154CM vs. O1 vs. D2 Tool Steel

Joined
Mar 13, 2005
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Which one has the sharpest edge? My guess is D2 -but I haven't had any experience with 154CM or ATS-34 (which are pretty similar).

If O1 is the benchmark, pretty much anyone starting out has used O1, how do the other two stack up in comparison?

I'm basically looking for a wicked edge. If the steel is stainless, that's an added bonus -but my first preference is the sharpness.

Or are the differences mainly on paper, are they pretty similar in real world conditions? Can a person realistically tell the difference?

The reason I'm asking is that I have two knives, one of AUS 8 (Ka-Bar Dozier Drop-Point) and the other of VG10 (Mcusta). Both are sharpened in the same manner, the AUS 8 knife is actually sharper!! -but the knife loses its edge much quicker than the VG10 blade. I've also heard that 440C can attain a very sharp edge -but it doesn't last either.

Anyone know the story with O1, D2 and 154CM? The knife will be a 4.5" skinner. 1/8" thick, flat ground.
 
I use O1 and D2 and think they both hold a wicked edge. I have no problem sharpening either but I would say the O1 is easier. I've been using an O1 knife in the field lately and love it.
Scott
 
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