2L3-1/2×3-1/2×5/16×3/4 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.

2L3-1/2×3-1/2×5/16×3/4 has equal 3 1/2 in. legs, 5/16 in. thick, in contact back to back.

It weighs 14.4 lb per foot.

For strong-axis bending its section modulus is Sx = 1.94 in³ and its moment of inertia Ix = 4.88 in⁴, with a plastic modulus Zx = 3.48 in³.

Detailing dimensions

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

Section properties

Weight14.4 lb/ft
Area (A)4.2 in²
Ix4.88 in⁴
Sx1.94 in³
Zx3.48 in³
rx1.08 in
Iy12.6 in⁴
Sy3.25 in³
Zy5.69 in³
ry1.73 in

Similar weight double angles

Comparable 14.4 lb/ft sections in other double angle sizes.

2L3-1/2×3-1/2×5/1614.4 lb/ft · Sx 1.94 in³2L3-1/2×3-1/2×5/16×3/814.4 lb/ft · Sx 1.94 in³2L3×3×3/814.4 lb/ft · Sx 1.65 in³2L3×3×3/8×3/814.4 lb/ft · Sx 1.65 in³2L3×3×3/8×3/414.4 lb/ft · Sx 1.65 in³2L4×3×5/16LLBB14.4 lb/ft · Sx 2.44 in³2L4×3×5/16×3/8LLBB14.4 lb/ft · Sx 2.44 in³2L4×3×5/16×3/4LLBB14.4 lb/ft · Sx 2.44 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 2L3-1/2×3-1/2×5/16×3/4 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Double angles · Steel Beam Size Chart

Interactive drawing