pitting resistance equivalent number

English

Noun

pitting resistance equivalent number (plural pitting resistance equivalent numbers)

1. (metallurgy) A number, calculated using a given stainless steel alloy's chemical composition, which aims to predict its resistance to pitting corrosion.

   Steels used in salt water typically require a pitting resistance equivalent number of at least 40.

Derived terms

• PREN (initialism)

 

Further reading

• pitting resistance equivalent number on Wikipedia.Wikipedia