HSS5X3X1/2 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 5 127.0 mm
Width (w) 3 76.2 mm
Wall Thickness (t) 0.5 12.7 mm
Area (A) 6.02 in² 38.8 cm²
Weight 21.63 lb/ft 32.2 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 16.4 7.18 in⁴
Elastic Section Modulus (S) 6.57 4.78 in³
Plastic Section Modulus (Z) 8.83 6.1 in³
Radius of Gyration (r) 1.65 1.09 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 17.6 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS5X3X1/2 section? 21.63 lb/ft (32.2 kg/m).

What is the section modulus of HSS5X3X1/2? Sx = 6.57 in³, Zx = 8.83 in³ (strong axis). Sy = 4.78 in³, Zy = 6.1 in³ (weak axis).

What steel grade is standard for HSS5X3X1/2? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS5X3X1/2? Ix = 16.4 in⁴ about the strong axis and Iy = 7.18 in⁴ about the weak axis. The radius of gyration is rx = 1.65 in and ry = 1.09 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.