What Is Hastelloy C276 Round Bar ? Hastelloy C276 is a nickel, molybdenum, and chromium alloy with good mechanical characteristics. Hastelloy C276 Round Bar is well-known for its corrosion resistance. Hastelloy C276 Round Bar, like the other nickel alloy, has excellent formability, ductility, and weldability. It is also recognised for its higher resistance to stress corrosion cracking in...