1. Introduction to C276 Hastelloy Alloy Hastelloy C276, also known as UNS N10276 or Werkstoff Nr. 2.4819, is a nickel-molybdenum-chromium superalloy with tungsten additions, designed for exceptional corrosion resistance in severe environments. Developed by Haynes International, it is widely regarded as one of the most versatile corrosion-resistant alloys available. Its unique chemical composition enables it