HSS9X3X3/16 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 9 228.6 mm
Width (w) 3 76.2 mm
Wall Thickness (t) 0.188 4.8 mm
Area (A) 3.98 in² 25.7 cm²
Weight 14.53 lb/ft 21.6 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 37.6 6.64 in⁴
Elastic Section Modulus (S) 8.35 4.42 in³
Plastic Section Modulus (Z) 10.8 4.92 in³
Radius of Gyration (r) 3.07 1.29 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 18.9 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS9X3X3/16 section? 14.53 lb/ft (21.6 kg/m).

What is the section modulus of HSS9X3X3/16? Sx = 8.35 in³, Zx = 10.8 in³ (strong axis). Sy = 4.42 in³, Zy = 4.92 in³ (weak axis).

What steel grade is standard for HSS9X3X3/16? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS9X3X3/16? Ix = 37.6 in⁴ about the strong axis and Iy = 6.64 in⁴ about the weak axis. The radius of gyration is rx = 3.07 in and ry = 1.29 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.