Hastelloy C-276

Hastelloy C-276 (UNS N10276) is a high-performance nickel-molybdenum-chromium superalloy designed for service in severely aggressive chemical environments. It exhibits exceptional resistance to both strong oxidizing and reducing media, delivering reliable corrosion protection against a wide range of acidic and alkaline solutions, including sulfuric, hydrochloric, and phosphoric acids.

The alloy provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, ensuring long-term structural reliability under harsh industrial conditions. Featuring excellent thermal fatigue performance and stable mechanical strength at elevated temperatures, Hastelloy C-276 is well suited for chemical processing, power generation, and marine engineering applications.

The alloying elements in Hastelloy C-276 deliver outstanding corrosion resistance, mechanical stability and thermal durability.

Hastelloy C-276 has a face-centered cubic (FCC) microstructure, which improves its toughness and corrosion resistance. This structure minimizes phase separation and inhibits carbide precipitation during welding, so the alloy retains its original mechanical properties.

Its well-balanced chemical composition delivers consistent performance across fluctuating temperatures and chemical environments. Excellent metallurgical stability suppresses brittle phase formation, keeping the material structurally sound even after long-term service in harsh conditions.

Aerospace and Aviation

• Hastelloy C-276 is adopted for exhaust systems and chemical handling equipment, delivering reliable corrosion resistance in demanding aerospace operating environments.

Power Generation

• It is widely used in heat exchangers and gas scrubbers, maintaining stable performance amid intense chemical exposure and frequent temperature changes.

Oil and Gas

• A key material for oil and gas facilities, it protects pipelines and valves from corrosion caused by hydrogen sulfide and other corrosive media.

Energy Industry

• The alloy serves reactors and storage tanks in energy systems, effectively resisting aggressive chemical substances.

Marine Engineering

• It provides long-term protection against seawater corrosion for desalination facilities and offshore structures.

Mining

• Hastelloy C-276 equips mining equipment that contacts highly corrosive raw materials, combining excellent corrosion resistance and structural durability.

Automotive

• In the automotive sector, it is applied to exhaust systems and components enduring high temperatures and corrosive flue gases.

Chemical Processing

• Extensively used for reactors, heat exchangers and other process equipment operating with harsh chemicals.

Pharmaceutical & Food Industry

• It keeps processing equipment hygienic and safe, with strong resistance to harsh cleaning chemicals.

Military and Defense

• Deployed in chemical storage systems for defense facilities, offering outstanding durability under extreme conditions.

Nuclear Industry

• Used in nuclear reactors and cooling circuits, delivering reliable corrosion resistance under high temperature and pressure.