HSS6.625X0.375 Steel Round HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Outer Diameter (OD) | 6.63 | 168.4 mm |
| Wall Thickness (t) | 0.375 | 9.5 mm |
| Area (A) | 6.88 in² | 44.4 cm² |
| Weight | 25.06 lb/ft | 37.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 34 | 34 | in⁴ |
| Elastic Section Modulus (S) | 10.3 | 10.3 | in³ |
| Plastic Section Modulus (Z) | 13.8 | 13.8 | in³ |
| Radius of Gyration (r) | 2.22 | 2.22 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 68 | 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 HSS6.625X0.375 section? 25.06 lb/ft (37.3 kg/m).
What is the section modulus of HSS6.625X0.375? Sx = 10.3 in³, Zx = 13.8 in³ (strong axis). Sy = 10.3 in³, Zy = 13.8 in³ (weak axis).
What steel grade is standard for HSS6.625X0.375? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.
What is the moment of inertia of HSS6.625X0.375? Ix = 34 in⁴ about the strong axis and Iy = 34 in⁴ about the weak axis. The radius of gyration is rx = 2.22 in and ry = 2.22 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.