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)
2L7x4x7/16SLBB 31.4 4 7 9.26 11.6 99.6 3.72
2L7x4x7/16x3/4SLBB 31.4 4 7 9.26 11.6 117 3.72
2L7x4x7/16x3/8SLBB 31.4 4 7 9.26 11.6 108 3.72
2L6x4x1/2SLBB 32.4 4 6 9.5 12.4 71.8 4.12
2L6x4x1/2x3/4SLBB 32.4 4 6 9.5 12.4 87.2 4.12
2L6x4x1/2x3/8SLBB 32.4 4 6 9.5 12.4 79.3 4.12
2L8x4x7/16SLBB 34.4 4 8 10.2 12.1 149 3.81
2L8x4x7/16x3/4SLBB 34.4 4 8 10.2 12.1 171 3.81
2L8x4x7/16x3/8SLBB 34.4 4 8 10.2 12.1 160 3.81
2L7x4x1/2SLBB 35.8 4 7 10.5 13 114 4.2
2L7x4x1/2x3/4SLBB 35.8 4 7 10.5 13 134 4.2
2L7x4x1/2x3/8SLBB 35.8 4 7 10.5 13 124 4.2
2L6x4x9/16SLBB 36.2 4 6 10.6 13.7 80.7 4.58
2L6x4x9/16x3/4SLBB 36.2 4 6 10.6 13.7 98 4.58
2L6x4x9/16x3/8SLBB 36.2 4 6 10.6 13.7 89.1 4.58
2L4x4x3/4 37 4 4 10.9 15.2 32.6 5.58
2L4x4x3/4x3/4 37 4 4 10.9 15.2 44.9 5.58
2L4x4x3/4x3/8 37 4 4 10.9 15.2 38.5 5.58
2L8x4x1/2SLBB 39.2 4 8 11.6 13.5 170 4.29
2L8x4x1/2x3/4SLBB 39.2 4 8 11.6 13.5 197 4.29
2L8x4x1/2x3/8SLBB 39.2 4 8 11.6 13.5 183 4.29
2L6x4x5/8SLBB 40 4 6 11.7 15 89.8 5.03
2L6x4x5/8x3/4SLBB 40 4 6 11.7 15 110 5.03
2L6x4x5/8x3/8SLBB 40 4 6 11.7 15 99.1 5.03
2L8x4x9/16SLBB 43.8 4 8 13 14.9 193 4.77
2L8x4x9/16x3/4SLBB 43.8 4 8 13 14.9 222 4.77
2L8x4x9/16x3/8SLBB 43.8 4 8 13 14.9 207 4.77
2L7x4x5/8SLBB 44.2 4 7 13 15.6 142 5.12
2L7x4x5/8x3/4SLBB 44.2 4 7 13 15.6 168 5.12
2L7x4x5/8x3/8SLBB 44.2 4 7 13 15.6 156 5.12
2L6x4x3/4SLBB 47.2 4 6 13.9 17.3 109 5.9
2L6x4x3/4x3/4SLBB 47.2 4 6 13.9 17.3 132 5.9
2L6x4x3/4x3/8SLBB 47.2 4 6 13.9 17.3 120 5.9
2L8x4x5/8SLBB 48.4 4 8 14.3 16.2 213 5.23
2L8x4x5/8x3/4SLBB 48.4 4 8 14.3 16.2 246 5.23
2L8x4x5/8x3/8SLBB 48.4 4 8 14.3 16.2 229 5.23
2L7x4x3/4SLBB 52.4 4 7 15.5 18 173 6.01
2L7x4x3/4x3/4SLBB 52.4 4 7 15.5 18 204 6.01
2L7x4x3/4x3/8SLBB 52.4 4 7 15.5 18 188 6.01
2L6x4x7/8SLBB 54.4 4 6 16 19.4 127 6.74
2L6x4x7/8x3/4SLBB 54.4 4 6 16 19.4 155 6.74
2L6x4x7/8x3/8SLBB 54.4 4 6 16 19.4 140 6.74
2L8x4x3/4SLBB 57.4 4 8 17 18.7 257 6.14
2L8x4x3/4x3/4SLBB 57.4 4 8 17 18.7 297 6.14
2L8x4x3/4x3/8SLBB 57.4 4 8 17 18.7 276 6.14
2L8x4x7/8SLBB 66.2 4 8 19.6 21.1 300 7.02
2L8x4x7/8x3/4SLBB 66.2 4 8 19.6 21.1 347 7.02
2L8x4x7/8x3/8SLBB 66.2 4 8 19.6 21.1 323 7.02
2L8x4x1SLBB 74.8 4 8 22.2 23.3 345 7.87
2L8x4x1x3/4SLBB 74.8 4 8 22.2 23.3 397 7.87
2L8x4x1x3/8SLBB 74.8 4 8 22.2 23.3 370 7.87
2L3-1/2x2-1/2x1/4LLBB 9.8 3.5 2.5 2.9 3.62 2.62 1.51
2L3-1/2x2-1/2x1/4x3/4LLBB 9.8 3.5 2.5 2.9 3.62 4.32 1.51
2L3-1/2x2-1/2x1/4x3/8LLBB 9.8 3.5 2.5 2.9 3.62 3.38 1.51
2L3-1/2x3x1/4LLBB 10.8 3.5 3 3.16 3.84 4.47 1.55
2L3-1/2x3x1/4x3/4LLBB 10.8 3.5 3 3.16 3.84 6.74 1.55
2L3-1/2x3x1/4x3/8LLBB 10.8 3.5 3 3.16 3.84 5.51 1.55
2L3-1/2x3-1/2x1/4 11.6 3.5 3.5 3.4 4 7.05 1.57
2L3-1/2x3-1/2x1/4x3/4 11.6 3.5 3.5 3.4 4 10.1 1.57
2L3-1/2x3-1/2x1/4x3/8 11.6 3.5 3.5 3.4 4 8.38 1.57
2L3-1/2x2-1/2x5/16LLBB 12.2 3.5 2.5 3.58 4.4 3.3 1.85
2L3-1/2x2-1/2x5/16x3/4LLBB 12.2 3.5 2.5 3.58 4.4 5.5 1.85
2L3-1/2x2-1/2x5/16x3/8LLBB 12.2 3.5 2.5 3.58 4.4 4.25 1.85
2L4x3-1/2x1/4SLBB 12.4 3.5 4 3.64 4.13 10.5 1.59
2L4x3-1/2x1/4x3/4SLBB 12.4 3.5 4 3.64 4.13 14.1 1.59
2L4x3-1/2x1/4x3/8SLBB 12.4 3.5 4 3.64 4.13 12.2 1.59
2L3-1/2x3x5/16LLBB 13.2 3.5 3 3.9 4.66 5.62 1.9
2L3-1/2x3x5/16x3/4LLBB 13.2 3.5 3 3.9 4.66 8.54 1.9
2L3-1/2x3x5/16x3/8LLBB 13.2 3.5 3 3.9 4.66 6.9 1.9
2L5x3-1/2x1/4SLBB 14 3.5 5 4.14 4.4 20.6 1.63
2L5x3-1/2x1/4x3/4SLBB 14 3.5 5 4.14 4.4 26.1 1.63
2L5x3-1/2x1/4x3/8SLBB 14 3.5 5 4.14 4.4 23.3 1.63
2L3-1/2x2-1/2x3/8LLBB 14.4 3.5 2.5 4.24 5.12 3.99 2.18
2L3-1/2x2-1/2x3/8x3/4LLBB 14.4 3.5 2.5 4.24 5.12 6.63 2.18
2L3-1/2x2-1/2x3/8x3/8LLBB 14.4 3.5 2.5 4.24 5.12 5.22 2.18
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Source: AISC Shapes Database v16.0 · Methodology