Nickel AlloysAlloy C-276 Bar

Superalloy with excellent corrosion resistance in a wide range of severe environments.

A solution-annealed nickel-molybdenum-chromium alloy with the addition of tungsten, C276 exhibits excellent corrosion resistance in a wide range of severe environments.

The high molybdenum content of C276 provides the alloy with its excellent resistance to pitting and crevice corrosion. Since the alloy's low carbon content means C276 is resistant to the formation of grain boundary precipitates in the heat-affected zone, C276 can maintain its unique corrosion resistance in the as-welded condition.

C276 is selected for resistance to wet chlorine gas, hypo-chlorites and many other aggressive chemicals. It also offers exceptional resistance to strong solutions of oxidising salts such as ferric and cupric chlorides.

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Related Specifications

  • N10276
  • ASTM B574
  • 2.4819


Chemical Composition


  • Pressure vessels
  • Reactors
  • Mixers and agitators
  • Scrubbers
  • Dampers
  • Heat exchangers
  • Venturis
  • Evaporators
  • Solvent recovery plants
  • Pumps and Valves


  • Excellent resistance to pitting and corrosion
  • High mechanical properties
  • Excellent resistance to oxidising atmospheres up to 1040°C
  • Very high resistance to many aggressive chemicals
  • One of the few alloys resistant to wet chloride gas, hypochlorite and chlorine dioxide solutions
  • Good welding properties

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