Energy Bolting supply fasteners and machined components in Hastelloy materials Hastelloy® is a trademark of Haynes International Inc. In 1922, the company invented it's first alloy under the Hastelloy brand, derived from the words "Haynes Stellite Alloy" The corrosion-resistant Hastelloy alloys are used across a wide variety industries including: Aerospace, Chemical Process, Petrochemical, Oil & Gas, Pharmaceutical, Sea Water, LNG (Liquefied Natural Gas), Biomass, Mining, U