HSS3.500X0.250 Steel Round HSS — Section Properties

Dimensions

Property Value Unit
Outer Diameter (OD) 3.5 88.9 mm
Wall Thickness (t) 0.25 6.3 mm
Area (A) 2.39 in² 15.4 cm²
Weight 8.69 lb/ft 12.9 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 3.21 3.21 in⁴
Elastic Section Modulus (S) 1.83 1.83 in³
Plastic Section Modulus (Z) 2.49 2.49 in³
Radius of Gyration (r) 1.16 1.16 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 6.41 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS3.500X0.250 section? 8.69 lb/ft (12.9 kg/m).

What is the section modulus of HSS3.500X0.250? Sx = 1.83 in³, Zx = 2.49 in³ (strong axis). Sy = 1.83 in³, Zy = 2.49 in³ (weak axis).

What steel grade is standard for HSS3.500X0.250? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.

What is the moment of inertia of HSS3.500X0.250? Ix = 3.21 in⁴ about the strong axis and Iy = 3.21 in⁴ about the weak axis. The radius of gyration is rx = 1.16 in and ry = 1.16 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.