HSS22X18X5/8 Steel Rectangular HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Height (h) | 22 | 558.8 mm |
| Width (w) | 18 | 457.2 mm |
| Wall Thickness (t) | 0.625 | 15.9 mm |
| Area (A) | 44.3 in² | 285.8 cm² |
| Weight | 161.4 lb/ft | 240.2 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 3170 | 2330 | in⁴ |
| Elastic Section Modulus (S) | 288 | 259 | in³ |
| Plastic Section Modulus (Z) | 341 | 297 | in³ |
| Radius of Gyration (r) | 8.47 | 7.26 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 4230 | 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 HSS22X18X5/8 section? 161.4 lb/ft (240.2 kg/m).
What is the section modulus of HSS22X18X5/8? Sx = 288 in³, Zx = 341 in³ (strong axis). Sy = 259 in³, Zy = 297 in³ (weak axis).
What steel grade is standard for HSS22X18X5/8? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.
What is the moment of inertia of HSS22X18X5/8? Ix = 3170 in⁴ about the strong axis and Iy = 2330 in⁴ about the weak axis. The radius of gyration is rx = 8.47 in and ry = 7.26 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.