HSS24X18X3/8 Steel Rectangular HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Height (h) | 24 | 609.6 mm |
| Width (w) | 18 | 457.2 mm |
| Wall Thickness (t) | 0.375 | 9.5 mm |
| Area (A) | 28.5 in² | 183.9 cm² |
| Weight | 104 lb/ft | 154.8 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 2450 | 1580 | in⁴ |
| Elastic Section Modulus (S) | 204 | 176 | in³ |
| Plastic Section Modulus (Z) | 240 | 197 | in³ |
| Radius of Gyration (r) | 9.27 | 7.45 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 2970 | 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 HSS24X18X3/8 section? 104 lb/ft (154.8 kg/m).
What is the section modulus of HSS24X18X3/8? Sx = 204 in³, Zx = 240 in³ (strong axis). Sy = 176 in³, Zy = 197 in³ (weak axis).
What steel grade is standard for HSS24X18X3/8? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.
What is the moment of inertia of HSS24X18X3/8? Ix = 2450 in⁴ about the strong axis and Iy = 1580 in⁴ about the weak axis. The radius of gyration is rx = 9.27 in and ry = 7.45 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.