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m390 vs 20cv vs 204p

november 30, 2020 Geen categorie 0 comments

Supply and demand. The M390 knife steel is identical to the CPM 20CV or the CTS-204P in comparison of hardness (62HRC). I would say that the difference in edge retention and corrosion resistance between S90V and M390/204P/20CV is pretty insignificant. Your email address will not be published. Toughness Test K390 vs Cruwear vs S110V. Like you said, m390 and 204p (and also 20CV) are basically identical. Hey, at 20% chromium, it’s also really good at corrosion resistance! 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…. In my experience, it takes a keener edge, holds it much longer, and is not markedly more difficult to sharpen. You won’t see much wear at all from the thing even through some pretty rough use. KnifeMagazine.com is our online presence, offering news, events and other information to all visitors and a wealth of information to Premium Online Members including information on historical knife markings, knifemaker markings, about 500 magazine issues, and more! That is if you can put aside personal bias. Who uses it: Benchmade, Zero Tolerance. Latrobe 20CV alone has proven sharper smoother subjectively almost Cruwear like cutting right out of the box. So surprised how CTS-204P fails to be recognized as the M390 Equal. With significant amounts of Chromium, Molybdenum, Vanadium, and Tungsten, these steels are 100% ready for action. 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. Like you said, m390 and 204p (and also 20CV) are basically identical They are effectively the same steel. Type and hit enter to display search result. The knife was originally in m390 but they switched to 204p because they were having problems getting m390. There are only a few hundred of the m390 0562s out there. An alternative to r/knives. The ingot has a very small level of porosity, which is eliminated in the forging and rolling process. 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. There are only a few hundred of the m390 0562s out there. Press J to jump to the feed. M390. Is there a reason people prefer M390 over CTS-204P? They are more similar than they are different in terms of performance. M390 is a huge improvement over s30v. 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. Edge retention testing is continuing, we have now tested 18 different steels, and four of those steels with multiple heat treatments. Comparing: CPM S35VN vs. CPM 20CV. Required fields are marked *. In the Comparison on cts 204p vs m390 steel that M390 is first and foremost an awesome edge retention steel. 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). CTS-204P is American made, M390 is high quality and imported, accounting for the higher price? The knife was originally in m390 but they switched to 204p because they were having problems getting m390. 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. The m390 0562cf's are more expensive than the 204p version because they're more rare. 20CV and M390 are shown in the table above for comparison purposes. 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. 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. It's a cutting beast, not a hard use product. (Granted, heat treat might be a little different, but we're talking Benchmade and Spyderco, here, so they'll both be very good. 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. M390 vs 20CV vs 204P – 3rd Generation Powder Metallurgy Technology? 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. I wrote about how powder metallurgy steel production works and the history of it in this article. Your email address will not be published. Edge retention testing is continuing, we have now tested 18 different steels, and four of those steels with multiple heat treatments. In this case, there is a lower supply of M390. I have an M390 0652 and my serial number is 0957, aren't they stamped numerically? 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. Someone probably made a decent-sounding argument, and then everyone else just bought into it because it sounds good. Carpenter CTS-204P is a powder metallurgy stainless steel. Save my name, email, and website in this browser for the next time I comment. M390 vs 20CV vs 204P – 3rd Generation Powder Metallurgy Technology? 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. All about that third generation powdered metallurgy. I doubt anyone can tell the difference between the two in regular use. Thanks to Josh Warren and Alex K for becoming Knife Steel Nerds Patreon supporters! My experience puts CTS-204P and the overly much recognized M390 as identical. M390 has been around a bit longer (at least so it seems) and you have more knives in it. Composition Comparison Graph For The Knife Steels Carpenter 20CP, Latrobe 20CV, Carpenter CTS-204P, Bohler-Uddeholm M390, Crucible S90V Version 4.36 M390 exhibits excellent edge retention, corrosion resistance, and high level toughness. It also has some pretty respectable toughness, and can take a good hard beating. The m390 0562cf's are more expensive than the 204p version because they're more rare. Below shows a comparison between CruWear (conventional) and CPM CruWear (powder metallurgy). From specs, they seem to be almost exactly the same steel. Disadvantages: Relatively difficult to sharpen. They are both pretty much the same steel. Unless of course, you would like to force the patina. I'm sure this question has been answered somewhere, just wondering if anyone knew offhand :). I am told it is as tougher than s30v, but I have not broken nor chipped either steel so cannot say for sure. I'm people and I don't prefer M390 over CTS-204P. The carbides (white particles) are finer and more uniform in the powder metallurgy version. IMHO, M390 is a true super steel whilst s30v is simply a very good steel. CTS-204P Bohler M390, CTS-204P, and CPM-20CV are all essentially the same steel and sport a near identical composition. Press question mark to learn the rest of the keyboard shortcuts. I'm thinking that Carpenter makes more 204P than Bohler makes M390. The rapid cooling to produce powder rather than slow cooling to form an ingot leads to less segregation of alloy in the steel and a finer microstructure. According to some manufacturers and knife makers, the 20CV is the best of the three at holding an edge. Advantages: Extremely high wear resistance and corrosion resistance. 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. M390 vs 20CV vs 204P – 3rd Generation Powder Metallurgy Technology? It's comparable to Bohler's M390 stainless steel or Carpenter's CTS-204P and, like those alloys, takes a mirrored finish well. ), New comments cannot be posted and votes cannot be cast. While they have similar histories and composition, there are a few. Source: Knife Steel Nerds. I would recommend keeping your M4 blades with a thin coat of oil on them when not in use to prevent them from corroding. If you were comparing CPM-M4 to CPM-3V for such a tool the decision would be far more difficult. Or even between those two steels and steels like 154CM or VG-10 for that matter. Come to Patreon if you want updates on testing as it is completed. All things pocket knives. It is highly wear resistant so it will hold an edge for a long time. 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. The composition is almost identical to Bohler M390. Beyond that example, they're almost identical. Data Sheets: 20CV Data Sheet CTS-204P Data Sheet M390 … For example, the ZT0562CF is worth a lot more in M390. Composition Comparison Graph For The Knife Steels Carpenter CTS-204P, Latrobe DuraTech 20CV, Bohler-Uddeholm M390 Version 4.36 There are relatively few 0562cf made in M390, so they're valuable simply for the rarity/collectability. 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. Either that or im making a couple in CPM m4 or m390. I have learned more from Knife Steel Nerds than I have from any other site we share. Come to Patreon if you want updates on testing as it is completed. March 30, 2020 Larrin. Edge retention testing is continuing, we have now tested 18 different steels, and four of those steels with multiple heat treatments. 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. I love my CTS204P Para2 which is the same alloy as M390 but made by a different foundry.

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