Corrosion Allowance Calculator
Calculate required pipe or vessel wall thickness including corrosion margin per ASME standards.
Inputs
psi
inches
psi
in/yr
years
Results
Nominal Thickness (with tolerance)
0.29 in
Estimated Remaining Life
26.4 years
Minimum Wall Thickness0.16 in
Corrosion Allowance0.1 in
Total Required Thickness0.26 in
Manufacturing Tolerance (12.5%)0.03 in
MAWP at Retirement Thickness500 psi
How to Use This Calculator
- Enter Design Pressure, Outer Diameter, and Allowable Stress.
- Set Joint Efficiency, Corrosion Rate, and Design Life.
- Review Nominal Thickness (with tolerance) and Estimated Remaining Life (years).
- Use Minimum Wall Thickness and Corrosion Allowance (in) to inform your decision.
- Use the chart to visualize the results and explore different scenarios by adjusting inputs.
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