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Corrosion Allowance Calculator
Estimate required corrosion allowance based on service conditions
Switch to Metric Units
Service Conditions & Material
Design Service Life
years
Service Type
Sweet Gas Service
Salt Water Service
Dilute Acid Service
Custom Rate
Custom Base Corrosion Rate
in/year
Pipe Material
A106 Grade B (High Temp)
A53 Grade B (General)
API 5L Grade B
SA-312 TP304/304L
SA-312 TP316/316L
A335 P11 (1.25Cr-0.5Mo)
A335 P22 (2.25Cr-1Mo)
Safety Margin
in
Environmental Factors
Operating Temperature
°F
pH Level
Primary Corrosion Mechanism
General/Uniform
Pitting/Localized
Erosion-Corrosion
Stress Corrosion Cracking (SCC)
Actions
📄 Export PDF
🔄 Reset Inputs
Corrosion Analysis Results
Base Corrosion Rate
-
Environmental Factor
-
Material Resistance Factor
-
Adjusted Corrosion Rate
-
Total Thickness Loss
-
Inspection Planning (API 570)
Corrosion Half-Life
-
Max Inspection Interval
-
Wall Thickness Loss Over Time
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