HSS8X4X1/4 Steel Rectangular HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Height (h) | 8 | 203.2 mm |
| Width (w) | 4 | 101.6 mm |
| Wall Thickness (t) | 0.25 | 6.3 mm |
| Area (A) | 5.24 in² | 33.8 cm² |
| Weight | 19.02 lb/ft | 28.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 42.5 | 14.4 | in⁴ |
| Elastic Section Modulus (S) | 10.6 | 7.21 | in³ |
| Plastic Section Modulus (Z) | 13.3 | 8.2 | in³ |
| Radius of Gyration (r) | 2.85 | 1.66 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 35.3 | 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 HSS8X4X1/4 section? 19.02 lb/ft (28.3 kg/m).
What is the section modulus of HSS8X4X1/4? Sx = 10.6 in³, Zx = 13.3 in³ (strong axis). Sy = 7.21 in³, Zy = 8.2 in³ (weak axis).
What steel grade is standard for HSS8X4X1/4? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.
What is the moment of inertia of HSS8X4X1/4? Ix = 42.5 in⁴ about the strong axis and Iy = 14.4 in⁴ about the weak axis. The radius of gyration is rx = 2.85 in and ry = 1.66 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.