Alloy C276 Pipe Bursting Pressure Tables Introduction to Alloy C276 Pipes Alloy C276, also known as Hastelloy C276, UNS N10276, or W.Nr. 2.4819, is a nickel-molybdenum-chromium superalloy renowned for its exceptional corrosion resistance and high strength in extreme environments. Widely used in chemical processing, oil and gas, and marine applications, it resists pitting, crevice corrosion,