Corrosion Behaviour of Hastelloy C276 for Industrial Applications

Hastelloy C-276, a nickel-molybdenum-chromium alloy with added iron and tungsten, is renowned for its exceptional resistance to a wide range of severe environments, including strong oxidizing and reducing agents.This paper comprehensively examines the chemical composition, microstructure, mechanical properties, and corrosion resistance of Hastelloy C-276, with a focus on its applications in the chemical processing, marine, and energy industries.The alloy's superior performance in aggressive media such as hydrochloric acid, sulfuric acid, and chloride-containing environments is analyzed in the context of its metallurgical stability and passivation behavior.Furthermore, this research identifies areas where existing research is lacking, such as long-term performance in real-world environments, environmental impact and sustainability, lack of standardized testing across studies, challenges related to fabrication cost, and potential environmental degradation mechanisms.This paper aims to provide a consolidated understanding of Hastelloy C-276's capabilities and limitations, offering guidance for its optimal utilization in critical industrial applications.