Steel Bluing Methods

There is a lot of information on the internet about steel bluing processes and types, but I’ll try to summarize in one single post.

Steel bluing or steel oxidation is a chemical process that creates a protection layer on the surface of the material, which behaves like a corrosion resistant coating.
It’s often used in firearms parts in order to (partially) prevent rusting and also to give a better finish.

Lets see some of the most popular types of bluing, what is the exact process and check their pros and cons.

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