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Pitting resistance equivalent

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Pitting resistance equivalent (PRE) is a number indicating the resistance of stainless steel to pitting corrosion related to chemical composition and derived from the equation PRE = %Cr + 3.3x%Mo + 16x%N. [1]

References

  1. http://www.bocindustrial.co.uk/bocindustrial/technical/glossary/a.asp
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