HSS8.625X0.250 Steel Round HSS — Section Properties

Dimensions

Property Value Unit
Outer Diameter (OD) 8.63 219.2 mm
Wall Thickness (t) 0.25 6.3 mm
Area (A) 6.14 in² 39.6 cm²
Weight 22.38 lb/ft 33.3 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 54.1 54.1 in⁴
Elastic Section Modulus (S) 12.5 12.5 in³
Plastic Section Modulus (Z) 16.4 16.4 in³
Radius of Gyration (r) 2.97 2.97 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 108 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS8.625X0.250 section? 22.38 lb/ft (33.3 kg/m).

What is the section modulus of HSS8.625X0.250? Sx = 12.5 in³, Zx = 16.4 in³ (strong axis). Sy = 12.5 in³, Zy = 16.4 in³ (weak axis).

What steel grade is standard for HSS8.625X0.250? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.

What is the moment of inertia of HSS8.625X0.250? Ix = 54.1 in⁴ about the strong axis and Iy = 54.1 in⁴ about the weak axis. The radius of gyration is rx = 2.97 in and ry = 2.97 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.