2L5×3-1/2×1/2×3/8LLBB 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.

2L5×3-1/2×1/2×3/8LLBB has a 5 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 27.2 lb per foot.

For strong-axis bending its section modulus is Sx = 5.94 in³ and its moment of inertia Ix = 20 in⁴, with a plastic modulus Zx = 10.7 in³.

Detailing dimensions

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

Section properties

Weight27.2 lb/ft
Area (A)8 in²
Ix20 in⁴
Sx5.94 in³
Zx10.7 in³
rx1.58 in
Iy17.5 in⁴
Sy4.75 in³
Zy8.71 in³
ry1.48 in

Similar weight double angles

Comparable 27.2 lb/ft sections in other double angle sizes.

2L7×4×3/8LLBB27.2 lb/ft · Sx 8.84 in³2L7×4×3/8×3/8LLBB27.2 lb/ft · Sx 8.84 in³2L7×4×3/8×3/4LLBB27.2 lb/ft · Sx 8.84 in³2L5×3-1/2×1/2LLBB27.2 lb/ft · Sx 5.94 in³2L5×3-1/2×1/2×3/4LLBB27.2 lb/ft · Sx 5.94 in³2L4×3×5/8LLBB27.2 lb/ft · Sx 4.56 in³2L4×3×5/8×3/8LLBB27.2 lb/ft · Sx 4.56 in³2L4×3×5/8×3/4LLBB27.2 lb/ft · Sx 4.56 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 2L5×3-1/2×1/2×3/8LLBB cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Double angles · Steel Beam Size Chart

Interactive drawing