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Uniform Corrosion Characterization of UNS N08935

Highly alloyed stainless steels and Ni-based alloys may be used in a wide range of different chemical environments. By investigating how different alloys are affected by environmental changes – be it chemical composition, temperature, contaminants or others – it is possible to learn more about how material selection can be optimized to improve both cost efficiency and longevity of a system.


UNS N08935 is a highly alloyed austenitic material in the borderland between stainless steels and Ni-based alloys

Product Number: 51323-19294-SG
Author: Björn Helmersson, Marie Almén
Publication Date: 2023
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UNS N08935 is a newly developed alloy with limited available corrosion data. Due to its high content of alloying elements – especially chromium, molybdenum and nickel – it can be expected to be a candidate alloy in many highly corrosive environments where uniform corrosion is expected to be the main mode of corrosion. In this work, the uniform corrosion resistance of UNS N08935 has been evaluated in several different environments, including commonly found acids such as sulfuric acid, hydrochloric acid, organic acids, and others. Results from different test methods will be presented and compared to other alloys. The presented data can aid in material selection processes, as well as guide future testing in other conditions.

UNS N08935 is a newly developed alloy with limited available corrosion data. Due to its high content of alloying elements – especially chromium, molybdenum and nickel – it can be expected to be a candidate alloy in many highly corrosive environments where uniform corrosion is expected to be the main mode of corrosion. In this work, the uniform corrosion resistance of UNS N08935 has been evaluated in several different environments, including commonly found acids such as sulfuric acid, hydrochloric acid, organic acids, and others. Results from different test methods will be presented and compared to other alloys. The presented data can aid in material selection processes, as well as guide future testing in other conditions.