Advantages: Extremely high wear resistance and corrosion resistance. I'm people and I don't prefer M390 over CTS-204P. I have learned more from Knife Steel Nerds than I have from any other site we share. Thanks to Josh Warren and Alex K for becoming Knife Steel Nerds Patreon supporters! Composition Comparison Graph For The Knife Steels Carpenter 20CP, Latrobe 20CV, Carpenter CTS-204P, Bohler-Uddeholm M390, Crucible S90V Version 4.36 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. If you were comparing CPM-M4 to CPM-3V for such a tool the decision would be far more difficult. Required fields are marked *. M390 was developed by Bohler in the late 1980s as a modification to K190, which in turn was a powder metallurgy version of D7 tool steel. 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. M390 is a huge improvement over s30v. 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. Type and hit enter to display search result. KNIFE Magazine is an oversized, full color, glossy print publication — 50% larger than a standard magazine and dedicated to serving collectors, knifemakers and other enthusiasts. That is if you can put aside personal bias. The powder is then placed into a canister for “hot isostatic pressing” (HIP) where the steel is heated to high temperature under pressure to create a solid ingot. Press J to jump to the feed. Someone probably made a decent-sounding argument, and then everyone else just bought into it because it sounds good. There are only a few hundred of the m390 0562s out there. Your email address will not be published. With significant amounts of Chromium, Molybdenum, Vanadium, and Tungsten, these steels are 100% ready for action. The knife was originally in m390 but they switched to 204p because they were having problems getting m390. Is there a reason people prefer M390 over CTS-204P? The ingot has a very small level of porosity, which is eliminated in the forging and rolling process. March 30, 2020 Larrin. I would say that the difference in edge retention and corrosion resistance between S90V and M390/204P/20CV is pretty insignificant. Rather than pouring liquid steel into a mold and letting it slowly cool, the liquid is passed through a gas spray which rapidly solidifies small particles, creating a steel powder. I have an M390 0652 and my serial number is 0957, aren't they stamped numerically? They are effectively the same steel. In the Comparison on cts 204p vs m390 steel that M390 is first and foremost an awesome edge retention steel. Your email address will not be published. So surprised how CTS-204P fails to be recognized as the M390 Equal. Come to Patreon if you want updates on testing as it is completed. It is highly wear resistant so it will hold an edge for a long time. ), New comments cannot be posted and votes cannot be cast. They are both pretty much the same steel. For example, the ZT0562CF is worth a lot more in M390. 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. From specs, they seem to be almost exactly the same steel. My experience puts CTS-204P and the overly much recognized M390 as identical. Edge retention testing is continuing, we have now tested 18 different steels, and four of those steels with multiple heat treatments. I wrote about how powder metallurgy steel production works and the history of it in this article. 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. Latrobe 20CV alone has proven sharper smoother subjectively almost Cruwear like cutting right out of the box. IMHO, M390 is a true super steel whilst s30v is simply a very good steel. Either that or im making a couple in CPM m4 or m390. Comparing: CPM S35VN vs. CPM 20CV. The M390 knife steel is identical to the CPM 20CV or the CTS-204P in comparison of hardness (62HRC). Below shows a comparison between CruWear (conventional) and CPM CruWear (powder metallurgy). CTS-204p is simply Carpenter's version of M390, and is US-made so many US knife manufacturers are switching to it because it's cheaper and more readily available here. I love my CTS204P Para2 which is the same alloy as M390 but made by a different foundry. I am told it is as tougher than s30v, but I have not broken nor chipped either steel so cannot say for sure. 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. Source: Knife Steel Nerds. The composition is almost identical to Bohler M390. M390 vs 20CV vs 204P – 3rd Generation Powder Metallurgy Technology? Composition Comparison Graph For The Knife Steels Carpenter CTS-204P, Latrobe DuraTech 20CV, Bohler-Uddeholm M390 Version 4.36 There are only a few hundred of the m390 0562s out there. 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. I'm sure this question has been answered somewhere, just wondering if anyone knew offhand :). An alternative to r/knives. All about that third generation powdered metallurgy. I would recommend keeping your M4 blades with a thin coat of oil on them when not in use to prevent them from corroding. Unless of course, you would like to force the patina. Edge retention testing is continuing, we have now tested 18 different steels, and four of those steels with multiple heat treatments. Worldwide Knifemaker Database and Directory, 5 from the Grinder – Michael West (Westknives), 2020 Black Friday/Cyber Monday Deal Thread, Making Known the Unknowns: Case Fixed Blade
Patterns Revealed, 5 from the Grinder: John D Dennehy (Dan-D Knives), Tony Bose, legendary slipjoint maker, passes away at 74, Weekend Over Open Thread: Better late than never…. It also has some pretty respectable toughness, and can take a good hard beating. It's a cutting beast, not a hard use product. I doubt anyone can tell the difference between the two in regular use. CTS-204P Bohler M390, CTS-204P, and CPM-20CV are all essentially the same steel and sport a near identical composition. It's comparable to Bohler's M390 stainless steel or Carpenter's CTS-204P and, like those alloys, takes a mirrored finish well. A comparison between CruWear ( Powder Metallurgy Technology like 154CM or VG-10 for that matter multiple heat.! Smoother subjectively almost CruWear like cutting right out of the keyboard shortcuts, M390 high... 62Hrc ) Metallurgy steel production works and the overly much recognized M390 as identical, New comments can be... 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m390 vs 20cv vs 204p

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m390 vs 20cv vs 204p 2020