L3x3x5/16 (L3x3x.3125) – L Shapes - Equal Leg Angles

L3x3x5/16 is an equal-leg angle with 3 in (76 mm) legs, 5/16 in (8 mm) thick, weighing 6.1 lb/ft (9.1 kg/m).

Equal leg angles are one of the simplest and most versatile structural sections, with two legs of the same size meeting at a right angle. Their simplicity is their strength: angles are inexpensive, easy to cut, drill, bolt and weld, and useful almost anywhere a structure needs bracing, a connection element or a lightweight framing member. Common applications include diagonal bracing, truss web members, framing clips and connection angles, ladder and frame components, and general-purpose fabrication work where a full I-shaped or channel section would be unnecessary.

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Dimensions

PropertyValue
Nominal Weight (lb/ft)6.1
Leg Size (in)3.0
Leg Size (in)3.0
Nominal Thickness (in)0.313

Full sortable table: Dimensions table for this family

Section Properties

PropertyValue
Ix (in⁴)1.5
Zx (in³)1.26
Sx (in³)0.699
rx (in)0.918
Iy (in⁴)1.5
Zy (in³)1.26
Sy (in³)0.699
ry (in)0.918
Iz (in⁴)0.606
rz (in)0.583
Sz (in³)0.497
J (in⁴)0.0597
Cw (in⁶)0.039
ro (in)1.64
H (-)0.63

Full sortable table: Section properties table for this family