HSS9X9X3/16 Steel Rectangular HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Height (h) | 9 | 228.6 mm |
| Width (w) | 9 | 228.6 mm |
| Wall Thickness (t) | 0.188 | 4.8 mm |
| Area (A) | 6.06 in² | 39.1 cm² |
| Weight | 22.18 lb/ft | 33.0 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 78.2 | 78.2 | in⁴ |
| Elastic Section Modulus (S) | 17.4 | 17.4 | in³ |
| Plastic Section Modulus (Z) | 20 | 20 | in³ |
| Radius of Gyration (r) | 3.59 | 3.59 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 121 | 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 HSS9X9X3/16 section? 22.18 lb/ft (33.0 kg/m).
What is the section modulus of HSS9X9X3/16? Sx = 17.4 in³, Zx = 20 in³ (strong axis). Sy = 17.4 in³, Zy = 20 in³ (weak axis).
What steel grade is standard for HSS9X9X3/16? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.
What is the moment of inertia of HSS9X9X3/16? Ix = 78.2 in⁴ about the strong axis and Iy = 78.2 in⁴ about the weak axis. The radius of gyration is rx = 3.59 in and ry = 3.59 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.