Black Oxide, blackening,anodizing, oxidizing, black passivating and gun bluing ,these terms all refer to the process of forming a black iron oxide on the surface of ferrous metals.
Now, let us show some information about black oxide to you all :
What is black oxide?
The black oxide or blackening process is a conversion coating for ferrous material. This means that the black oxide is not deposited on the surface of the substrate like electroplating or painting .It can increase the corrosion protection properties.
Which type of metal that can be with black oxide ?
The process of black oxide as below :
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Share you some pictures with black oxide finished :