## Corrosion Rate Conversion Factors

 mA cm-2 mm year-1 mpy g m-2 day-1 mA cm-2 1 3.28 M/nd 129 M/nd 8.95 M/n mm year-1 0.306 nd/M 1 39.4 2.74 d mpy 0.00777 nd/M 0.0254 1 0.0694 d g m-2 day-1 0.112 n/M 0.365 /d 14.4 /d 1

Simple chart to convert data between the most common corrosion units e.g  corrosion current (mA cm-2) , mass loss (g m-2 day-1) and penetration rates (mm y-1  and mpy) for metals

Corrosion rate conversion factors are numerical values used to convert corrosion rates measured in one unit to another. Corrosion rate is a measure of how quickly a material corrodes or deteriorates over time, typically expressed in units like millimeters per year (mm/year), inches per year (in/year), or milligrams per square centimeter per year (mg/cm²/year).

Here are some common corrosion rate conversion factors for converting between different units:

1. **Millimeters per year (mm/year) to inches per year (in/year):**

– 1 mm/year ≈ 0.03937 in/year

2. **Inches per year (in/year) to millimeters per year (mm/year):**

– 1 in/year ≈ 25.4 mm/year

3. **Milligrams per square centimeter per year (mg/cm²/year) to millimeters per year (mm/year):**

– Conversion depends on the density of the material and the surface area of the sample.

These conversion factors allow you to convert corrosion rates between different units, depending on the requirements of your analysis or reporting. They are particularly useful in fields such as metallurgy, materials science, and corrosion engineering, where understanding and quantifying corrosion rates are essential for evaluating the performance and durability of materials in various environments.

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