HSS20.000X0.750 Steel Round HSS — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Outer Diameter (OD) | 20 | 508.0 mm |
| Wall Thickness (t) | 0.75 | 19.0 mm |
| Area (A) | 42.3 in² | 272.9 cm² |
| Weight | 154.3 lb/ft | 229.6 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 1970 | 1970 | in⁴ |
| Elastic Section Modulus (S) | 197 | 197 | in³ |
| Plastic Section Modulus (Z) | 260 | 260 | in³ |
| Radius of Gyration (r) | 6.83 | 6.83 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 3940 | 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 HSS20.000X0.750 section? 154.3 lb/ft (229.6 kg/m).
What is the section modulus of HSS20.000X0.750? Sx = 197 in³, Zx = 260 in³ (strong axis). Sy = 197 in³, Zy = 260 in³ (weak axis).
What steel grade is standard for HSS20.000X0.750? ASTM A500 Grade C (Fy = 46 ksi) or Grade B (Fy = 42 ksi). Verify with mill certificate.
What is the moment of inertia of HSS20.000X0.750? Ix = 1970 in⁴ about the strong axis and Iy = 1970 in⁴ about the weak axis. The radius of gyration is rx = 6.83 in and ry = 6.83 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.