The choice between Inconel and Hastelloy depends on the specific application and requirements. Both alloys offer excellent resistance to corrosion and high-temperature environments, but they have slightly different compositions and properties.
Inconel alloys, such as Inconel 625 and Inconel 718, are known for their high strength, excellent oxidation resistance, and good fabricability. They are commonly used in aerospace, marine, and chemical processing industries.
Hastelloy alloys, such as Hastelloy C276 and Hastelloy C22, are known for their exceptional corrosion resistance in a wide range of aggressive environments, including acids, chlorides, and oxidizing agents. They are widely used in chemical processing, pollution control, and oil and gas industries.
Ultimately, the choice between Inconel and Hastelloy depends on the specific corrosion resistance requirements, temperature range, mechanical properties, and other factors of the application. It is recommended to consult with materials engineers or experts to determine the most suitable alloy for a particular application.