HSS5X3X3/8 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 5 127.0 mm
Width (w) 3 76.2 mm
Wall Thickness (t) 0.375 9.5 mm
Area (A) 4.78 in² 30.8 cm²
Weight 17.27 lb/ft 25.7 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 14.1 6.25 in⁴
Elastic Section Modulus (S) 5.65 4.16 in³
Plastic Section Modulus (Z) 7.34 5.1 in³
Radius of Gyration (r) 1.72 1.14 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 14.9 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS5X3X3/8 section? 17.27 lb/ft (25.7 kg/m).

What is the section modulus of HSS5X3X3/8? Sx = 5.65 in³, Zx = 7.34 in³ (strong axis). Sy = 4.16 in³, Zy = 5.1 in³ (weak axis).

What steel grade is standard for HSS5X3X3/8? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS5X3X3/8? Ix = 14.1 in⁴ about the strong axis and Iy = 6.25 in⁴ about the weak axis. The radius of gyration is rx = 1.72 in and ry = 1.14 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.