Corrosion Rate Conversion Factors
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
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 |