HSS20X6X5/16 Steel Rectangular HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Height (h) | 20 | 508.0 mm |
| Width (w) | 6 | 152.4 mm |
| Wall Thickness (t) | 0.313 | 7.9 mm |
| Area (A) | 14.6 in² | 94.2 cm² |
| Weight | 53.11 lb/ft | 79.0 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 673 | 101 | in⁴ |
| Elastic Section Modulus (S) | 67.3 | 33.6 | in³ |
| Plastic Section Modulus (Z) | 87.1 | 36.9 | in³ |
| Radius of Gyration (r) | 6.79 | 2.63 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 293 | 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 HSS20X6X5/16 section? 53.11 lb/ft (79.0 kg/m).
What is the section modulus of HSS20X6X5/16? Sx = 67.3 in³, Zx = 87.1 in³ (strong axis). Sy = 33.6 in³, Zy = 36.9 in³ (weak axis).
What steel grade is standard for HSS20X6X5/16? ASTM A500 Grade C (Fy = 50 ksi) or Grade B (Fy = 46 ksi). Verify with mill certificate.
What is the moment of inertia of HSS20X6X5/16? Ix = 673 in⁴ about the strong axis and Iy = 101 in⁴ about the weak axis. The radius of gyration is rx = 6.79 in and ry = 2.63 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.