HSS8.625X0.625 Steel Round HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Outer Diameter (OD) | 8.63 | 219.2 mm |
| Wall Thickness (t) | 0.625 | 15.9 mm |
| Area (A) | 14.7 in² | 94.8 cm² |
| Weight | 53.45 lb/ft | 79.5 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 119 | 119 | in⁴ |
| Elastic Section Modulus (S) | 27.7 | 27.7 | in³ |
| Plastic Section Modulus (Z) | 37.7 | 37.7 | in³ |
| Radius of Gyration (r) | 2.85 | 2.85 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 239 | 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 HSS8.625X0.625 section? 53.45 lb/ft (79.5 kg/m).
What is the section modulus of HSS8.625X0.625? Sx = 27.7 in³, Zx = 37.7 in³ (strong axis). Sy = 27.7 in³, Zy = 37.7 in³ (weak axis).
What steel grade is standard for HSS8.625X0.625? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.
What is the moment of inertia of HSS8.625X0.625? Ix = 119 in⁴ about the strong axis and Iy = 119 in⁴ about the weak axis. The radius of gyration is rx = 2.85 in and ry = 2.85 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.