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| it is necessary, therefore, to chose an alloy with high resistance to localized attack which is often defined as an alloy with pitting resistance equivalent (number PREN greater than 40) | |||
| pitting resistance equivalent number (Yerkwantai) | |||
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| it is necessary, therefore, to chose an alloy with high resistance to localized attack which is often defined as an alloy with pitting resistance equivalent (number PREN greater than 40) | |||
| pitting resistance equivalent number (Yerkwantai) | |||