incoloy 800HT flange Incoloy 800/800Ht Flanges have some excellent features like tough design, durable, and high tensile strength, etc. For heat exchangers, carburizing equipment, nuclear-steam generator, processing pipe, and heat -element sheathing Incoloy 800 slip-on flanges are used. Incoloy 800HT Flanges is made up of content of nickel-iron-chromium. It also ensures the best high-temperature properties due to the aluminum and titanium contents present in it. Superior resistance to oxidation is offered due to the mixture of nickel and chromium.