Pipe3XS Steel Pipe — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Outer Diameter (OD) | 3.5 | 88.9 mm |
| Wall Thickness (t) | 0.3 | 7.6 mm |
| Area (A) | 2.83 in² | 18.3 cm² |
| Weight | 10.3 lb/ft | 15.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 3.7 | 3.7 | in⁴ |
| Elastic Section Modulus (S) | 2.11 | 2.11 | in³ |
| Plastic Section Modulus (Z) | 2.91 | 2.91 | in³ |
| Radius of Gyration (r) | 1.14 | 1.14 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 7.4 | 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 Pipe3XS pipe section? 10.3 lb/ft (15.3 kg/m).
What is the section modulus of Pipe3XS? Sx = 2.11 in³, Zx = 2.91 in³ (strong axis). Sy = 2.11 in³, Zy = 2.91 in³ (weak axis).
What steel grade is standard for Pipe3XS? ASTM A53 Grade B (Fy = 35 ksi) for pipe sections. Verify with mill certificate.
What is the moment of inertia of Pipe3XS? Ix = 3.7 in⁴ about the strong axis and Iy = 3.7 in⁴ about the weak axis. The radius of gyration is rx = 1.14 in and ry = 1.14 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.