L3-1/2×3×5/16 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.

L3-1/2×3×5/16 has a 3 1/2 in. long leg and a 3 in. short leg, 5/16 in. thick.

It weighs 6.6 lb per foot.

For strong-axis bending its section modulus is Sx = 0.951 in³ and its moment of inertia Ix = 2.33 in⁴, with a plastic modulus Zx = 1.72 in³.

Detailing dimensions

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

Section properties

Weight6.6 lb/ft
Area (A)1.95 in²
Ix2.33 in⁴
Sx0.951 in³
Zx1.72 in³
rx1.09 in
Iy1.58 in⁴
Sy0.718 in³
Zy1.28 in³
ry0.9 in
J0.068 in⁴

Similar weight angles

Comparable 6.6 lb/ft sections in other angle sizes.

L5×3×1/46.6 lb/ft · Sx 1.51 in³L4×4×1/46.6 lb/ft · Sx 1.03 in³L3×2-1/2×3/86.6 lb/ft · Sx 0.803 in³L4×3-1/2×1/46.2 lb/ft · Sx 1.01 in³L5×3-1/2×1/47 lb/ft · Sx 1.55 in³L3-1/2×2-1/2×5/166.1 lb/ft · Sx 0.925 in³L3×3×5/166.1 lb/ft · Sx 0.699 in³L4×3×5/167.2 lb/ft · Sx 1.22 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 L3-1/2×3×5/16 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Angles · Steel Beam Size Chart

Interactive drawing