2L3-1/2×3-1/2×7/16×3/8 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.

2L3-1/2×3-1/2×7/16×3/8 has equal 3 1/2 in. legs, 7/16 in. thick, in contact back to back.

It weighs 19.6 lb per foot.

For strong-axis bending its section modulus is Sx = 2.64 in³ and its moment of inertia Ix = 6.5 in⁴, with a plastic modulus Zx = 4.72 in³.

Detailing dimensions

Long leg3 1/2"
Short leg3 1/2"
Thickness (t)7/16"

Section properties

Weight19.6 lb/ft
Area (A)5.78 in²
Ix6.5 in⁴
Sx2.64 in³
Zx4.72 in³
rx1.06 in
Iy15 in⁴
Sy4.07 in³
Zy7.04 in³
ry1.61 in

Similar weight double angles

Comparable 19.6 lb/ft sections in other double angle sizes.

2L4×4×3/819.6 lb/ft · Sx 3 in³2L4×4×3/8×3/819.6 lb/ft · Sx 3 in³2L4×4×3/8×3/419.6 lb/ft · Sx 3 in³2L3-1/2×3-1/2×7/1619.6 lb/ft · Sx 2.64 in³2L3-1/2×3-1/2×7/16×3/419.6 lb/ft · Sx 2.64 in³2L6×3-1/2×5/16LLBB19.6 lb/ft · Sx 5.44 in³2L6×3-1/2×5/16×3/8LLBB19.6 lb/ft · Sx 5.44 in³2L6×3-1/2×5/16×3/4LLBB19.6 lb/ft · Sx 5.44 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 2L3-1/2×3-1/2×7/16×3/8 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Double angles · Steel Beam Size Chart

Interactive drawing