2L3-1/2×3×3/8×3/8SLBB 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.

2L3-1/2×3×3/8×3/8SLBB has a 3 1/2 in. long leg and a 3 in. short leg, 3/8 in. thick, in contact back to back.

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

It weighs 15.8 lb per foot.

For strong-axis bending its section modulus is Sx = 1.69 in³ and its moment of inertia Ix = 3.69 in⁴, with a plastic modulus Zx = 3.04 in³.

Detailing dimensions

Long leg3 1/2"
Short leg3"
Thickness (t)3/8"

Section properties

Weight15.8 lb/ft
Area (A)4.64 in²
Ix3.69 in⁴
Sx1.69 in³
Zx3.04 in³
rx0.892 in
Iy12.8 in⁴
Sy3.47 in³
Zy5.83 in³
ry1.66 in

Similar weight double angles

Comparable 15.8 lb/ft sections in other double angle sizes.

2L3-1/2×3×3/8LLBB15.8 lb/ft · Sx 2.24 in³2L3-1/2×3×3/8×3/8LLBB15.8 lb/ft · Sx 2.24 in³2L3-1/2×3×3/8×3/4LLBB15.8 lb/ft · Sx 2.24 in³2L3-1/2×3×3/8SLBB15.8 lb/ft · Sx 1.69 in³2L3-1/2×3×3/8×3/4SLBB15.8 lb/ft · Sx 1.69 in³2L2-1/2×2-1/2×1/215.4 lb/ft · Sx 1.43 in³2L2-1/2×2-1/2×1/2×3/815.4 lb/ft · Sx 1.43 in³2L2-1/2×2-1/2×1/2×3/415.4 lb/ft · Sx 1.43 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 2L3-1/2×3×3/8×3/8SLBB cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Double angles · Steel Beam Size Chart

Interactive drawing