HSS5X3X1/4 Steel Rectangular HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Height (h) | 5 | 127.0 mm |
| Width (w) | 3 | 76.2 mm |
| Wall Thickness (t) | 0.25 | 6.3 mm |
| Area (A) | 3.37 in² | 21.7 cm² |
| Weight | 12.21 lb/ft | 18.2 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 10.7 | 4.81 | in⁴ |
| Elastic Section Modulus (S) | 4.29 | 3.21 | in³ |
| Plastic Section Modulus (Z) | 5.38 | 3.77 | in³ |
| Radius of Gyration (r) | 1.78 | 1.19 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 11 | 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 HSS5X3X1/4 section? 12.21 lb/ft (18.2 kg/m).
What is the section modulus of HSS5X3X1/4? Sx = 4.29 in³, Zx = 5.38 in³ (strong axis). Sy = 3.21 in³, Zy = 3.77 in³ (weak axis).
What steel grade is standard for HSS5X3X1/4? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.
What is the moment of inertia of HSS5X3X1/4? Ix = 10.7 in⁴ about the strong axis and Iy = 4.81 in⁴ about the weak axis. The radius of gyration is rx = 1.78 in and ry = 1.19 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.