HSS3.500X0.313 Steel Round HSS — Section Properties

Dimensions

Property Value Unit
Outer Diameter (OD) 3.5 88.9 mm
Wall Thickness (t) 0.313 8.0 mm
Area (A) 2.93 in² 18.9 cm²
Weight 10.66 lb/ft 15.9 kg/m

Elastic Section Properties

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 3.81 3.81 in⁴
Elastic Section Modulus (S) 2.18 2.18 in³
Plastic Section Modulus (Z) 3 3 in³
Radius of Gyration (r) 1.14 1.14 in

Torsional Properties

Property Value Unit
Torsional Constant (J) 7.61 in⁴
Warping Constant (Cw) 0 in⁶

Design Resources

Frequently Asked Questions

What is the weight of a HSS3.500X0.313 section? 10.66 lb/ft (15.9 kg/m).

What is the section modulus of HSS3.500X0.313? Sx = 2.18 in³, Zx = 3 in³ (strong axis). Sy = 2.18 in³, Zy = 3 in³ (weak axis).

What steel grade is standard for HSS3.500X0.313? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.

What is the moment of inertia of HSS3.500X0.313? Ix = 3.81 in⁴ about the strong axis and Iy = 3.81 in⁴ about the weak axis. The radius of gyration is rx = 1.14 in and ry = 1.14 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.