HSS7X4X1/4 Steel Rectangular HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Height (h) | 7 | 177.8 mm |
| Width (w) | 4 | 101.6 mm |
| Wall Thickness (t) | 0.25 | 6.3 mm |
| Area (A) | 4.77 in² | 30.8 cm² |
| Weight | 17.32 lb/ft | 25.8 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 30.5 | 12.8 | in⁴ |
| Elastic Section Modulus (S) | 8.72 | 6.38 | in³ |
| Plastic Section Modulus (Z) | 10.8 | 7.33 | in³ |
| Radius of Gyration (r) | 2.53 | 1.64 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 29.3 | 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 HSS7X4X1/4 section? 17.32 lb/ft (25.8 kg/m).
What is the section modulus of HSS7X4X1/4? Sx = 8.72 in³, Zx = 10.8 in³ (strong axis). Sy = 6.38 in³, Zy = 7.33 in³ (weak axis).
What steel grade is standard for HSS7X4X1/4? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.
What is the moment of inertia of HSS7X4X1/4? Ix = 30.5 in⁴ about the strong axis and Iy = 12.8 in⁴ about the weak axis. The radius of gyration is rx = 2.53 in and ry = 1.64 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.