Pipe8XXS Steel Pipe — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Outer Diameter (OD) | 8.625 | 219.1 mm |
| Wall Thickness (t) | 0.875 | 22.2 mm |
| Area (A) | 20 in² | 129.0 cm² |
| Weight | 72.5 lb/ft | 107.9 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 154 | 154 | in⁴ |
| Elastic Section Modulus (S) | 35.8 | 35.8 | in³ |
| Plastic Section Modulus (Z) | 49.9 | 49.9 | in³ |
| Radius of Gyration (r) | 2.78 | 2.78 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 308 | in⁴ |
| Warping Constant (Cw) | 0 | in⁶ |
Design Resources
- Section Properties Database — Compare with other sections
- Steel Pipe Reference — Full pipe dimension table
- Steel Grades Reference — Material properties
Frequently Asked Questions
What is the weight of a Pipe8XXS pipe section? 72.5 lb/ft (107.9 kg/m).
What is the section modulus of Pipe8XXS? Sx = 35.8 in³, Zx = 49.9 in³ (strong axis). Sy = 35.8 in³, Zy = 49.9 in³ (weak axis).
What steel grade is standard for Pipe8XXS? ASTM A53 Grade B (Fy = 35 ksi) for pipe sections. Verify with mill certificate.
What is the moment of inertia of Pipe8XXS? Ix = 154 in⁴ about the strong axis and Iy = 154 in⁴ about the weak axis. The radius of gyration is rx = 2.78 in and ry = 2.78 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.