HSS9X9X3/8 Steel Rectangular HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Height (h) | 9 | 228.6 mm |
| Width (w) | 9 | 228.6 mm |
| Wall Thickness (t) | 0.375 | 9.5 mm |
| Area (A) | 11.8 in² | 76.1 cm² |
| Weight | 42.79 lb/ft | 63.7 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 145 | 145 | in⁴ |
| Elastic Section Modulus (S) | 32.2 | 32.2 | in³ |
| Plastic Section Modulus (Z) | 37.8 | 37.8 | in³ |
| Radius of Gyration (r) | 3.51 | 3.51 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 231 | 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 HSS9X9X3/8 section? 42.79 lb/ft (63.7 kg/m).
What is the section modulus of HSS9X9X3/8? Sx = 32.2 in³, Zx = 37.8 in³ (strong axis). Sy = 32.2 in³, Zy = 37.8 in³ (weak axis).
What steel grade is standard for HSS9X9X3/8? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.
What is the moment of inertia of HSS9X9X3/8? Ix = 145 in⁴ about the strong axis and Iy = 145 in⁴ about the weak axis. The radius of gyration is rx = 3.51 in and ry = 3.51 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.