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  • Passivation: Is it Really Necessary?
    It has been traditionally thought that passivation is the standard method of cleaning stainless steel; when in fact passivation is not a cleaning process at all. The passivation process removes any residual carbon from the surface of the part by the use of nitric or citric acid. The acid dissolves
  • Developing an Effective Passivation Process to Maintain
    from stainless steel material because of its natural corrosion. resistance and relatively chemical inert surface. However, laser marking of stainless steel alters the surface composition. and degrades the natural passive layer resulting in a mark that is susceptible to corrosion. To restore
  • What is Passivation, and Do My Products Need It?
    Passivation is a process by which stainless steel can be protected from corrosion by an added layer of oxidation to its outer surface. Although some stainless steel product specifications call for passivation in order to mitigate the risk of corrosion, it's mostly unnecessary, expensive, and could
  • How Do I Know if My Part is Passive?
    Passivation is an acid-cleaning process designed to remove free iron from the surface of stainless steels. This process is an essential step in removing foreign matter from the surface of the metal and creating a chromium-rich layer that is resistant to corrosion. The process effectively prolongs
  • What Is Passivation? Why Do We Need To Passivate Flanged Heaters?
    oxide layer-or a passive film-on the surface of the metal. When stainless steel objects are cut or scratched, this passive film reacts with oxygen and "repairs" the exposed surface, preventing the formation of rust. See Figure 1 for the advantages.
  • Surface Finishing Sheet Metal Assemblies
    Steel and aluminum panels in assemblies often will undergo surface finishing for reasons ranging from cosmetics to performance, while stainless steel panels may require passivation. For any assembly subject to surface finishing and requiring self-clinching hardware, a central question will arise
  • Railroad and Locomotive Industry Sensors: Critical Application Design
    configurations are typically stainless steel (other materials available). Proven rugged designs and proven reliability for all environments.

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