S110V vs ZDP-189 vs CTS-204P

My s90v and S110v knives will just run down my arm popping hairs with no resistance, even after many days of EDC tasks. My M390 blade loses its hair popping edge fast, but working edge lasts a long time, but nice and easy to sharpen! I really want to try ZDP 189, and M4 for that matter! I hear they get sharp! I have tested my S90V for tougness and it has held up well, even against bamboo, which was stupid of me, but it held up perfectly. All depends on the heat treat!!!
Have to add that steels cut and feel very diferently in my experience. I am no expert, just a user, but S90v and s110v feel toothy and cut very agressively! Other knives with no or lower vanadium slice and cut smoother. 204p/m390 have a great cutting ability, in between the two!
 
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ATJ999 said:
My s90v and S110v knives will just run down my arm popping hairs with no resistance, even after many days of EDC tasks. My M390 blade loses its hair popping edge fast, but working edge lasts a long time, but nice and easy to sharpen! I really want to try ZDP 189, and M4 for that matter! I hear they get sharp! I have tested my S90V for tougness and it has held up well, even against bamboo, which was stupid of me, but it held up perfectly. All depends on the heat treat!!!
Have to add that steels cut and feel very diferently in my experience. I am no expert, just a user, but S90v and s110v feel toothy and cut very agressively! Other knives with no or lower vanadium slice and cut smoother. 204p/m390 have a great cutting ability, in between the two!
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If you want ultimate sharpness then get a knife in 14C28N it's an impoved razor blade steel afterall. ;)
 
RevDevil said:
S110V - These knives take and hold a good edge, but they do not feel as sharp as a lower carbide steel. You end up with a nice toothy workable edge after the shiny wears off. May be prone to micro chipping due to the higher carbide content. Good corrosion resistance, and it has some good toughness, but not great.
Spyderco Native
Spyderco Para2


ZDP - Excellent steel, holds a super sharp edge, might be some micro chipping, but it hasn't been a problem for me I keep the edge andle around 20 degrees per side with a small microbevel. At a steeped cutting edge, the chipping will be almost inevitable, depending on blade stock thickness. Blade may develop a patina or staining after a while.
Spyderco Stretch
Spyderco Endura

CTS-204P - Similar to M390 and CPM-20CV very good, well rounded steel in terms of corrosion resistance, toughness, and edge retention. Ultimately I prefer this in a larger blade for daily use. Very good corrosion resistance overall and the edge seems to stay very sharp overall, regardless of reasonable use.
ZT 0562CF
Microtech Ultratech SE

Sharpenign is relative, if you have the right equipment and have a decent understanding of what grit to start with and when to finish, as well as proper technique then none of these steels is "hard/impossible to sharpen". The people that have trouble the most are people that are illequipped for the sharpening job, lack practice, and have no rudimentary understanding of which grits and which equipment to use.
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Would that be a blade length of four to five inches?
 
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