HSS8X4X5/16 Steel Rectangular HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Height (h) | 8 | 203.2 mm |
| Width (w) | 4 | 101.6 mm |
| Wall Thickness (t) | 0.313 | 7.9 mm |
| Area (A) | 6.43 in² | 41.5 cm² |
| Weight | 23.34 lb/ft | 34.7 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 51 | 17.2 | in⁴ |
| Elastic Section Modulus (S) | 12.8 | 8.58 | in³ |
| Plastic Section Modulus (Z) | 16.1 | 9.91 | in³ |
| Radius of Gyration (r) | 2.82 | 1.63 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 42.6 | 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 HSS8X4X5/16 section? 23.34 lb/ft (34.7 kg/m).
What is the section modulus of HSS8X4X5/16? Sx = 12.8 in³, Zx = 16.1 in³ (strong axis). Sy = 8.58 in³, Zy = 9.91 in³ (weak axis).
What steel grade is standard for HSS8X4X5/16? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.
What is the moment of inertia of HSS8X4X5/16? Ix = 51 in⁴ about the strong axis and Iy = 17.2 in⁴ about the weak axis. The radius of gyration is rx = 2.82 in and ry = 1.63 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.