Corrosion Rate Calculator
Calculate corrosion rate in mils per year (MPY) and mm/year from coupon weight loss test data, with life estimation.
Inputs
g
g
cm²
hours
g/cm³
Results
Corrosion Rate
0.71 MPY
Corrosion Rate
0.02 mm/yr
Weight Loss0.15 g
Estimated Life (6mm wall)334.2 years
How to Use This Calculator
- Weigh your corrosion coupon before exposure and enter the Initial Coupon Weight (g).
- After the exposure period, re-weigh and enter the Final Coupon Weight (g).
- Enter the Exposure Area (cm²) — the surface area of the coupon in contact with the corrosive environment.
- Set the Exposure Time (hours) and Material Density (g/cm³) for your alloy.
- Read Corrosion Rate in mils per year (MPY) and mm/year, plus Estimated Life for maintenance planning.
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