Aluminum I-Beams

Dimensions and static properties of aluminum I-beams - Imperial units

american wide flange beam

Properties in imperial units of aluminum I-beams are indicated below.

Designation Dimensions Static Parameters
Moment of Inertia Section Modulus
Imperial
(in x in)
Depth
- h -
(in)
With
- w -
(in)
Web Thickness
- s -
(in)
Sectional Area
(in2)
Weight
(lb/ft)
Ix
(in4)
Iy
(in4)
Wx
(in3)
Wy
(in3)
3 x 2 1/2 3 2 1/2 0.13 1.39 1.64 2.24 0.52 1.49 0.42
3 x 2 1/2 3 2 1/2 0.15 1.73 2.03 2.71 0.68 1.81 0.54
4 x 3 4 3 0.15 1.97 2.31 5.62 1.04 2.81 0.69
4 x 3 4 3 0.17 2.38 2.79 6.71 1.31 3.36 0.87
5 x 3 1/2 5 3 1/2 0.19 3.15 3.70 13.9 2.29 5.58 1.31
6 x 4 6 4 0.19 3.43 4.03 22.0 3.10 7.33 1.55
6 x 4 6 4 0.21 3.99 4.69 25.5 3.74 8.50 1.87
7 x 4 1/2 7 4 1/2 0.23 4.93 5.80 42.9 5.78 12.3 2.57
8 x 5 8 5 0.23 5.26 6.18 59.7 7.30 14.9 2.92
8 x 5 8 5 0.25 5.97 7.02 67.8 8.55 16.9 3.42
9 x 5 1/2 9 5 1/2 0.27 7.11 8.36 102 12.2 22.7 4.44
10 x 6 10 6 0.25 7.35 8.65 132 14.8 26.42 4.93
10 x 6 10 6 0.29 8.75 10.29 156 18.0 31.2 6.01
12 x 7 12 7 0.29 9.93 11.67 256 26.9 42.6 7.69
12 x 7 12 7 0.31 12.2 14.29 317 35.5 52.9 10.1
  • 1 cm4 = 10-8 m = 104 mm
  • 1 in4 = 4.16x105 mm4 = 41.6 cm4
  • 1 cm3 = 10-6 m = 103 mm

I-shaped cross-section beams:

  • Britain : Universal Beams (UB) and Universal Columns (UC)
  • Europe : IPE. HE. HL. HD and other sections
  • US : Wide Flange (WF) and H sections

Related Topics

  • Beams and Columns - Deflection and stress, moment of inertia, section modulus and technical information of beams and columns

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