HSS9X5X1/4 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 9 228.6 mm
Width (w) 5 127.0 mm
Wall Thickness (t) 0.25 6.3 mm
Area (A) 6.17 in² 39.8 cm²
Weight 22.42 lb/ft 33.4 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 66.1 26.6 in⁴
Elastic Section Modulus (S) 14.7 10.6 in³
Plastic Section Modulus (Z) 18.1 12 in³
Radius of Gyration (r) 3.27 2.08 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 61.2 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS9X5X1/4 section? 22.42 lb/ft (33.4 kg/m).

What is the section modulus of HSS9X5X1/4? Sx = 14.7 in³, Zx = 18.1 in³ (strong axis). Sy = 10.6 in³, Zy = 12 in³ (weak axis).

What steel grade is standard for HSS9X5X1/4? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS9X5X1/4? Ix = 66.1 in⁴ about the strong axis and Iy = 26.6 in⁴ about the weak axis. The radius of gyration is rx = 3.27 in and ry = 2.08 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.