2L2-1/2×2×1/4×3/4SLBB 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.

2L2-1/2×2×1/4×3/4SLBB has a 2 1/2 in. long leg and a 2 in. short leg, 1/4 in. thick, in contact back to back.

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

It weighs 7.24 lb per foot.

For strong-axis bending its section modulus is Sx = 0.507 in³ and its moment of inertia Ix = 0.744 in⁴, with a plastic modulus Zx = 0.909 in³.

Detailing dimensions

Long leg2 1/2"
Short leg2"
Thickness (t)1/4"

Section properties

Weight7.24 lb/ft
Area (A)2.14 in²
Ix0.744 in⁴
Sx0.507 in³
Zx0.909 in³
rx0.589 in
Iy4.13 in⁴
Sy1.44 in³
Zy2.47 in³
ry1.39 in

Similar weight double angles

Comparable 7.24 lb/ft sections in other double angle sizes.

2L2-1/2×2×1/4LLBB7.24 lb/ft · Sx 0.762 in³2L2-1/2×2×1/4×3/8LLBB7.24 lb/ft · Sx 0.762 in³2L2-1/2×2×1/4×3/4LLBB7.24 lb/ft · Sx 0.762 in³2L2-1/2×2×1/4SLBB7.24 lb/ft · Sx 0.507 in³2L2-1/2×2×1/4×3/8SLBB7.24 lb/ft · Sx 0.507 in³2L3×3×3/167.42 lb/ft · Sx 0.866 in³2L3×3×3/16×3/87.42 lb/ft · Sx 0.866 in³2L3×3×3/16×3/47.42 lb/ft · Sx 0.866 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 2L2-1/2×2×1/4×3/4SLBB cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Double angles · Steel Beam Size Chart

Interactive drawing