2L6×3-1/2×1/2×3/8LLBB double angle

Detailing dimensions and section properties from the AISC Shapes Database, 16th Edition. Values are shown to the nearest 1/16 in. as they appear on a shop drawing.

2L6×3-1/2×1/2×3/8LLBB has a 6 in. long leg and a 3 1/2 in. short leg, 1/2 in. thick, in contact back to back.

It is a double angle set with its long legs back-to-back.

It weighs 30.6 lb per foot.

For strong-axis bending its section modulus is Sx = 8.46 in³ and its moment of inertia Ix = 33.2 in⁴, with a plastic modulus Zx = 15 in³.

Detailing dimensions

Long leg6"
Short leg3 1/2"
Thickness (t)1/2"

Section properties

Weight30.6 lb/ft
Area (A)9 in²
Ix33.2 in⁴
Sx8.46 in³
Zx15 in³
rx1.92 in
Iy17.6 in⁴
Sy4.77 in³
Zy9.15 in³
ry1.4 in

Similar weight double angles

Comparable 30.6 lb/ft sections in other double angle sizes.

2L6×3-1/2×1/2LLBB30.6 lb/ft · Sx 8.46 in³2L6×3-1/2×1/2×3/4LLBB30.6 lb/ft · Sx 8.46 in³2L6×3-1/2×1/2SLBB30.6 lb/ft · Sx 3.17 in³2L6×3-1/2×1/2×3/8SLBB30.6 lb/ft · Sx 3.17 in³2L6×3-1/2×1/2×3/4SLBB30.6 lb/ft · Sx 3.17 in³2L4×4×5/831.4 lb/ft · Sx 4.76 in³2L4×4×5/8×3/831.4 lb/ft · Sx 4.76 in³2L4×4×5/8×3/431.4 lb/ft · Sx 4.76 in³

Detailing values are rounded to the nearest 1/16 in. per the AISC Steel Construction Manual. Verify critical dimensions against the current Manual before fabrication. Need 2L6×3-1/2×1/2×3/8LLBB cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Double angles · Steel Beam Size Chart

Interactive drawing