HSS9X5X1/2 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 9 228.6 mm
Width (w) 5 127.0 mm
Wall Thickness (t) 0.5 12.7 mm
Area (A) 11.6 in² 74.8 cm²
Weight 42.05 lb/ft 62.6 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 115 45.2 in⁴
Elastic Section Modulus (S) 25.5 18.1 in³
Plastic Section Modulus (Z) 32.5 21.5 in³
Radius of Gyration (r) 3.14 1.97 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 109 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS9X5X1/2 section? 42.05 lb/ft (62.6 kg/m).

What is the section modulus of HSS9X5X1/2? Sx = 25.5 in³, Zx = 32.5 in³ (strong axis). Sy = 18.1 in³, Zy = 21.5 in³ (weak axis).

What steel grade is standard for HSS9X5X1/2? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS9X5X1/2? Ix = 115 in⁴ about the strong axis and Iy = 45.2 in⁴ about the weak axis. The radius of gyration is rx = 3.14 in and ry = 1.97 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.