HSS24X18X3/4 Steel Rectangular HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Height (h) | 24 | 609.6 mm |
| Width (w) | 18 | 457.2 mm |
| Wall Thickness (t) | 0.75 | 19.0 mm |
| Area (A) | 55.4 in² | 357.4 cm² |
| Weight | 201.8 lb/ft | 300.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 4580 | 2940 | in⁴ |
| Elastic Section Modulus (S) | 382 | 327 | in³ |
| Plastic Section Modulus (Z) | 456 | 375 | in³ |
| Radius of Gyration (r) | 9.09 | 7.29 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 5690 | 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 HSS24X18X3/4 section? 201.8 lb/ft (300.3 kg/m).
What is the section modulus of HSS24X18X3/4? Sx = 382 in³, Zx = 456 in³ (strong axis). Sy = 327 in³, Zy = 375 in³ (weak axis).
What steel grade is standard for HSS24X18X3/4? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.
What is the moment of inertia of HSS24X18X3/4? Ix = 4580 in⁴ about the strong axis and Iy = 2940 in⁴ about the weak axis. The radius of gyration is rx = 9.09 in and ry = 7.29 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.