HSS9X7X3/16 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 9 228.6 mm
Width (w) 7 177.8 mm
Wall Thickness (t) 0.188 4.8 mm
Area (A) 5.37 in² 34.6 cm²
Weight 19.63 lb/ft 29.2 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 64.7 44.1 in⁴
Elastic Section Modulus (S) 14.4 12.6 in³
Plastic Section Modulus (Z) 16.9 14.3 in³
Radius of Gyration (r) 3.47 2.87 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 81.7 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS9X7X3/16 section? 19.63 lb/ft (29.2 kg/m).

What is the section modulus of HSS9X7X3/16? Sx = 14.4 in³, Zx = 16.9 in³ (strong axis). Sy = 12.6 in³, Zy = 14.3 in³ (weak axis).

What steel grade is standard for HSS9X7X3/16? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS9X7X3/16? Ix = 64.7 in⁴ about the strong axis and Iy = 44.1 in⁴ about the weak axis. The radius of gyration is rx = 3.47 in and ry = 2.87 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.