Talonite Vs CPM420V

W

Wenhong

Joined
Oct 27, 2000
Messages
10
Both are top blade materials. But which one is better(wear resistant & toughness)? If we regarding the ATS-34's wear resistant & toughness is 1. Talonite & CPM420V can get which mark?

[This message has been edited by Wenhong (edited 04-17-2001).]
 
These two materials are very dissimilar and a comparison is not easy.....I would rate 420V as the best "stainless" steel knife material going. Talonite has a lot of very positive features and a few not so positive ones (they are not negative but dont rate real high-like the fact that you can bend it) The thing I like about 420V is the crispness of the edge it can take and its ability to hold it.......I have always thought that it was brittle, but after working with it for a while I am rethinking that.....when you drill it, it doesnt come up in spirals but little tiny chips, and I am thinking that because of the way it is made that is what happens when it is stressed, not that it is brittle but one of those little chips comes loose from the rest of the chips (CPM).....if you dont know what I am talking about go to www.crucible.com/ and see how it is made....the thing I like about Talonite the most is its complete resistance to corrosion, its ablity to cut and cut (on softer materials mostly) and its ease of bringing the edge back.

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How about 10V? Well for toughness at least. I don't think there is much out there that can beat Talonite for wear resitance. And yes that was a compliment.

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Wayne.
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Interesting thoughts Tom, especially from a knifemaker's prospective. Corrosion resistance is very important to me these days. I have carried and used all of the popular stainless steels and most are fine. S90V, (420) and Talonite though, will always be at the top of my list. I totally agree with you in that you can get that nice, "crisp" edge with S90V that you can't with Talonite.
 
actually I can get talonite VERY sharp...nice and crisp, but that part of the edge doesnt stay very long, although it keeps on cutting and cutting and cutting. On thing about Talonite though is that I have to leave the edge a LOT thicker because of its properties.....I grind 420V thin.
fortunaltely for me I have a lot of tools, I hit the edge of my folder often on a hard felt wheel (never have to actually sharpen it-have only done so about 4 times in the last year!!!!!!) and it stays shaving sharp.

[This message has been edited by tom mayo (edited 04-17-2001).]
 
General,
According to Crucible's literature, 10V exhibits approximately the same toughness as steels such as M2 and D2, slighty less toughness than steels such as 52100 and O1, and significantly less toughness than steels such as L6, A2 and CPM 3V. It's worth noting, however, that when Crucible publishes information such as this, they don't necessary have cutlery applications in mind. This is a potentially important consideration insofar as heat treating regimens can differ significantly based upon the intended application.

As far as wear resistance is concerned, I think you'll find that 10V compares very favorably to Talonite (significant differences in corrosion resistance notwithstanding).

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Semper Fi

-Bill
 
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