Cabela's AG

The Buckcote blades came in 3 versions: 1)TiN (Titanium Nitride-dark Gold-HRC 82), 2) ZrN (Zirconium Nitride-light gold-HRC 87), and TiAlN (Titanium Aluminum Nitride-charcoal gray-HRC 92). These blades were chisel sharpened so that the coating was exposed on the micro edge. The substrate (420 HC) wore away in preference to the coating, and the blades were self sharpening. I use all of these blades as finishing steels to sharpen plain steel blades. You can use TiAlN to sharpen TiN for example if you know the pecking order. The AG series uses TDLC (Tungsten diamond like Carbon) to protect the blade from corrosion and scratching. These knives are not chisel sharpened, so the working edge is only 60 HRC instead of 82-92 HRC. The TDLC is very hard and makes an excellent finishing steel, but I have not seen an HRC rating for TDLC.
 
tiguy7 said:
The Buckcote blades came in 3 versions: 1)TiN (Titanium Nitride-dark Gold-HRC 82), 2) ZrN (Zirconium Nitride-light gold-HRC 87), and TiAlN (Titanium Aluminum Nitride-charcoal gray-HRC 92). These blades were chisel sharpened so that the coating was exposed on the micro edge. The substrate (420 HC) wore away in preference to the coating, and the blades were self sharpening. I use all of these blades as finishing steels to sharpen plain steel blades. You can use TiAlN to sharpen TiN for example if you know the pecking order. The AG series uses TDLC (Tungsten diamond like Carbon) to protect the blade from corrosion and scratching. These knives are not chisel sharpened, so the working edge is only 60 HRC instead of 82-92 HRC. The TDLC is very hard and makes an excellent finishing steel, but I have not seen an HRC rating for TDLC.
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Cabelas claims to use Titanium Aluminum Nitride on the Alaskan Guide series. I doubt they would misrepresent themselves on thseir website.
 
I have a lot of knife blades and tool bits that are covered with TiAlN, and they all look dark gray (charcoal). The AG blade is jet black. I thought I read or someone told me that the AG coating was TDLC. Maybe someone at Buck could clarify this. There is nothing wrong with either coating. They both turn a regular blade into an excellent finishing steel.
 
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