Pipe1/2STD Steel Pipe — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Outer Diameter (OD) | 0.84 | 21.3 mm |
| Wall Thickness (t) | 0.109 | 2.8 mm |
| Area (A) | 0.234 in² | 1.5 cm² |
| Weight | 0.85 lb/ft | 1.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 0.016 | 0.016 | in⁴ |
| Elastic Section Modulus (S) | 0.039 | 0.039 | in³ |
| Plastic Section Modulus (Z) | 0.056 | 0.056 | in³ |
| Radius of Gyration (r) | 0.264 | 0.264 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.032 | 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 Pipe1/2STD pipe section? 0.85 lb/ft (1.3 kg/m).
What is the section modulus of Pipe1/2STD? Sx = 0.039 in³, Zx = 0.056 in³ (strong axis). Sy = 0.039 in³, Zy = 0.056 in³ (weak axis).
What steel grade is standard for Pipe1/2STD? ASTM A53 Grade B (Fy = 35 ksi) for pipe sections. Verify with mill certificate.
What is the moment of inertia of Pipe1/2STD? Ix = 0.016 in⁴ about the strong axis and Iy = 0.016 in⁴ about the weak axis. The radius of gyration is rx = 0.264 in and ry = 0.264 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.