Standard Aluminum I-Beam Size Table Specifications Section Properties

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Standard aluminum I-beams dimensional table chart including area moment of inertia, weight per ft. All Dimensional data given in inches.

Standard Aluminum I-Beam Size Table Specifications Section Propertie

Where:
I = Area Moment of Inertia, S = Section Modulus, r = Radius of Gyration, x = distance from center of gravity of section to oputer face of structural shape.

Depth
(in.)
Width
(in.)
Weight per Foot
lb.
Area
inch2
Flange
Thickness
(in.)
Web
Thickness
(in.)
Fillet
Radius
(in.)
Area Moment of Inertia
Ixx
inch4
S
inch3
r
(in.)
Area Moment of Inertia
Iyy
inch4
S
inch3
r
(in.)
x
(in.)
3.00
2.50
1.637
1.392
0.20
0.13
0.25
2.24
1.49
1.27
0.52
0.42
0.61
3.00
2.50
2.030
1.726
0.26
0.15
0.25
2.71
1.81
1.25
0.68
0.54
0.63
4.00
3.00
2.311
1.965
0.23
0.15
0.25
5.62
2.81
1.69
1.04
0.69
0.73
4.00
3.00
2.793
2.375
0.29
0.17
0.25
6.71
3.36
1.68
1.31
0.87
0.74
5.00
3.50
3.700
3.146
0.32
0.19
0.30
13.94
5.58
2.11
2.29
1.31
0.85
6.00
4.00
4.030
3.427
0.29
0.19
0.30
21.99
7.33
2.53
3.10
1.55
0.95
6.00
4.00
4.692
3.990
0.35
0.21
0.30
25.50
8.50
2.53
3.74
1.87
0.97
7.00
4.50
5.800
4.932
0.38
0.23
0.30
42.89
12.25
2.95
5.78
2.57
1.08
8.00
5.00
6.181
5.256
0.35
0.23
0.30
59.69
14.92
3.37
7.30
2.92
1.18
8.00
5.00
7.023
5.972
0.41
0.25
0.30
67.78
16.94
3.37
8.55
3.42
1.20
9.00
5.50
8.361
7.110
0.44
0.27
0.30
102.02
22.67
3.79
12.22
4.44
1.31
10.00
6.00
8.646
7.352
0.41
0.25
0.40
132.09
26.42
4.24
14.78
4.93
1.42
10.00
6.00
10.286
8.747
0.50
0.29
0.40
155.79
31.16
4.22
18.03
6.01
1.44
12.00
7.00
11.672
9.925
0.47
0.29
0.40
255.57
42.60
5.07
26.90
7.69
1.65
12.00
7.00
14.292
12.153
0.62
0.31
0.40
317.33
52.89
5.11
35.48
10.14
1.71