Abstract
Corrosion tests of mild steel pipe by the continuous flow of aerated natural water at velocities of 27–162ft/min and at temperatures of 125, 150 and 170'F were made over periods up to 40d. Weight loss measurements, giving the amount of corrosion, were interpreted on the basis of a double-resistance model for the unsteady state mass transfer of dissolved O 2 to the corroding surface. Combined with all other literature data on hydrodynamically definable systems, the results have been successfully correlated. The correlation gives the amount of corrosion as a function of time and system properties combined in dimensionless groups, for a range of temperatures and flow rates.
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