The Hastelloy X nickel alloy, with higher iron content, has favorable resistance to oxidation and corrosion combined with excellent creep and rupture strength at temperatures under 900℃. In addition to this, Hastelloy alloy X has great fabricability by cold and hot working and good weldability. 1. High degree of oxidation resistance up to 2200° F 2. Outstanding high-temperature strength 3. Easily fabricated including forming and welding 4. Good ductility after prolonged exposure at high-temperatures 5. Good resistance to chloride stress-corrosion cracking 6. Resistant to carburization and nitriding 7. Develops a protective oxide film that does not spall off