L4x3x1/4 (L4x3x.25) – L Shapes - Unequal Leg Angles

L4x3x1/4 is an unequal-leg angle with 4 in (102 mm) x 3 in (76 mm) legs, 1/4 in (6 mm) thick, weighing 5.8 lb/ft (8.6 kg/m).

Unequal leg angles have two legs of different sizes meeting at a right angle, which lets you place the longer leg where the span or connection needs it. They share the practical advantages of all angles: inexpensive, easy to cut, drill, bolt and weld, and useful wherever a structure needs bracing, a connection element or a lightweight framing member. The unequal geometry suits lintels over doors and windows, shelf angles, unequal-leg bracing, truss members and general fabrication work where one direction carries more load than the other.

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Dimensions

PropertyValue
Nominal Weight (lb/ft)5.8
Leg Size (in)3.0
Leg Size (in)4.0
Nominal Thickness (in)0.25

Full sortable table: Dimensions table for this family

Section Properties

PropertyValue
Ix (in⁴)2.75
Zx (in³)1.77
Sx (in³)0.988
rx (in)1.27
Iy (in⁴)1.33
Zy (in³)1.03
Sy (in³)0.585
ry (in)0.887
Iz (in⁴)0.692
rz (in)0.639
Sz (in³)0.474
J (in⁴)0.0386
Cw (in⁶)0.0356
ro (in)1.99

Full sortable table: Section properties table for this family