Best Blade coatings

Sheckey said:
How often in a high humidity environment?
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As often as one wants. People did use carbon steel blades in high humidity environments for more than a week at a time (e.g., machetes) for quite a while before stainless came into play around 100 years ago.

They seemed to do OK.
 
marcinek said:
As often as one wants. People did use carbon steel blades in high humidity environments for more than a week at a time (e.g., machetes) for quite a while before stainless came into play around 100 years ago.

They seemed to do OK.
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We "blue" them with lemon.
 
Contained said:
Im going to have to disagree with you. I live in a very humid area, so the coating does help me, and I like the look of quality coatings like dlc as they wear a bit.
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Regardless of the coatings wear on the blade, the coating helps deal with moisture that gets under the scales on a fixed blade.
 
Buck_110 said:
Not all metals benefit from a nitride-type of coating. Stainless steel will actually become less resistant to corrosion if it is nitride coated. Free chromium that acts as a passivation layer will bond with nitrogen to form chromium nitride(CrN).
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I'm not about to argue with a man (above) who might just know what he's talking about. In general, I like a plain blade, and stonewash is always nice to hide wear. Black looks nice until I use it.

Sentry TUF-Cloth seems to work well for me for humidity and corrosion-resistance. It also works for a friend who lives on Kodiak Island, Alaska. That's about as nasty an environment as you can ask for.
 
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I prefer a black coating on most of my knives (folders and fixed) but if the coating is no good and chips/rubs off easily I will avoid that and go with a regular polished blade. In my experience DLC, cerakote, titanium nitride and benchmades bk1 are all very good, especially dlc and cerakote. I have worn powder coating off somewhat easily with some knives like my kabars and ontario sp-10 bowie but the coating is still mostly intact so it does its job to prevent rust and it gives it character.
 
I had Birdsong apply their Black-T to a Gravelle PCP of mine in 1095. Have had several guns done by them, and love their coatings.
 
strongondefense1911 said:
What is black oxide coating?
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Black oxide is a surface treatment, not a coating. Basically it's a black controlled rust. What they typically use to finish a rifle barrel. Whatever part is lowered into a salt type bath solution that gives the surface a black finish.
 
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