2L6×3-1/2×5/16SLBB 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.

2L6×3-1/2×5/16SLBB has a 6 in. long leg and a 3 1/2 in. short leg, 5/16 in. thick, in contact back to back.

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

It weighs 19.6 lb per foot.

For strong-axis bending its section modulus is Sx = 2.07 in³ and its moment of inertia Ix = 5.68 in⁴, with a plastic modulus Zx = 3.65 in³.

Detailing dimensions

Long leg6"
Short leg3 1/2"
Thickness (t)5/16"

Section properties

Weight19.6 lb/ft
Area (A)5.78 in²
Ix5.68 in⁴
Sx2.07 in³
Zx3.65 in³
rx0.991 in
Iy44.7 in⁴
Sy7.45 in³
Zy11.6 in³
ry2.78 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 in³2L3-1/2×3-1/2×7/16×3/819.6 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 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 2L6×3-1/2×5/16SLBB cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Double angles · Steel Beam Size Chart

Interactive drawing