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Aluminizing is a thermo-chemical diffusion process applied to carbon, alloy, and stainless steels; nickel-based alloys; and nickel-iron alloys to improve oxidation and corrosion resistance. When heated, aluminum vapors diffuse into the substrate to form an aluminum oxide layer at the surface, effectively creating a barrier against chemical attack. Aluminizing is particularly useful as a corrosion resistant coating for refineries and gas plants.

Aluminizing on Inconel 718

Aluminizing on Inconel 718

Characteristics:

  • Oxidation resistance
  • Carburization resistance
  • Hydrogen permeation
  • Sulfidation resistance

Applications:

  • Oil and gas tubes and pipes
  • Industrial furnace components
  • Catalyst trays