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Since 1952, Alloy Digest has been the leading reference for materials property data on metals and alloys used throughout the world. Featuring graphs, charts and tables, these sheets give facts and figures on composition or characterization, physical and mechanical properties, heat treatment, and machinability.

NICROFER 4221 is a fully austenitic nickel-chromium-iron-molybdenum-copper alloy that is stabilized (against intergranular corrosion) by an addition of titanium. It is resistant to stress-corrosion cracking, pitting corrosion and oxidizing and non-oxidizing hot acids. It has good mechanical properties both at room and at elevated temperatures. It is used in a wide variety of applications up to 540 C (1000 F).