HSS6.875X0.375 Steel Round HSS — Section Properties

Dimensions

Property Value Unit
Outer Diameter (OD) 6.88 174.8 mm
Wall Thickness (t) 0.375 9.5 mm
Area (A) 7.16 in² 46.2 cm²
Weight 26.06 lb/ft 38.8 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 38.2 38.2 in⁴
Elastic Section Modulus (S) 11.1 11.1 in³
Plastic Section Modulus (Z) 14.9 14.9 in³
Radius of Gyration (r) 2.31 2.31 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 76.4 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS6.875X0.375 section? 26.06 lb/ft (38.8 kg/m).

What is the section modulus of HSS6.875X0.375? Sx = 11.1 in³, Zx = 14.9 in³ (strong axis). Sy = 11.1 in³, Zy = 14.9 in³ (weak axis).

What steel grade is standard for HSS6.875X0.375? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.

What is the moment of inertia of HSS6.875X0.375? Ix = 38.2 in⁴ about the strong axis and Iy = 38.2 in⁴ about the weak axis. The radius of gyration is rx = 2.31 in and ry = 2.31 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.