HSS20.000X1.000 Steel Round HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Outer Diameter (OD) | 20 | 508.0 mm |
| Wall Thickness (t) | 1 | 25.4 mm |
| Area (A) | 55.7 in² | 359.4 cm² |
| Weight | 203.1 lb/ft | 302.2 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 2540 | 2540 | in⁴ |
| Elastic Section Modulus (S) | 254 | 254 | in³ |
| Plastic Section Modulus (Z) | 338 | 338 | in³ |
| Radius of Gyration (r) | 6.75 | 6.75 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 5080 | 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 HSS20.000X1.000 section? 203.1 lb/ft (302.2 kg/m).
What is the section modulus of HSS20.000X1.000? Sx = 254 in³, Zx = 338 in³ (strong axis). Sy = 254 in³, Zy = 338 in³ (weak axis).
What steel grade is standard for HSS20.000X1.000? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.
What is the moment of inertia of HSS20.000X1.000? Ix = 2540 in⁴ about the strong axis and Iy = 2540 in⁴ about the weak axis. The radius of gyration is rx = 6.75 in and ry = 6.75 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.