HSS5X4X1/2 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 5 127.0 mm
Width (w) 4 101.6 mm
Wall Thickness (t) 0.5 12.7 mm
Area (A) 6.95 in² 44.8 cm²
Weight 25.03 lb/ft 37.2 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 21.2 14.9 in⁴
Elastic Section Modulus (S) 8.49 7.43 in³
Plastic Section Modulus (Z) 10.9 9.35 in³
Radius of Gyration (r) 1.75 1.46 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 30.3 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS5X4X1/2 section? 25.03 lb/ft (37.2 kg/m).

What is the section modulus of HSS5X4X1/2? Sx = 8.49 in³, Zx = 10.9 in³ (strong axis). Sy = 7.43 in³, Zy = 9.35 in³ (weak axis).

What steel grade is standard for HSS5X4X1/2? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS5X4X1/2? Ix = 21.2 in⁴ about the strong axis and Iy = 14.9 in⁴ about the weak axis. The radius of gyration is rx = 1.75 in and ry = 1.46 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.