AISC Double Angles & Section Properties

AISC 2L shapes are back-to-back double-angle assemblies used for built-up members, braces and truss chords.

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AISC Shapes Database v16.0 · 2,299 sections

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AISC 2L dimensions and section properties in imperial units
Designation Weight (lb/ft) Depth, d (in) Width (in) Area (in²) Ix (in⁴) Iy (in⁴) Sx (in³)
2L6x6x9/16 43.8 6 6 12.9 44 81.3 10.2
2L6x6x9/16x3/4 43.8 6 6 12.9 44 99.7 10.2
2L6x6x9/16x3/8 43.8 6 6 12.9 44 89.9 10.2
2L8x6x1/2SLBB 46 6 8 13.6 43.5 170 9.58
2L8x6x1/2x3/4SLBB 46 6 8 13.6 43.5 197 9.58
2L8x6x1/2x3/8SLBB 46 6 8 13.6 43.5 184 9.58
2L6x4x3/4LLBB 47.2 6 4 13.9 49 33.4 12.5
2L6x4x3/4x3/4LLBB 47.2 6 4 13.9 49 46.5 12.5
2L6x4x3/4x3/8LLBB 47.2 6 4 13.9 49 39.2 12.5
2L6x6x5/8 48.4 6 6 14.3 48.2 90.8 11.3
2L6x6x5/8x3/4 48.4 6 6 14.3 48.2 111 11.3
2L6x6x5/8x3/8 48.4 6 6 14.3 48.2 100 11.3
2L8x6x9/16SLBB 51.4 6 8 15.2 48.2 192 10.7
2L8x6x9/16x3/4SLBB 51.4 6 8 15.2 48.2 223 10.7
2L8x6x9/16x3/8SLBB 51.4 6 8 15.2 48.2 207 10.7
2L6x4x7/8LLBB 54.4 6 4 16 55.4 39.4 14.3
2L6x4x7/8x3/4LLBB 54.4 6 4 16 55.4 55.4 14.3
2L6x4x7/8x3/8LLBB 54.4 6 4 16 55.4 46.8 14.3
2L8x6x5/8SLBB 57 6 8 16.8 52.8 214 11.8
2L8x6x5/8x3/4SLBB 57 6 8 16.8 52.8 248 11.8
2L8x6x5/8x3/8SLBB 57 6 8 16.8 52.8 230 11.8
2L6x6x3/4 57.4 6 6 16.9 56.2 109 13.3
2L6x6x3/4x3/4 57.4 6 6 16.9 56.2 133 13.3
2L6x6x3/4x3/8 57.4 6 6 16.9 56.2 120 13.3
2L6x6x7/8 66.2 6 6 19.5 63.8 128 15.2
2L6x6x7/8x3/4 66.2 6 6 19.5 63.8 157 15.2
2L6x6x7/8x3/8 66.2 6 6 19.5 63.8 142 15.2
2L8x6x3/4SLBB 67.6 6 8 20 61.5 258 13.8
2L8x6x3/4x3/4SLBB 67.6 6 8 20 61.5 298 13.8
2L8x6x3/4x3/8SLBB 67.6 6 8 20 61.5 277 13.8
2L6x6x1 74.8 6 6 22 70.8 146 17.1
2L6x6x1x3/4 74.8 6 6 22 70.8 180 17.1
2L6x6x1x3/8 74.8 6 6 22 70.8 163 17.1
2L8x6x7/8SLBB 78.2 6 8 23 69.8 300 15.9
2L8x6x7/8x3/4SLBB 78.2 6 8 23 69.8 348 15.9
2L8x6x7/8x3/8SLBB 78.2 6 8 23 69.8 323 15.9
2L8x6x1SLBB 88.4 6 8 26.2 77.6 345 17.8
2L8x6x1x3/4SLBB 88.4 6 8 26.2 77.6 401 17.8
2L8x6x1x3/8SLBB 88.4 6 8 26.2 77.6 372 17.8
2L5x3x1/4LLBB 13.2 5 3 3.88 10.2 4.44 3.02
2L5x3x1/4x3/4LLBB 13.2 5 3 3.88 10.2 6.86 3.02
2L5x3x1/4x3/8LLBB 13.2 5 3 3.88 10.2 5.49 3.02
2L5x3-1/2x1/4LLBB 14 5 3.5 4.14 10.7 7.1 3.1
2L5x3-1/2x1/4x3/4LLBB 14 5 3.5 4.14 10.7 10.2 3.1
2L5x3-1/2x1/4x3/8LLBB 14 5 3.5 4.14 10.7 8.47 3.1
2L5x3x5/16LLBB 16.4 5 3 4.82 12.5 5.62 3.74
2L5x3x5/16x3/4LLBB 16.4 5 3 4.82 12.5 8.78 3.74
2L5x3x5/16x3/8LLBB 16.4 5 3 4.82 12.5 7.06 3.74
2L5x3-1/2x5/16LLBB 17.4 5 3.5 5.12 13.2 8.92 3.84
2L5x3-1/2x5/16x3/4LLBB 17.4 5 3.5 5.12 13.2 12.8 3.84
2L5x3-1/2x5/16x3/8LLBB 17.4 5 3.5 5.12 13.2 10.6 3.84
2L5x3x3/8LLBB 19.6 5 3 5.72 14.7 6.8 4.44
2L5x3x3/8x3/4LLBB 19.6 5 3 5.72 14.7 10.6 4.44
2L5x3x3/8x3/8LLBB 19.6 5 3 5.72 14.7 8.51 4.44
2L5x5x5/16 20.6 5 5 6.14 14.9 26.1 4.08
2L5x5x5/16x3/4 20.6 5 5 6.14 14.9 33 4.08
2L5x5x5/16x3/8 20.6 5 5 6.14 14.9 29.4 4.08
2L5x3-1/2x3/8LLBB 20.8 5 3.5 6.1 15.5 10.8 4.56
2L5x3-1/2x3/8x3/4LLBB 20.8 5 3.5 6.1 15.5 15.4 4.56
2L5x3-1/2x3/8x3/8LLBB 20.8 5 3.5 6.1 15.5 13 4.56
2L5x3x7/16LLBB 22.6 5 3 6.62 16.8 8.01 5.12
2L5x3x7/16x3/4LLBB 22.6 5 3 6.62 16.8 12.6 5.12
2L5x3x7/16x3/8LLBB 22.6 5 3 6.62 16.8 10 5.12
2L5x5x3/8 24.6 5 5 7.3 17.5 31.3 4.82
2L5x5x3/8x3/4 24.6 5 5 7.3 17.5 40 4.82
2L5x5x3/8x3/8 24.6 5 5 7.3 17.5 35.3 4.82
2L5x3x1/2LLBB 25.6 5 3 7.5 18.9 9.24 5.78
2L5x3x1/2x3/4LLBB 25.6 5 3 7.5 18.9 14.5 5.78
2L5x3x1/2x3/8LLBB 25.6 5 3 7.5 18.9 11.5 5.78
2L5x3-1/2x1/2LLBB 27.2 5 3.5 8 20 14.6 5.94
2L5x3-1/2x1/2x3/4LLBB 27.2 5 3.5 8 20 21 5.94
2L5x3-1/2x1/2x3/8LLBB 27.2 5 3.5 8 20 17.5 5.94
2L5x5x7/16 28.6 5 5 8.44 20 36.5 5.56
2L5x5x7/16x3/4 28.6 5 5 8.44 20 46.6 5.56
2L5x5x7/16x3/8 28.6 5 5 8.44 20 41.2 5.56
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Source: AISC Shapes Database v16.0 · Methodology