Machinery's Handbook, 31st Edition
Aluminum Sections
2701
Table 7. Aluminum Association Standard Structural Shapes
Y
Y
Flange thickness
Flange thickness
Width Web thickness
Width
Web thickness
Depth
Depth
I-Beams
Channels
X
X
X
X
x
Fillet radius
Fillet radius
Y
Y
Axis X - X
Axis Y - Y
I
S
r
I
S
r
x
inch inch lb.
inch 2
inch inch inch inch 4
inch 3
inch inch 4 inch 3 inch inch
I-BEAMS 3.00 2.50 1.637 1.392 0.20 0.13 0.25 2.24 1.49 1.27 3.00 2.50 2.030 1.726 0.26 0.15 0.25 2.71 1.81 1.25 4.00 3.00 2.311 1.965 0.23 0.15 0.25 5.62 2.81 1.69 4.00 3.00 2.793 2.375 0.29 0.17 0.25 6.71 3.36 1.68 5.00 3.50 3.700 3.146 0.32 0.19 0.30 13.94 5.58 2.11 6.00 4.00 4.030 3.427 0.29 0.19 0.30 21.99 7.33 2.53 6.00 4.00 4.692 3.990 0.35 0.21 0.30 25.50 8.50 2.53 7.00 4.50 5.800 4.932 0.38 0.23 0.30 42.89 12.25 2.95 8.00 5.00 6.181 5.256 0.35 0.23 0.30 59.69 14.92 3.37 8.00 5.00 7.023 5.972 0.41 0.25 0.30 67.78 16.94 3.37
0.52 0.42 0.61 … 0.68 0.54 0.63 … 1.04 0.69 0.73 … 1.31 0.87 0.74 … 2.29 1.31 0.85 … 3.10 1.55 0.95 … 3.74 1.87 0.97 … 5.78 2.57 1.08 … 7.30 2.92 1.18 …
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 … CHANNELS 2.00 1.00 0.577 0.491 0.13 0.13 0.10 0.288 0.288 0.766 0.045 0.064 0.303 0.298 2.00 1.25 1.071 0.911 0.26 0.17 0.15 0.546 0.546 0.774 0.139 0.178 0.391 0.471 3.00 1.50 1.135 0.965 0.20 0.13 0.25 1.41 0.94 1.21 0.22 0.22 0.47 0.49 3.00 1.75 1.597 1.358 0.26 0.17 0.25 1.97 1.31 1.20 0.42 0.37 0.55 0.62 4.00 2.00 1.738 1.478 0.23 0.15 0.25 3.91 1.95 1.63 0.60 0.45 0.64 0.65 4.00 2.25 2.331 1.982 0.29 0.19 0.25 5.21 2.60 1.62 1.02 0.69 0.72 0.78 5.00 2.25 2.212 1.881 0.26 0.15 0.30 7.88 3.15 2.05 0.98 0.64 0.72 0.73 5.00 2.75 3.089 2.627 0.32 0.19 0.30 11.14 4.45 2.06 2.05 1.14 0.88 0.95 6.00 2.50 2.834 2.410 0.29 0.17 0.30 14.35 4.78 2.44 1.53 0.90 0.80 0.79 6.00 3.25 4.030 3.427 0.35 0.21 0.30 21.04 7.01 2.48 3.76 1.76 1.05 1.12 7.00 2.75 3.205 2.725 0.29 0.17 0.30 22.09 6.31 2.85 2.10 1.10 0.88 0.84 7.00 3.50 4.715 4.009 0.38 0.21 0.30 33.79 9.65 2.90 5.13 2.23 1.13 1.20 8.00 3.00 4.147 3.526 0.35 0.19 0.30 37.40 9.35 3.26 3.25 1.57 0.96 0.93 8.00 3.75 5.789 4.923 0.41 0.25 0.35 52.69 13.17 3.27 7.13 2.82 1.20 1.22 9.00 3.25 4.983 4.237 0.35 0.23 0.35 54.41 12.09 3.58 4.40 1.89 1.02 0.93 9.00 4.00 6.970 5.927 0.44 0.29 0.35 78.31 17.40 3.63 9.61 3.49 1.27 1.25 10.00 3.50 6.136 5.218 0.41 0.25 0.35 83.22 16.64 3.99 6.33 2.56 1.10 1.02 10.00 4.25 8.360 7.109 0.50 0.31 0.40 116.15 23.23 4.04 13.02 4.47 1.35 1.34 12.00 4.00 8.274 7.036 0.47 0.29 0.40 159.76 26.63 4.77 11.03 3.86 1.25 1.14 12.00 5.00 11.822 10.053 0.62 0.35 0.45 239.69 39.95 4.88 25.74 7.60 1.60 1.61 Structural sections are available in 6061-T6 aluminum alloy. Data supplied by The Aluminum Association.
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