Hastealloy C-276

Hastealloy C-276 (Nickel Alloy C-276)

(UNS N10276) (EN 2.4819 - NiMo16Cr15W)

INCONEL alloy C-276 (UNS N10276/W.Nr. 2.4819) is known for its corrosion resistance in a wide range of  aggressive media. The high molybdenum content imparts resistance to localized corrosion such as pitting.The low carbon minimizes carbide precipitation during welding to maintain resistance to intergranular attack in heat-affected zones of welded joints.

Alloy C-276 is a nickel-chrome-molybdenum alloy with tungsten. It is characterized by:

  • Extraordinary resistance across a wide range of corrosive, watery media; in particular oxidizing and reducing
    acids
  • Particularly high resistance against chloride-induced crevice, pitting and stress corrosion

Chemical Composition

Physical Properties

Product Designation & Standards

Applications

Alloy C-276 has a broad field of application in the chemicals and petrochemicals industry, for components in organic processes containing chlorides, and for catalytic systems. The material can be used especially in cases where hot,contaminated mineral acids, solutions or organic acids. (such as formic acid and acetic acid) and sea water occur.
Examples of fields of application:

  • Paper and pulp industry, e.g. for digestion and bleaching tanks.
  • Washers, agitators and wet ventilators in flue gas desulfurization systems.
  • Equipment and components for acid gas applications.
  • Reactors for acetic acid production .
  • Sulfuric acid coolers .
  • Methylene diphenyl isocyanate (MDI).
  • Manufacturing and processing of contaminated phosphoric acid

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