2L5×3-1/2×5/8×3/4SLBB 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.

2L5×3-1/2×5/8×3/4SLBB has a 5 in. long leg and a 3 1/2 in. short leg, 5/8 in. thick, in contact back to back.

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

It weighs 33.6 lb per foot.

For strong-axis bending its section modulus is Sx = 3.76 in³ and its moment of inertia Ix = 9.6 in⁴, with a plastic modulus Zx = 6.87 in³.

Detailing dimensions

Long leg5"
Short leg3 1/2"
Thickness (t)5/8"

Section properties

Weight33.6 lb/ft
Area (A)9.86 in²
Ix9.6 in⁴
Sx3.76 in³
Zx6.87 in³
rx0.987 in
Iy66.1 in⁴
Sy12.3 in³
Zy20.4 in³
ry2.59 in

Similar weight double angles

Comparable 33.6 lb/ft sections in other double angle sizes.

2L5×3-1/2×5/8LLBB33.6 lb/ft · Sx 7.26 in³2L5×3-1/2×5/8×3/8LLBB33.6 lb/ft · Sx 7.26 in³2L5×3-1/2×5/8×3/4LLBB33.6 lb/ft · Sx 7.26 in³2L5×3-1/2×5/8SLBB33.6 lb/ft · Sx 3.76 in³2L5×3-1/2×5/8×3/8SLBB33.6 lb/ft · Sx 3.76 in³2L6×6×7/1634.4 lb/ft · Sx 8.12 in³2L6×6×7/16×3/834.4 lb/ft · Sx 8.12 in³2L6×6×7/16×3/434.4 lb/ft · Sx 8.12 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 2L5×3-1/2×5/8×3/4SLBB cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Double angles · Steel Beam Size Chart

Interactive drawing