L8X4X5/8 Steel Angle — Section Properties

Dimensions

Property Value Unit
Leg Length (leg) 8 20.32 cm
Leg Thickness (t) 0.625 1.59 cm
Area (A) 7.16 in² 46.2 cm²
Weight 24.2 lb/ft 36.0 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 47 8.11 in⁴
Elastic Section Modulus (S) 9.2 2.62 in³
Plastic Section Modulus (Z) 16.1 4.86 in³
Radius of Gyration (r) 2.56 1.06 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 0.955 in⁴
Warping Constant (Cw) 3.42 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a L8X4X5/8 angle? 24.2 lb/ft (36.0 kg/m).

What is the section modulus of L8X4X5/8? Sx = 9.2 in³, Zx = 16.1 in³ (strong axis). Sy = 2.62 in³, Zy = 4.86 in³ (weak axis).

What steel grade is standard for L8X4X5/8? ASTM A36 (Fy = 36 ksi) for angles. Verify with mill certificate.

What is the moment of inertia of L8X4X5/8? Ix = 47 in⁴ about the strong axis and Iy = 8.11 in⁴ about the weak axis. The radius of gyration is rx = 2.56 in and ry = 1.06 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.