HSS8.625X0.188 Steel Round HSS — Section Properties

Dimensions

Property Value Unit
Outer Diameter (OD) 8.63 219.2 mm
Wall Thickness (t) 0.188 4.8 mm
Area (A) 4.62 in² 29.8 cm²
Weight 16.96 lb/ft 25.2 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 41.3 41.3 in⁴
Elastic Section Modulus (S) 9.57 9.57 in³
Plastic Section Modulus (Z) 12.4 12.4 in³
Radius of Gyration (r) 2.99 2.99 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 82.5 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS8.625X0.188 section? 16.96 lb/ft (25.2 kg/m).

What is the section modulus of HSS8.625X0.188? Sx = 9.57 in³, Zx = 12.4 in³ (strong axis). Sy = 9.57 in³, Zy = 12.4 in³ (weak axis).

What steel grade is standard for HSS8.625X0.188? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.

What is the moment of inertia of HSS8.625X0.188? Ix = 41.3 in⁴ about the strong axis and Iy = 41.3 in⁴ about the weak axis. The radius of gyration is rx = 2.99 in and ry = 2.99 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.