Tag Archives: PREN corrosion calculation for screws

Q: I’m trying to determine the corrosion resistance of Hastelloy bolts compared to Duplex bolts. Can I use PREN to calculate the corrosion resistance between the two materials? A: Unfortunately, PREN is a calculation that is only applicable to stainless steels. It cannot be used on nickel alloys like Hastelloy or … Continue reading

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