HSS6.625X0.280 Steel Round HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Outer Diameter (OD) | 6.63 | 168.4 mm |
| Wall Thickness (t) | 0.28 | 7.1 mm |
| Area (A) | 5.2 in² | 33.5 cm² |
| Weight | 18.99 lb/ft | 28.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 26.4 | 26.4 | in⁴ |
| Elastic Section Modulus (S) | 7.96 | 7.96 | in³ |
| Plastic Section Modulus (Z) | 10.5 | 10.5 | in³ |
| Radius of Gyration (r) | 2.25 | 2.25 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 52.7 | in⁴ |
| Warping Constant (Cw) | 0 | in⁶ |
Design Resources
- Section Properties Database — Compare with other sections
- Steel Grades Reference — Material properties
Frequently Asked Questions
What is the weight of a HSS6.625X0.280 section? 18.99 lb/ft (28.3 kg/m).
What is the section modulus of HSS6.625X0.280? Sx = 7.96 in³, Zx = 10.5 in³ (strong axis). Sy = 7.96 in³, Zy = 10.5 in³ (weak axis).
What steel grade is standard for HSS6.625X0.280? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.
What is the moment of inertia of HSS6.625X0.280? Ix = 26.4 in⁴ about the strong axis and Iy = 26.4 in⁴ about the weak axis. The radius of gyration is rx = 2.25 in and ry = 2.25 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.