1. Chemical Processing Industry The chemical processing industry is the largest consumer of Hastelloy C-22 pipes due to their ability to withstand aggressive chemicals, including strong acids, bases, and halogens. 1.1 Acid Handling Systems Hastelloy C-22 pipes are extensively used in systems handling: Nitric Acid: C-22’s high chromium content (20.0–22.5%) provides superior resistance to oxidizing