HSS6.625X0.125 Steel Round HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Outer Diameter (OD) | 6.63 | 168.4 mm |
| Wall Thickness (t) | 0.125 | 3.2 mm |
| Area (A) | 2.37 in² | 15.3 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) | 12.6 | 12.6 | in⁴ |
| Elastic Section Modulus (S) | 3.79 | 3.79 | in³ |
| Plastic Section Modulus (Z) | 4.92 | 4.92 | in³ |
| Radius of Gyration (r) | 2.3 | 2.3 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 25.1 | 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 HSS6.625X0.125 section? 8.69 lb/ft (12.9 kg/m).
What is the section modulus of HSS6.625X0.125? Sx = 3.79 in³, Zx = 4.92 in³ (strong axis). Sy = 3.79 in³, Zy = 4.92 in³ (weak axis).
What steel grade is standard for HSS6.625X0.125? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.
What is the moment of inertia of HSS6.625X0.125? Ix = 12.6 in⁴ about the strong axis and Iy = 12.6 in⁴ about the weak axis. The radius of gyration is rx = 2.3 in and ry = 2.3 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.