2L6×3-1/2×1/2×3/4SLBB 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.

2L6×3-1/2×1/2×3/4SLBB 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 short legs back-to-back.

It weighs 30.6 lb per foot.

For strong-axis bending its section modulus is Sx = 3.17 in³ and its moment of inertia Ix = 8.47 in⁴, with a plastic modulus Zx = 5.77 in³.

Detailing dimensions

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

Section properties

Weight30.6 lb/ft
Area (A)9 in²
Ix8.47 in⁴
Sx3.17 in³
Zx5.77 in³
rx0.968 in
Iy87 in⁴
Sy13.6 in³
Zy22 in³
ry3.11 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 in³2L6×3-1/2×1/2×3/8LLBB30.6 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 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 2L6×3-1/2×1/2×3/4SLBB cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Double angles · Steel Beam Size Chart

Interactive drawing