CHCalcHandbook

Angle (L) Section — Equal and Unequal Legs

Section Properties · Angle · A, C, I, S, r, Ixy, principal axes, Z, J
1

Geometry

Horizontal leg b₁, vertical leg b₂, thickness t
Principal axes: For an angle, Ixy ≠ 0; the minimum moment of inertia I₂ occurs about a principal axis and governs the buckling check. θ is the counter-clockwise angle from the x-axis to axis 1.
2

Geometric properties

Area, centroid, moment of inertia, elastic section modulus, radius of gyration
3

Plastic modulus and torsion

Zx, Zy, shape factor, J
4

Principal axes

Ixy, θ, I₁, I₂