Hastelloy C22 Washers are extensively used in chemical processing, petrochemical industries, pollution control systems, marine engineering, and pharmaceutical equipment. They are ideal for applications involving acids, chlorides, and oxidizing chemicals. These washers are commonly used with bolts and nuts in reactors, heat exchangers, evaporators, and pressure vessels to provide leak-proof and corrosion-resistant joints. In marine and offshore environments, they protect fastenings from seawater and moisture damage. Due to their superior strength and chemical resistance, Hastelloy C22 Washers are preferred in industries requiring high-performance fasteners for long-term, reliable service.