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Aluminum I Beam: 6.00 × 4.030
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Four 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 four equal spans, we compute the displacement at the middle of the first and fourth spans, and the maximum normal stress stress_max occuring at the second and fourth supports 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_max (in) stress_max (psi)
4.03 1.59 × 10-5 6.36
5.00 1.97 × 10-5 7.89
6.00 2.37 × 10-5 9.47
7.00 2.76 × 10-5 11.0
8.00 3.16 × 10-5 12.6
9.00 3.55 × 10-5 14.2
10.0 3.95 × 10-5 15.8
20.0 7.90 × 10-5 31.6
30.0 1.18 × 10-4 47.3
40.0 1.58 × 10-4 63.1
50.0 1.97 × 10-4 78.9
60.0 2.37 × 10-4 94.7
70.0 2.76 × 10-4 110
80.0 3.16 × 10-4 126
90.0 3.55 × 10-4 142
100 3.95 × 10-4 158
200 7.90 × 10-4 316
300 0.00118 473
400 0.00158 631
500 0.00197 789
600 0.00237 947
700 0.00276 1100
800 0.00316 1260
900 0.00355 1420
1000 0.00395 1580
2000 0.00790 3160
3000 0.0118 4730
4000 0.0158 6310
5000 0.0197 7890
6000 0.0237 9470
7000 0.0276 1.10 × 104
8000 0.0316 1.26 × 104
9000 0.0355 1.42 × 104
1.00 × 104 0.0395 1.58 × 104
2.00 × 104 0.0790 3.16 × 104
3.00 × 104 0.118 4.73 × 104
4.00 × 104 0.158 6.31 × 104
4.83 × 104 0.191 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_max (in) stress_max (psi)
4.03 1.23 × 10-4 17.7
5.00 1.52 × 10-4 21.9
6.00 1.83 × 10-4 26.3
7.00 2.13 × 10-4 30.7
8.00 2.44 × 10-4 35.1
9.00 2.74 × 10-4 39.5
10.0 3.05 × 10-4 43.8
20.0 6.10 × 10-4 87.7
30.0 9.14 × 10-4 132
40.0 0.00122 175
50.0 0.00152 219
60.0 0.00183 263
70.0 0.00213 307
80.0 0.00244 351
90.0 0.00274 395
100 0.00305 438
200 0.00610 877
300 0.00914 1320
400 0.0122 1750
500 0.0152 2190
600 0.0183 2630
700 0.0213 3070
800 0.0244 3510
900 0.0274 3950
1000 0.0305 4380
2000 0.0610 8770
3000 0.0914 1.32 × 104
4000 0.122 1.75 × 104
5000 0.152 2.19 × 104
6000 0.183 2.63 × 104
7000 0.213 3.07 × 104
8000 0.244 3.51 × 104
9000 0.274 3.95 × 104
1.00 × 104 0.305 4.38 × 104
1.74 × 104 0.529 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_max (in) stress_max (psi)
4.03 0.00197 70.7
5.00 0.00244 87.7
6.00 0.00293 105
7.00 0.00341 123
8.00 0.00390 140
9.00 0.00439 158
10.0 0.00488 175
20.0 0.00975 351
30.0 0.0146 526
40.0 0.0195 701
50.0 0.0244 877
60.0 0.0293 1050
70.0 0.0341 1230
80.0 0.0390 1400
90.0 0.0439 1580
100 0.0488 1750
200 0.0975 3510
300 0.146 5260
400 0.195 7010
500 0.244 8770
600 0.293 1.05 × 104
700 0.341 1.23 × 104
800 0.390 1.40 × 104
900 0.439 1.58 × 104
1000 0.488 1.75 × 104
2000 0.975 3.51 × 104
3000 1.46 5.26 × 104
4000 1.95 7.01 × 104
4340 2.12 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_max (in) stress_max (psi)
4.03 0.00995 159
5.00 0.0123 197
6.00 0.0148 237
7.00 0.0173 276
8.00 0.0197 316
9.00 0.0222 355
10.0 0.0247 395
20.0 0.0494 789
30.0 0.0741 1180
40.0 0.0987 1580
50.0 0.123 1970
60.0 0.148 2370
70.0 0.173 2760
80.0 0.197 3160
90.0 0.222 3550
100 0.247 3950
200 0.494 7890
300 0.741 1.18 × 104
400 0.987 1.58 × 104
500 1.23 1.97 × 104
600 1.48 2.37 × 104
700 1.73 2.76 × 104
800 1.97 3.16 × 104
900 2.22 3.55 × 104
1000 2.47 3.95 × 104
1930 4.76 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_max (in) stress_max (psi)
4.03 0.0314 283
5.00 0.0390 351
6.00 0.0468 421
7.00 0.0546 491
8.00 0.0624 561
9.00 0.0702 631
10.0 0.0780 701
20.0 0.156 1400
30.0 0.234 2100
40.0 0.312 2810
50.0 0.390 3510
60.0 0.468 4210
70.0 0.546 4910
80.0 0.624 5610
90.0 0.702 6310
100 0.780 7010
200 1.56 1.40 × 104
300 2.34 2.10 × 104
400 3.12 2.81 × 104
500 3.90 3.51 × 104
600 4.68 4.21 × 104
700 5.46 4.91 × 104
769 6.00 5.39 × 104
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
4.03 0.0768 442
5.00 0.0952 548
6.00 0.114 658
7.00 0.133 767
8.00 0.152 877
9.00 0.171 986
10.0 0.190 1100
20.0 0.381 2190
30.0 0.571 3290
40.0 0.762 4380
50.0 0.952 5480
60.0 1.14 6580
70.0 1.33 7670
80.0 1.52 8770
90.0 1.71 9860
100 1.90 1.10 × 104
200 3.81 2.19 × 104
300 5.71 3.29 × 104
315 6.00 3.45 × 104
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
4.03 0.159 636
5.00 0.197 789
6.00 0.237 947
7.00 0.276 1100
8.00 0.316 1260
9.00 0.355 1420
10.0 0.395 1580
20.0 0.790 3160
30.0 1.18 4730
40.0 1.58 6310
50.0 1.97 7890
60.0 2.37 9470
70.0 2.76 1.10 × 104
80.0 3.16 1.26 × 104
90.0 3.55 1.42 × 104
100 3.95 1.58 × 104
152 6.00 2.40 × 104
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
4.03 0.503 1130
5.00 0.624 1400
6.00 0.749 1680
7.00 0.874 1960
8.00 0.999 2240
9.00 1.12 2520
10.0 1.25 2810
20.0 2.50 5610
30.0 3.74 8420
40.0 4.99 1.12 × 104
48.1 6.00 1.35 × 104
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
4.03 1.23 1770
5.00 1.52 2190
6.00 1.83 2630
7.00 2.13 3070
8.00 2.44 3510
9.00 2.74 3950
10.0 3.05 4380
19.7 6.00 8630
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
4.03 2.55 2540
5.00 3.16 3160
6.00 3.79 3790
7.00 4.42 4420
8.00 5.06 5050
9.00 5.69 5680
9.49 6.00 5990
Aluminum I Beam: 6.00 × 4.030 (6.00 inch tall × 4.030 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
4.03 4.72 3460
5.00 5.85 4300
5.12 6.00 4400
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