Pipe8STD Steel Pipe — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Outer Diameter (OD) | 8.625 | 219.1 mm |
| Wall Thickness (t) | 0.322 | 8.2 mm |
| Area (A) | 7.85 in² | 50.6 cm² |
| Weight | 28.6 lb/ft | 42.6 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 68.1 | 68.1 | in⁴ |
| Elastic Section Modulus (S) | 15.8 | 15.8 | in³ |
| Plastic Section Modulus (Z) | 20.8 | 20.8 | in³ |
| Radius of Gyration (r) | 2.95 | 2.95 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 136 | 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 Pipe8STD pipe section? 28.6 lb/ft (42.6 kg/m).
What is the section modulus of Pipe8STD? Sx = 15.8 in³, Zx = 20.8 in³ (strong axis). Sy = 15.8 in³, Zy = 20.8 in³ (weak axis).
What steel grade is standard for Pipe8STD? ASTM A53 Grade B (Fy = 35 ksi) for pipe sections. Verify with mill certificate.
What is the moment of inertia of Pipe8STD? Ix = 68.1 in⁴ about the strong axis and Iy = 68.1 in⁴ about the weak axis. The radius of gyration is rx = 2.95 in and ry = 2.95 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.