Pipe3XXS Steel Pipe — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Outer Diameter (OD) | 3.5 | 88.9 mm |
| Wall Thickness (t) | 0.6 | 15.2 mm |
| Area (A) | 5.17 in² | 33.4 cm² |
| Weight | 18.6 lb/ft | 27.7 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 5.79 | 5.79 | in⁴ |
| Elastic Section Modulus (S) | 3.31 | 3.31 | in³ |
| Plastic Section Modulus (Z) | 4.89 | 4.89 | in³ |
| Radius of Gyration (r) | 1.06 | 1.06 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 11.6 | 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 Pipe3XXS pipe section? 18.6 lb/ft (27.7 kg/m).
What is the section modulus of Pipe3XXS? Sx = 3.31 in³, Zx = 4.89 in³ (strong axis). Sy = 3.31 in³, Zy = 4.89 in³ (weak axis).
What steel grade is standard for Pipe3XXS? ASTM A53 Grade B (Fy = 35 ksi) for pipe sections. Verify with mill certificate.
What is the moment of inertia of Pipe3XXS? Ix = 5.79 in⁴ about the strong axis and Iy = 5.79 in⁴ about the weak axis. The radius of gyration is rx = 1.06 in and ry = 1.06 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.