Understanding Corrosion in Water Pipelines: A Guide for Pipeline Designers


Free Ash

Last updated: November 11, 2016

What Does Free Ash Mean?

Free ash is incombustible inorganic matter remaining after fuel burning or mineral mining. The quantity of ash present in a given metal can be examined to determine the rate of corrosion in a material.


Corrosionpedia Explains Free Ash

The greater the amount of ash present in a material, the lower the purity of the material with a corresponding higher rate of corrosion, and vice versa.


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