The time period Hastelloy features as a registered trademark encompassing a household of high-performance, corrosion-resistant nickel-based alloys. Subsequently, a direct synonym doesn’t exist. As an alternative, the time period designates a particular group of supplies, and referring to it requires utilizing extra descriptive, albeit much less concise, nomenclature. One may describe it as a “nickel-chromium-molybdenum alloy” or a “high-nickel alloy,” relying on the particular elemental composition. For instance, Hastelloy C-276 might be described as a nickel-molybdenum-chromium alloy with tungsten.
The significance of those alloys lies of their distinctive resistance to aggressive chemical environments. This attribute makes them essential in industries corresponding to chemical processing, petrochemicals, and air pollution management. Their improvement stemmed from the necessity for supplies able to withstanding extremely corrosive media the place customary stainless steels would fail. The inherent worth arises from the prolonged lifespan and decreased upkeep necessities achieved by using these specialised alloys, finally resulting in better operational effectivity and value financial savings in demanding purposes.