L8X8X7/8 Steel Angle — Section Properties

Dimensions

Property Value Unit
Leg Length (leg) 8 20.32 cm
Leg Thickness (t) 0.875 2.22 cm
Area (A) 13.3 in² 85.8 cm²
Weight 45 lb/ft 67.0 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 79.7 79.7 in⁴
Elastic Section Modulus (S) 14 14 in³
Plastic Section Modulus (Z) 25.3 25.3 in³
Radius of Gyration (r) 2.45 2.45 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 3.46 in⁴
Warping Constant (Cw) 16.1 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a L8X8X7/8 angle? 45 lb/ft (67.0 kg/m).

What is the section modulus of L8X8X7/8? Sx = 14 in³, Zx = 25.3 in³ (strong axis). Sy = 14 in³, Zy = 25.3 in³ (weak axis).

What steel grade is standard for L8X8X7/8? ASTM A36 (Fy = 36 ksi) for angles. Verify with mill certificate.

What is the moment of inertia of L8X8X7/8? Ix = 79.7 in⁴ about the strong axis and Iy = 79.7 in⁴ about the weak axis. The radius of gyration is rx = 2.45 in and ry = 2.45 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.