HSS5.500X0.258 Steel Round HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Outer Diameter (OD) | 5.5 | 139.7 mm |
| Wall Thickness (t) | 0.258 | 6.6 mm |
| Area (A) | 3.97 in² | 25.6 cm² |
| Weight | 14.46 lb/ft | 21.5 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 13.7 | 13.7 | in⁴ |
| Elastic Section Modulus (S) | 5 | 5 | in³ |
| Plastic Section Modulus (Z) | 6.64 | 6.64 | in³ |
| Radius of Gyration (r) | 1.86 | 1.86 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 27.5 | 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 HSS5.500X0.258 section? 14.46 lb/ft (21.5 kg/m).
What is the section modulus of HSS5.500X0.258? Sx = 5 in³, Zx = 6.64 in³ (strong axis). Sy = 5 in³, Zy = 6.64 in³ (weak axis).
What steel grade is standard for HSS5.500X0.258? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.
What is the moment of inertia of HSS5.500X0.258? Ix = 13.7 in⁴ about the strong axis and Iy = 13.7 in⁴ about the weak axis. The radius of gyration is rx = 1.86 in and ry = 1.86 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.