HSS6.875X0.188 Steel Round HSS — Section Properties

Dimensions

Property Value Unit
Outer Diameter (OD) 6.88 174.8 mm
Wall Thickness (t) 0.188 4.8 mm
Area (A) 3.66 in² 23.6 cm²
Weight 13.44 lb/ft 20.0 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 20.6 20.6 in⁴
Elastic Section Modulus (S) 5.99 5.99 in³
Plastic Section Modulus (Z) 7.81 7.81 in³
Radius of Gyration (r) 2.37 2.37 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 41.1 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS6.875X0.188 section? 13.44 lb/ft (20.0 kg/m).

What is the section modulus of HSS6.875X0.188? Sx = 5.99 in³, Zx = 7.81 in³ (strong axis). Sy = 5.99 in³, Zy = 7.81 in³ (weak axis).

What steel grade is standard for HSS6.875X0.188? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.

What is the moment of inertia of HSS6.875X0.188? Ix = 20.6 in⁴ about the strong axis and Iy = 20.6 in⁴ about the weak axis. The radius of gyration is rx = 2.37 in and ry = 2.37 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.