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VAPORKOTE ALUMINIZING (CALORIZING) PROCESS

High-temperature corrosion of metals due to oxidation, sulfidation, and carburization is a major concern of industry, especially with petrochemical processing equipment. You can Aluminize steel and other metals. Aluminizing or aluminum diffusion alloying is an economical process for inhibiting such corrosion by protecting the surface of steels, stainless steels and nickel alloys operating in severe high-temperature environments. VaporKote’s aluminizing process is a cost-effective method of extending the service life of your components, saving on maintenance costs and downtime. Aluminized steel offers superior corrosion protection services for your critical components.

Aluminizing is a high-temperature chemical vapor deposition (CVD) process whereby aluminum vapors diffuse into the surface of the base metal forming new metallurgical aluminide alloys. The process occurs in a controlled high-temperature environment and we use our own specialized powder blend which is mixed on-site to ensure optimal coating results. The aluminide alloys formed at the surface contain 20% minimum aluminum. Typical case depths: Carbon and alloy steel = 4-12 mils, Stainless, and nickel base alloys = 2-8 mils. This depth is uniform throughout the coated area and verified in our lab for quality assurance. The newly formed intermetallic layer provides excellent corrosion resistance and cannot be chipped off. Parts can be post heat treated to achieve necessary mechanical properties. aluminizing steel components up to 25 feet long is a specialty of VaporKote. VaporKote is one of only a few companies worldwide that can aluminize metal components of that size. VaporKote can aluminize many different types and grades of metal, and the corrosion resistance qualities are exceptional.

VaporKote has aluminized parts ranging from large tubing for sulfuric acid plants to small burner nozzles used in high-temperature service.  Contact us for information on solving your corrosion problems! We can aluminize steel and many other metals and offer exceptional quality and quick turnaround on rush jobs.

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