L3-1/2×3-1/2×5/16 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.

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

It weighs 7.2 lb per foot.

For strong-axis bending its section modulus is Sx = 0.969 in³ and its moment of inertia Ix = 2.44 in⁴, with a plastic modulus Zx = 1.74 in³.

Detailing dimensions

Long leg3 1/2"
Short leg3 1/2"
Thickness (t)5/16"
k (detailing)11/16"

Section properties

Weight7.2 lb/ft
Area (A)2.1 in²
Ix2.44 in⁴
Sx0.969 in³
Zx1.74 in³
rx1.08 in
Iy2.44 in⁴
Sy0.969 in³
Zy1.74 in³
ry1.08 in
J0.0731 in⁴

Similar weight angles

Comparable 7.2 lb/ft sections in other angle sizes.

L4×3×5/167.2 lb/ft · Sx 1.22 in³L3-1/2×2-1/2×3/87.2 lb/ft · Sx 1.09 in³L3×3×3/87.2 lb/ft · Sx 0.825 in³L5×3-1/2×1/47 lb/ft · Sx 1.55 in³L3×2-1/2×7/167.6 lb/ft · Sx 0.921 in³L4×3-1/2×5/167.7 lb/ft · Sx 1.25 in³L3×2×1/27.7 lb/ft · Sx 1 in³L2-1/2×2-1/2×1/27.7 lb/ft · Sx 0.716 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 L3-1/2×3-1/2×5/16 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Angles · Steel Beam Size Chart

Interactive drawing