L3X3X1/2 Steel Angle — Section Properties

Dimensions

Property Value Unit
Leg Length (leg) 3 7.62 cm
Leg Thickness (t) 0.5 1.27 cm
Area (A) 2.76 in² 17.8 cm²
Weight 9.4 lb/ft 14.0 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 2.2 2.2 in⁴
Elastic Section Modulus (S) 1.06 1.06 in³
Plastic Section Modulus (Z) 1.91 1.91 in³
Radius of Gyration (r) 0.895 0.895 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 0.23 in⁴
Warping Constant (Cw) 0.144 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a L3X3X1/2 angle? 9.4 lb/ft (14.0 kg/m).

What is the section modulus of L3X3X1/2? Sx = 1.06 in³, Zx = 1.91 in³ (strong axis). Sy = 1.06 in³, Zy = 1.91 in³ (weak axis).

What steel grade is standard for L3X3X1/2? ASTM A36 (Fy = 36 ksi) for angles. Verify with mill certificate.

What is the moment of inertia of L3X3X1/2? Ix = 2.2 in⁴ about the strong axis and Iy = 2.2 in⁴ about the weak axis. The radius of gyration is rx = 0.895 in and ry = 0.895 in.

Related Pages


Educational reference only. Verify all section properties against the current AISC Manual and mill certificates before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.