HSS24X8X5/16 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 24 609.6 mm
Width (w) 8 203.2 mm
Wall Thickness (t) 0.313 7.9 mm
Area (A) 18.1 in² 116.8 cm²
Weight 65.87 lb/ft 98.0 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 1250 224 in⁴
Elastic Section Modulus (S) 104 56 in³
Plastic Section Modulus (Z) 132 61 in³
Radius of Gyration (r) 8.3 3.52 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 625 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS24X8X5/16 section? 65.87 lb/ft (98.0 kg/m).

What is the section modulus of HSS24X8X5/16? Sx = 104 in³, Zx = 132 in³ (strong axis). Sy = 56 in³, Zy = 61 in³ (weak axis).

What steel grade is standard for HSS24X8X5/16? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS24X8X5/16? Ix = 1250 in⁴ about the strong axis and Iy = 224 in⁴ about the weak axis. The radius of gyration is rx = 8.3 in and ry = 3.52 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.