2L5×3-1/2×5/16×3/8SLBB 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.

2L5×3-1/2×5/16×3/8SLBB has a 5 in. long leg and a 3 1/2 in. short leg, 5/16 in. thick, in contact back to back.

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

It weighs 17.4 lb per foot.

For strong-axis bending its section modulus is Sx = 2.01 in³ and its moment of inertia Ix = 5.38 in⁴, with a plastic modulus Zx = 3.55 in³.

Detailing dimensions

Long leg5"
Short leg3 1/2"
Thickness (t)5/16"

Section properties

Weight17.4 lb/ft
Area (A)5.12 in²
Ix5.38 in⁴
Sx2.01 in³
Zx3.55 in³
rx1.02 in
Iy29 in⁴
Sy5.59 in³
Zy9 in³
ry2.38 in

Similar weight double angles

Comparable 17.4 lb/ft sections in other double angle sizes.

2L5×3-1/2×5/16LLBB17.4 lb/ft · Sx 3.84 in³2L5×3-1/2×5/16×3/8LLBB17.4 lb/ft · Sx 3.84 in³2L5×3-1/2×5/16×3/4LLBB17.4 lb/ft · Sx 3.84 in³2L5×3-1/2×5/16SLBB17.4 lb/ft · Sx 2.01 in³2L5×3-1/2×5/16×3/4SLBB17.4 lb/ft · Sx 2.01 in³2L3-1/2×3-1/2×3/817 lb/ft · Sx 2.3 in³2L3-1/2×3-1/2×3/8×3/817 lb/ft · Sx 2.3 in³2L3-1/2×3-1/2×3/8×3/417 lb/ft · Sx 2.3 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 2L5×3-1/2×5/16×3/8SLBB cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Double angles · Steel Beam Size Chart

Interactive drawing