Cathodic Protection
Pipe Metal Cross-Section
Annular metal cross-sectional area from outside and inside diameters.
Cathodic ProtectionFluid & Pressure
Annular metal cross-sectional area from outside and inside diameters.
App id: PIPE-02. Reference version 1.0.
How to fill it
Fill the inputs. The tool shows the outputs.
On the tool screen, Calc is the working sheet. Presets stores values you reuse. Reference is the formula, assumptions, and provenance below.
Formula
Ametal = π/4 × (OD² − ID²)Inputs
| Name | Unit |
|---|---|
| Outside diameter | m |
| Inside diameter | m |
Outputs
| Name | Unit |
|---|---|
| Metal cross-section (hero result) | m2 |
Diagnose
This tool does not attach diagnose observations.
Assumptions
- Circular pipe with uniform wall thickness.
- Inside diameter of zero is a solid bar.
Provenance
- Annular cross-section of a hollow cylinder.