HSS5X4X3/8 Steel Rectangular HSS — Section Properties

Dimensions

Property Value Unit
Height (h) 5 127.0 mm
Width (w) 4 101.6 mm
Wall Thickness (t) 0.375 9.5 mm
Area (A) 5.48 in² 35.4 cm²
Weight 19.82 lb/ft 29.5 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 17.9 12.6 in⁴
Elastic Section Modulus (S) 7.17 6.3 in³
Plastic Section Modulus (Z) 8.96 7.67 in³
Radius of Gyration (r) 1.81 1.52 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 24.9 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS5X4X3/8 section? 19.82 lb/ft (29.5 kg/m).

What is the section modulus of HSS5X4X3/8? Sx = 7.17 in³, Zx = 8.96 in³ (strong axis). Sy = 6.3 in³, Zy = 7.67 in³ (weak axis).

What steel grade is standard for HSS5X4X3/8? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.

What is the moment of inertia of HSS5X4X3/8? Ix = 17.9 in⁴ about the strong axis and Iy = 12.6 in⁴ about the weak axis. The radius of gyration is rx = 1.81 in and ry = 1.52 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.