cpm20cv vs m390

M390. Everybody just seems to love M4 and M390 for stainless because they're in a sweet spot for all the attributes. So I am stuck in a hard place between these two steels. 1,674. Any input from knife fans out there would be greatly appreciated. Types of steel that closely resemble Böhler M390. I would think M4 is tougher, have slightly less edge retention, is easier to sharpen, and is less corrosion resistant compared to CPM-20CV. I've just never actually used s90v so I wastn't sure. CTS-204P is made by the USA-based Carpenter Technology Corporation and CPM-20CV is … 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. The 801 is like a higher priced 9103 with a flipper tab, and extra blue annodized hardware and slightly better 14c28n steel vs the 12c27 in the land. It also helped Carpenter to create CTS-204P, which is also quite similar. I read a ton of different opinions on other forums. #6 comis, May 13, 2014. amdmaxx likes this. Those CH3002, and 3507 are extremely high quality, and have stood the test of time. 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. M390 / CPM 20CV is a PM stainless steel that offers good wear resistance with excellent corrosion resistance through the use of high chromium and vanadium content. I prefer M4, as I would guess the majority of people on BF would. #1 ... so I did get them in 20CV and M390 formats. I think the difference is experienced on paper more than it is in common use. The PM process combined with the high chromium content imparts M390 / CPM 20CV with good grindability and excellent polishability. Thanks for the input. When you produce a larger knife you need a type of steel that is a lot tougher, something M390 simply does not excel at. The s35vn, and M390 hold an edge forever, but are not the easiest knives to sharpen. Who uses it: Benchmade, Zero … Take, for instance, CPM 20CV … I've always loved m390/20cv more than any other steel, well except for maybe 154cm from my noob days, so I'll probably stick with the 20cv. As a Powder Metallurgy (PM) tool steel, you get a combination of impressive wear resistance and edge retention plus the added benefit of being highly corrosion resistant due to high … Its brother, N690 is then a much better option. 20CV is objectively better in most categories than S35VN. CPM-20CV is Crucible’s version of Bohler’s popular M390 steel which also influenced Carpenter to copycat with CTS-204P. On a chemical level there are a couple types of steel that closely resemble M390. Sep 9, 2018 #19. Its high austenizing temperature imparts M390 … Disadvantages: Relatively difficult to sharpen. CPM stands for, “Crucible Particle Metallurgy” and is one of the single most coveted stainless “super steels” … 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. CPM 20CV is a martensitic steel, which refers to its hard crystalline structure with lens-shaped or lenticular grains. Advantages: Extremely high wear resistance and corrosion resistance. Martensite forms when austenite cools so quickly that … With significant amounts of Chromium, Molybdenum, Vanadium, and Tungsten, these steels are 100% ready for action. Bohler M390, CTS-204P, and CPM-20CV are all essentially the same steel and sport a near identical composition. In a carbon-rich alloy like CPM 20CV, the process of austenitization heats the steel until its crystalline structure changes to become austenite instead of ferrite. I’ve used both quite a bit, on cardboard, zip ties, … CPM 20CV Steel Introduction. CPM 20CV Steel is Crucible’s answer to Bohler’s M390 stainless steel. RBid. Apr 6, 2014. As for the cpm 20cv i know it has a high corrosion resistance but lacks the toughness the cpm 3v has. These facts alone should tell you something. But I have folders that are top shelf for me, user wise, in the CPM20CV / M390 !

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