HSS8X3X1/8 Steel Rectangular HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Height (h) | 8 | 203.2 mm |
| Width (w) | 3 | 76.2 mm |
| Wall Thickness (t) | 0.125 | 3.2 mm |
| Area (A) | 2.46 in² | 15.9 cm² |
| Weight | 9.01 lb/ft | 13.4 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 19.3 | 4.2 | in⁴ |
| Elastic Section Modulus (S) | 4.83 | 2.8 | in³ |
| Plastic Section Modulus (Z) | 6.11 | 3.07 | in³ |
| Radius of Gyration (r) | 2.8 | 1.31 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 11.3 | 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 HSS8X3X1/8 section? 9.01 lb/ft (13.4 kg/m).
What is the section modulus of HSS8X3X1/8? Sx = 4.83 in³, Zx = 6.11 in³ (strong axis). Sy = 2.8 in³, Zy = 3.07 in³ (weak axis).
What steel grade is standard for HSS8X3X1/8? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.
What is the moment of inertia of HSS8X3X1/8? Ix = 19.3 in⁴ about the strong axis and Iy = 4.2 in⁴ about the weak axis. The radius of gyration is rx = 2.8 in and ry = 1.31 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.