2L3-1/2×3-1/2×3/8 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.

2L3-1/2×3-1/2×3/8 has equal 3 1/2 in. legs, 3/8 in. thick, in contact back to back.

It weighs 17 lb per foot.

For strong-axis bending its section modulus is Sx = 2.3 in³ and its moment of inertia Ix = 5.72 in⁴, with a plastic modulus Zx = 4.12 in³.

Detailing dimensions

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

Section properties

Weight17 lb/ft
Area (A)5 in²
Ix5.72 in⁴
Sx2.3 in³
Zx4.12 in³
rx1.07 in
Iy10.8 in⁴
Sy3.09 in³
Zy5 in³
ry1.47 in

Similar weight double angles

Comparable 17 lb/ft sections in other double angle sizes.

2L3-1/2×3-1/2×3/8×3/817 lb/ft · Sx 2.3 in³2L3-1/2×3-1/2×3/8×3/417 lb/ft · Sx 2.3 in³2L4×3×3/8LLBB17 lb/ft · Sx 2.88 in³2L4×3×3/8×3/8LLBB17 lb/ft · Sx 2.88 in³2L4×3×3/8×3/4LLBB17 lb/ft · Sx 2.88 in³2L3×2-1/2×1/2LLBB17 lb/ft · Sx 2.06 in³2L3×2-1/2×1/2×3/8LLBB17 lb/ft · Sx 2.06 in³2L3×2-1/2×1/2×3/4LLBB17 lb/ft · Sx 2.06 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 2L3-1/2×3-1/2×3/8 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Double angles · Steel Beam Size Chart

Interactive drawing