L3-1/2×3-1/2×1/2 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.

L3-1/2×3-1/2×1/2 has equal 3 1/2 in. legs, 1/2 in. thick.

It weighs 11.1 lb per foot.

For strong-axis bending its section modulus is Sx = 1.48 in³ and its moment of inertia Ix = 3.63 in⁴, with a plastic modulus Zx = 2.66 in³.

Detailing dimensions

Long leg3 1/2"
Short leg3 1/2"
Thickness (t)1/2"
k (detailing)7/8"

Section properties

Weight11.1 lb/ft
Area (A)3.25 in²
Ix3.63 in⁴
Sx1.48 in³
Zx2.66 in³
rx1.05 in
Iy3.63 in⁴
Sy1.48 in³
Zy2.66 in³
ry1.05 in
J0.281 in⁴

Similar weight angles

Comparable 11.1 lb/ft sections in other angle sizes.

L4×3×1/211.1 lb/ft · Sx 1.87 in³L5×3×7/1611.3 lb/ft · Sx 2.56 in³L4×4×7/1611.3 lb/ft · Sx 1.73 in³L6×3-1/2×3/811.7 lb/ft · Sx 3.23 in³L5×3-1/2×3/810.4 lb/ft · Sx 2.28 in³L6×4×5/1610.3 lb/ft · Sx 2.77 in³L5×5×5/1610.3 lb/ft · Sx 2.04 in³L4×3-1/2×1/211.9 lb/ft · Sx 1.92 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 L3-1/2×3-1/2×1/2 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Angles · Steel Beam Size Chart

Interactive drawing