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Alumina-Forming Austenitics: A New Class of Heat-Resistant Stainless Steels...

Publication Type
Journal
Journal Name
Stainless Steel World
Publication Date
Page Numbers
1 to 4
Volume
N/A

A family of alumina (Al2O3)-forming austenitic (AFA) stainless steels is under development. These alloys offer the potential for significantly higher operating temperature and environmental durability than conventional chromia (Cr2O3)-forming stainless steels, without sacrificing other critical characteristics such as cost, creep resistance, and weldability. An overview of the alloy development approach and details of the oxidation and creep resistance properties achieved to date are presented.