HSS7.500X0.250 Steel Round HSS — Section Properties

Dimensions

Property Value Unit
Outer Diameter (OD) 7.5 190.5 mm
Wall Thickness (t) 0.25 6.3 mm
Area (A) 5.32 in² 34.3 cm²
Weight 19.38 lb/ft 28.8 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 35.2 35.2 in⁴
Elastic Section Modulus (S) 9.37 9.37 in³
Plastic Section Modulus (Z) 12.3 12.3 in³
Radius of Gyration (r) 2.57 2.57 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 70.3 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS7.500X0.250 section? 19.38 lb/ft (28.8 kg/m).

What is the section modulus of HSS7.500X0.250? Sx = 9.37 in³, Zx = 12.3 in³ (strong axis). Sy = 9.37 in³, Zy = 12.3 in³ (weak axis).

What steel grade is standard for HSS7.500X0.250? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.

What is the moment of inertia of HSS7.500X0.250? Ix = 35.2 in⁴ about the strong axis and Iy = 35.2 in⁴ about the weak axis. The radius of gyration is rx = 2.57 in and ry = 2.57 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.