L3-1/2×3×1/4 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.

L3-1/2×3×1/4 has a 3 1/2 in. long leg and a 3 in. short leg, 1/4 in. thick.

It weighs 5.4 lb per foot.

For strong-axis bending its section modulus is Sx = 0.773 in³ and its moment of inertia Ix = 1.92 in⁴, with a plastic modulus Zx = 1.39 in³.

Detailing dimensions

Long leg3 1/2"
Short leg3"
Thickness (t)1/4"
k (detailing)5/8"

Section properties

Weight5.4 lb/ft
Area (A)1.58 in²
Ix1.92 in⁴
Sx0.773 in³
Zx1.39 in³
rx1.1 in
Iy1.3 in⁴
Sy0.585 in³
Zy1.04 in³
ry0.908 in
J0.036 in⁴

Similar weight angles

Comparable 5.4 lb/ft sections in other angle sizes.

L2-1/2×2×3/85.3 lb/ft · Sx 0.546 in³L3×2-1/2×5/165.6 lb/ft · Sx 0.681 in³L4×3×1/45.8 lb/ft · Sx 0.988 in³L3-1/2×3-1/2×1/45.8 lb/ft · Sx 0.787 in³L3×2×5/165 lb/ft · Sx 0.662 in³L2-1/2×2-1/2×5/165 lb/ft · Sx 0.474 in³L3-1/2×2-1/2×1/44.9 lb/ft · Sx 0.753 in³L3×3×1/44.9 lb/ft · Sx 0.569 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 L3-1/2×3×1/4 cut, formed, or fabricated? Huntington Steel & Supply Co.

Browse more: Angles · Steel Beam Size Chart

Interactive drawing