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N08926
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N08926

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N08926 (Alloy 926) — A super austenitic stainless steel combining high strength with superior resistance to chloride ion corrosion.
Applications: Marine and offshore: Seawater cooling systems, subsea pipelines, marine pumps and valves, desalination plants (reverse osmosis membrane housings, high-pressure piping). Chemical and Petrochemical: Reactors, heat exchangers, and piping systems handling high chloride concentrations, particularly in sulphuric and phosphoric acid environments. Flue Gas Desulphurisation Systems: Absorption towers, mist eliminators, ducts, and other severely corroded wet-end components. Pulp and Paper: Pulp bleaching equipment. Environmental Protection and Energy: High-concentration wastewater treatment equipment, condensers in geothermal power stations.
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N08926 is a high-chromium, high-nickel, high-molybdenum super austenitic stainless steel with added nitrogen. Its chemical composition is similar to 904L, but the inclusion of nitrogen (N) significantly enhances its strength and further improves resistance to pitting corrosion. It is an ideal material for handling seawater, high-concentration chloride environments, and other demanding corrosive conditions, offering performance comparable to many more expensive nickel-based alloys. Core characteristics: Exceptional resistance to chloride-induced localised corrosion: Exhibits outstanding resistance to pitting and crevice corrosion, outperforming 904L and ranking among the premier choices for addressing seawater and brine corrosion challenges. High strength and hardness: Nitrogen solution strengthening yields a yield strength approximately double that of standard austenitic stainless steels (e.g., 316L), permitting thinner-walled designs for weight reduction. Superior comprehensive corrosion resistance: Exhibits excellent resistance to sulphuric acid, phosphoric acid, and diverse organic acids and inorganic salt solutions. Outstanding stress corrosion cracking resistance: Demonstrates stability in chloride-containing environments. Cost-effectiveness: In numerous demanding applications, its performance rivals that of more expensive nickel-based alloys (such as C-276) while offering a significant cost advantage.