HSS4.000X0.226 Steel Round HSS — Section Properties

Dimensions

Property Value Unit
Outer Diameter (OD) 4 101.6 mm
Wall Thickness (t) 0.226 5.7 mm
Area (A) 2.5 in² 16.1 cm²
Weight 9.12 lb/ft 13.6 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 4.5 4.5 in⁴
Elastic Section Modulus (S) 2.25 2.25 in³
Plastic Section Modulus (Z) 3.02 3.02 in³
Radius of Gyration (r) 1.34 1.34 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 9.01 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS4.000X0.226 section? 9.12 lb/ft (13.6 kg/m).

What is the section modulus of HSS4.000X0.226? Sx = 2.25 in³, Zx = 3.02 in³ (strong axis). Sy = 2.25 in³, Zy = 3.02 in³ (weak axis).

What steel grade is standard for HSS4.000X0.226? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.

What is the moment of inertia of HSS4.000X0.226? Ix = 4.5 in⁴ about the strong axis and Iy = 4.5 in⁴ about the weak axis. The radius of gyration is rx = 1.34 in and ry = 1.34 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.