SECORP designation (UNS NO.)
A high performance austenitic nickel-chromium-iron alloy for service in highly corrosive conditions, especially phosphoric acid environments. High resistance to pitting, crevice corrosion, intergranular corrosion and stress corrosion cracking.
Downhole tubulars for extremely corrosive wells. Evaporator tubes in producing of phosphoric acid. Tubing and heat exchanger in sulfuric acid production. Sea-water piping and condensers. Sodium hydroxide evaporators.