m390 vs 20cv vs 204p

M390 vs 20CV vs 204P – 3rd Generation Powder Metallurgy Technology? What it is: M390 stainless steel, a powder-metallurgy material produced by Bohler-Uddeholm, is widely regarded as a "super steel" for its properties and performance. Come to Patreon if you want updates on testing as it is completed. There are only a few hundred of the m390 0562s out there. Is there a reason people prefer M390 over CTS-204P? Type and hit enter to display search result. I would say that the difference in edge retention and corrosion resistance between S90V and M390/204P/20CV is pretty insignificant. Save my name, email, and website in this browser for the next time I comment. The knife was originally in m390 but they switched to 204p because they were having problems getting m390. Edge retention testing is continuing, we have now tested 18 different steels, and four of those steels with multiple heat treatments. Who uses it: Benchmade, Zero Tolerance. So surprised how CTS-204P fails to be recognized as the M390 Equal. They are more similar than they are different in terms of performance. The knife was originally in m390 but they switched to 204p because they were having problems getting m390. All about that third generation powdered metallurgy. Come to Patreon if you want updates on testing as it is completed. Edge retention testing is continuing, we have now tested 18 different steels, and four of those steels with multiple heat treatments. Either that or im making a couple in CPM m4 or m390. CPM-M4 is a bit of a different animal though, it's harder and tougher than m390, CPM-20CV or CTS-204P, but it's a lot less corrosion resistant than any of those three. Hey, at 20% chromium, it’s also really good at corrosion resistance! Really when you get into the higher end steels like this, there isn't enough of a difference to really like one over the other since the wear is going to be spread across so many tasks that they are almost indistinguishable. Your email address will not be published. Source: Knife Steel Nerds. I have learned more from Knife Steel Nerds than I have from any other site we share. 20CV and M390 are shown in the table above for comparison purposes. Disadvantages: Relatively difficult to sharpen. Aug 21, 2017 - CTS 204P are the one kinds of best knife steel in knife industry.And the comprasion of cts 204p vs m390 steel.Deaits in which is the best supersteel. I have an M390 0652 and my serial number is 0957, aren't they stamped numerically? The steel saw little use in knives until Latrobe steel copied M390 and sold it as 20CV, which then became popular with several production knife companies. It is highly wear resistant so it will hold an edge for a long time. There are only a few hundred of the m390 0562s out there. CTS-204P Bohler M390, CTS-204P, and CPM-20CV are all essentially the same steel and sport a near identical composition. Like you said, m390 and 204p (and also 20CV) are basically identical. All things pocket knives. It's a cutting beast, not a hard use product. I'm thinking that Carpenter makes more 204P than Bohler makes M390. Someone probably made a decent-sounding argument, and then everyone else just bought into it because it sounds good. Like you said, m390 and 204p (and also 20CV) are basically identical M390 vs 20CV vs 204P – 3rd Generation Powder Metallurgy Technology? I wrote about how powder metallurgy steel production works and the history of it in this article. An alternative to r/knives. Press J to jump to the feed. Required fields are marked *. Thanks to Josh Warren and Alex K for becoming Knife Steel Nerds Patreon supporters! The M390 knife steel is identical to the CPM 20CV or the CTS-204P in comparison of hardness (62HRC). I would recommend keeping your M4 blades with a thin coat of oil on them when not in use to prevent them from corroding. Many steels are high hardness (ZDP-189, M390) and many are high toughness (3V, INFI, and Vanadis 4 Extra) but no steel really matches M4 in its combination of the two. Overall it’s a popular choice thanks to its high wear and corrosion resistance, it’s premium steel and because of that its a great pick for high end or limited-edition knives. Beyond that example, they're almost identical. ), New comments cannot be posted and votes cannot be cast. Press question mark to learn the rest of the keyboard shortcuts. M390 exhibits excellent edge retention, corrosion resistance, and high level toughness. Edge retention testing is continuing, we have now tested 18 different steels, and four of those steels with multiple heat treatments. I'm people and I don't prefer M390 over CTS-204P. M390. Unless of course, you would like to force the patina. You won’t see much wear at all from the thing even through some pretty rough use. Data Sheets: 20CV Data Sheet CTS-204P Data Sheet M390 … My experience puts CTS-204P and the overly much recognized M390 as identical. The composition is almost identical to Bohler M390. CTS 204P is a premium stainless steel that offers high performance, and the closest equivalents I can think of would be the two following steels; M390 from @Bohler and the CPM 20CV from @Crucible, they are premium steels with close chemical composition and both contribute in making high-end knives (with a little differences in edge retention, hardness, and toughness). In my experience, it takes a keener edge, holds it much longer, and is not markedly more difficult to sharpen. While they have similar histories and composition, there are a few. From specs, they seem to be almost exactly the same steel. For example, the ZT0562CF is worth a lot more in M390. 20cv: Lower toughness, lower edge stability, higher wear resistance, likely higher corrosion resistance If 3v microchips when treated by Survive Knives then 20cv should be a relative nightmare. I have a Benchmade Ritter Mini-Grip in M390 and a Spyderco Southard in CTS-204P, and as far as I can tell they are very similar. I'm sure this question has been answered somewhere, just wondering if anyone knew offhand :). Of hardness ( 62HRC ) % chromium, it takes a mirrored finish well the box from! Are 100 % ready for action to force the patina there are relatively few 0562cf made in but... Much recognized M390 as identical between the two in regular use is American made M390! The difference in edge retention, corrosion resistance between S90V and M390/204P/20CV is pretty insignificant that Carpenter more... Conventional ) and you have more knives in it can tell the difference in edge retention corrosion! 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