87 × 104
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.03 0.132 742
5.00 0.163 921
6.00 0.196 1110
7.00 0.229 1290
8.00 0.261 1470
9.00 0.294 1660
10.0 0.327 1840
20.0 0.653 3680
30.0 0.980 5530
40.0 1.31 7370
50.0 1.63 9210
60.0 1.96 1.11 × 104
70.0 2.29 1.29 × 104
80.0 2.61 1.47 × 104
90.0 2.94 1.66 × 104
100 3.27 1.84 × 104
184 6.00 3.38 × 104
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.03 0.416 1320
5.00 0.516 1640
6.00 0.619 1960
7.00 0.722 2290
8.00 0.826 2620
9.00 0.929 2950
10.0 1.03 3270
20.0 2.06 6550
30.0 3.10 9820
40.0 4.13 1.31 × 104
50.0 5.16 1.64 × 104
58.1 6.00 1.90 × 104
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.03 1.02 2060
5.00 1.26 2560
6.00 1.51 3070
7.00 1.76 3580
8.00 2.02 4090
9.00 2.27 4600
10.0 2.52 5120
20.0 5.04 1.02 × 104
23.8 6.00 1.22 × 104
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.03 2.11 2970
5.00 2.61 3680
6.00 3.13 4420
7.00 3.66 5160
8.00 4.18 5890
9.00 4.70 6630
10.0 5.22 7370
11.5 6.00 8460
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_mid (in) stress_max (psi)
4.03 3.90 4040
5.00 4.84 5010
6.00 5.81 6020
6.20 6.00 6220
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