These fasteners are made of iron-nickel-chromium alloy, and they are designed in such a way that they resist oxidation, carburization, and other high-temperature corrosions. The stable austenitic structure allows them to keep their strength and metallurgical integrity even if the temperature is above 1100°F (600°C). Hindco Steel and Alloys makes Incoloy 800 Fasteners that meet strict ... https://www.hindco.co.in/incoloy-800-fasteners-manufacturer-exporter-supplier-stockist.html