It also helped Carpenter to create CTS-204P, which is also quite similar. Hardness Ability. That’s part of why it’s so highly regarded, in the first place. The answer depends on what you'll be primarily using the knife for. CPM 20CV is a steel created by Crucible to be excellent at resisting wear and corrosion, balanced with good toughness. SOG then released the Team Leader model in Duratech 20CV. Edge Retention. The CATRA test, which measures the sharpness and edge life of a blade by comparing it to 440C, rates CPM 20CV 180% better. Crucible's goal was to create an even tougher steel that didn't sacrifice resistance to corrosion, and they did that by using niobium carbides in place of some of S30V's vanadium carbides. Molybdenum helps to prevent the pitting type of corrosion by lending the steel more strength. Corrosion Resistance (out of 5) | 3.5 | 4 Despite the good edge retention, S35VN can be a bit difficult to sharpen. If you’re looking for all all-around best knife steel, you’d be hard-pressed to find one better than Bohler Uddeholm M390. For a heavy-on-the-science look at carbides, visit Knife Steel Nerds). Chromium is what gives steel its ability to resist corrosion, but it is less tough and wear resistant than other metals. You won’t have any regrets! Molybdenum | 2% | 1% Unless of course, you would like to force the patina. Zero Tolerance: 0456 - Sinkevich Design Please note: our remaining stock is in the CPM-20CV blade steel (formerly listed as CTS-204P). This premium "super steel" is used in many Benchmade knives and several Hinderer and Zero Tolerance models. All-Around: M390, CTS-204P, and CPM-20CV. On the Rockwell Hardness scale, CPM S35VN rates 58-61 HRC. 20cv will hold an edge the longest, so if you don’t plan on beating on the thing I would go with that. Martensite forms when austenite cools so quickly that … S35VN is a tougher steel, but falls short of 20CV in edge retention. Toughness. CPM-20CV is Crucible’s version of Bohler’s popular M390 steel which also influenced Carpenter to copycat with CTS-204P. You are viewing 20CV. (Carbides are hard particles comprised of carbon alloys in the steel matrix that indicate toughness and wear resistance but can be brittle in the wrong combinations. They're all corrosion resistant steels aimed at toughness and edge retention. For that matter, most of the steels like Cruwear, K390, etc, derive reputations from being stable at high hardness. Winkler Highland Hatchet - Curly Oak Tomahawk, Chris Reeve Large Sebenza 21 Tanto - Micarta Inlay Folding Knife, Kurt Merriken Custom 3" Phantom San Mai Damascus, Brian Tighe - Tighe Down Integral - RWL34 & Carbon Fiber Inlay, Hinderer Extreme Duty Pen Copper - EDP Tactical Pen, Tuff Writer Precision Press Flamed Titanium Tactical Pen. � Introduction to CPM 20CV Given a good process, the M390/20CV/204P family can be plenty edge-stable (read as: not chippy or prone to rolling) at 62-64 hrc. I think 20cv has a very slight chemical composition difference and the powder technology is not as refined as m390. Like you said, m390 and 204p (and also 20CV) are basically identical The CATRA test measures the sharpness and edge life of a blade by comparing it to 440C; CPM S35VN is 145% better. This Griptillian has a blade of CPM 20CV-steel. Comparing: CPM S35VN vs. CPM 20CV. 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. Both CPM S35VN and CPM 20CV contain vanadium, which is valued for its ability to create a finer grain in the steel that typically improves its ability to hold an edge. Image from a 2005 Blade Magazine [8] Carpenter steel introduced their copy of M390 as “Micromelt 20-4” in 2009 [10][11] and was renamed as “CTS-204P” by the beginning of 2010 [12]. Toughness (out of 5) | 4 | 3 CTS-204p is a fantastic super steel and the Paramilitary 2 is probably the highest performing folder for the money. According to some manufacturers and knife makers, the 20CV is the best of the three at holding an edge. The original SOCOM has remained a highly popular folding knife since its inception in 1996. Many quality knife manufacturers use both types of steel in their offerings, so it's important to remember that both are good choices for toughness, wear and edge retention. Both have exceptional edge retention, though I'd say m390/20cv/204p out lasts it from what I've seen in all the independent tests. Tungsten | 0 | 0.6%. Just a great compromise of wear resistance, toughness and corrosion resistance. interestingly, Crucible doesn't list CPM 20CV steel on their website. Worth $200 bucks for a custom knife in 20CV then? According to some manufacturers and knife makers, the 20CV is the best of the three at holding an edge. CPM-20CV is Crucible’s version of Bohler’s popular M390 steel which also influenced Carpenter to copycat with CTS-204P.. 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 levels of chromium. Knifemaking & Materials M390 vs 20CV vs 204P – 3rd Generation Powder Metallurgy Technology? When choosing between CPM S35VN and CPM 20CV, the first question to ask is whether you value toughness, or the blade's ability to keep from breaking, over edge retention, or the blade's ability to stay sharp. It stays sharp for a long time, is stainless and extremely hard. 20CV and M390 are shown in the table above for comparison purposes. Made by @Crucible CPM 20CV is a martensitic stainless steel high in Vanadium, Chromium, and Carbon for excellent wear resistance and corrosion resistance, it’s used for plastic injection feed screws, barrel liners, screw tips, mold cavities, and premium Knives.. 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 levels of … Which is bull, anybody who knows anything about knives will tell you a quality fixed blade is inherently sturdier than a folder, since there's no lock to fail on you. Image from a 2005 Blade Magazine [8] Carpenter steel introduced their copy of M390 as “Micromelt 20-4” in 2009 [10][11] and was renamed as “CTS-204P” by the beginning of 2010 [12]. The CATRA test measures the sharpness and edge life of a blade by comparing it to 440C; CPM S35VN is 145% better. This premium "super steel" is used in many Benchmade knives and several Hinderer and Zero Tolerance models. This puts them comfortably in the middle-to-high-end of the hardness range for premium knife steels. The CATRA test, which measures the sharpness and edge life of a blade by comparing it to 440C, rates CPM 20CV 180% better. Stainless/Corrosion Resistance. It's comparable to Bohler's M390 stainless steel or Carpenter's CTS-204P and, like those alloys, takes a mirrored finish well. All-Around: M390, CTS-204P, and CPM-20CV. The finished S35VN steel is made of 1.4% carbon, 14% chromium, 3% vanadium, 2% molybdenum and 0.5% niobium. From an elemental perspective, the two … Another consideration is corrosion. Been lots of talk about M390/20CV/204P, about there HRC, about how HRC is relevant to edge retention, and how relevant my … On the Rockwell Hardness scale, CPM S35VN rates 59-61 HRC. Edge Retention. CPM S35VN hasn't been around all that long -- it originated in 2009 as Crucible Industries' attempt to improve on their previous top steel, CPM S30V. sam says. Both CPM S35VN and CPM 20CV contain vanadium, which is valued for its ability to create a finer grain in the steel that typically improves its ability to hold an edge.

204p vs 20cv

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