Super Austenitic Stainless Steel

These highly alloyed grades are fully austenitic and provide excellent corrosion resistance, especially to chloride, pitting, crevice, and stress corrosion cracking. These alloys may be a lower cost alternative to nickel base alloys depending on the application.

Alloy Properties
Representative AlloysCN3MN, CK3MCuN
ApplicationsWhere good resistance to chloride pitting corrosion and stress corrosion cracking
LimitationsLower strength, prone to hot-shortness
Typical UsesDesalination applications
MachinabilityFair
WeldabilityFair, special precautions are necessary along with post-weld heat treatment
Corrosion ResistanceVery good

Super Austenitic Stainless Steel

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