CPM 20CV Steel Introduction. Knifemaking & Materials M390 vs 20CV vs 204P – 3rd Generation Powder Metallurgy Technology? Chromium is what gives steel its ability to resist corrosion, but it is less tough and wear resistant than other metals. Just a great compromise of wear resistance, … All-Around: M390, CTS-204P, and CPM-20CV. This Griptillian has a blade of CPM 20CV-steel. Too common to be called "Hype". The downside is that 20CV can be extremely challenging to properly sharpen. To the compare by cts 204p vs m390 now the described the cts 204p.The nearly four-inch blade is created of fine-grained CTS 204P, a challenging, use and deterioration proof metal ready for hard-duty. All of the steels run sub $200, the kydex sheathes from Bradford are nice too and I would recommend them often the leather ones. CPM 20CV Stahl ist die Antwort von Crucible Industries auf den Edelstahl M390 von Böhler.Er half Carpenter auch bei der Entwicklung des sehr ähnlichen CTS-204P.. Diese Fakten allein sollten dem Messerliebhaber schon eine Menge sagen. Be first to receive news about sales, coupons & new promotions. 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. Comparing: CPM S35VN vs. CPM 20CV. I would recommend keeping your M4 blades with a thin coat of oil on them when not in use to prevent them from corroding. Knifemaking & Materials M390 vs 20CV vs 204P – 3rd Generation Powder Metallurgy Technology? 20cv will hold an edge the longest, so if you don’t plan on beating on the thing I would go with that. CTS 204p Vs M390 CTS 204p. 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. CTS-204P is made by the USA-based Carpenter Technology Corporation and CPM-20CV … Introduction to CPM S35VN This powder metallurgy metal features vanadium-rich carbides for top use level of … Niobium is even better than vanadium at keeping grain sizes small, so its addition to the alloy helps increase edge retention without giving up toughness or wear resistance. Zero Tolerance Knives (ZT Knives) is a big name in the knife world, delivering an amazing line of high-quality, hard-use knives that are popular amongst law enforcement, military, and civilian knife users. At lower Rockwell's 20cv can be tough but not really at 60-62hrc. CTS-204p is a fantastic super steel and the Paramilitary 2 is probably the highest performing folder for the money. M390 vs 20CV vs 204P – 3rd Generation Powder Metallurgy Technology? On the Rockwell Hardness scale, CPM S35VN rates 58-61 HRC. From an elemental perspective, the two … Molybdenum helps to prevent the pitting type of corrosion by lending the steel more strength. (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. Spyderco planned its initial use of CTS XHP in the creation of a 5.3-ounce knife with a 3.13-inch skinner blade. 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]. 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 … All-Around: M390, CTS-204P, and CPM-20CV. 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. The vanadium in the alloy works to create a fine grain structure that helps hold an edge. CPM 20CV is a martensitic steel, which refers to its hard crystalline structure with lens-shaped or lenticular grains. HRC | 58-61 | 59-61 Edge retention testing is continuing, we have now tested 18 different steels, and four of those steels with … CTS-204p which I have, out performed M390 by some degree in Jim Ankerson's edge retension testing. M4 is not stainless, but it is tougher than the rest. Scales are one thing, but let’s discuss the business end. The two steels also have a similar hardness profile on the Rockwell scale - up to 61. Hardness Ability. CTS-204P. There are only a few hundred of the m390 0562s out there. Zero Tolerance: 0456 - Sinkevich Design Please note: our remaining stock is in the CPM-20CV blade steel (formerly listed as CTS-204P). S35VN is as tough on longitude as 420C (the hardest stainless steel), but five times tougher on transverse so it won't chip or break. Hey all, this is my first post, though I've been lurking around for awhile now. I think 20cv has a very slight chemical composition difference and the powder technology is not as refined as m390. The remainder of the knife’s materials also consisted of Carpenter steels, including a … The higher percentage of vanadium in this steel creates a fine grain structure to better hold an edge. The 0456 offers the premium cutting power for which ZT is well known in a knife with standout looks that are just waiting to be shown off. The 0456 offers the premium cutting power for which ZT is well known in a … 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. CPM 20CV-steel. The CATRA test, which measures the sharpness and edge life of a blade by comparing it to 440C, rates CPM 20CV 180% better. I have a knife with m390 and love this steel 204p and 20cv are supposed to be US versions of bohlers m390. According to some manufacturers and knife makers, the 20CV is the best of the three at holding an edge. 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. (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. Like you said, m390 and 204p (and also 20CV) are basically identical On the surface, the blade itself looks identical to that found on the original models. It's low maintenance and great at absolutely everything) CPM steht für “Crucible Particle Metallurgy” und ist einer der beliebtesten rostfreien … I say go for it. 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. They're all corrosion resistant steels aimed at toughness and edge retention. Despite the good edge retention, S35VN can be a bit difficult to sharpen. It's comparable to Bohler's M390 stainless steel or Carpenter's CTS-204P and, like those alloys, takes a mirrored finish well. Crucible achieved the balance by combining a vanadium for edge retention with a high percentage of chromium. This premium "super steel" is used in many Benchmade knives and several Hinderer and Zero Tolerance models. It is a bit trickier to sharpen (we recommend diamond stones) but once it is sharp it stays … CPM S35VN is made with 14% chromium to maximize stain resistance and corrosion without giving up too much toughness. Zero Tolerance, Chris Reeve and Hinderer all make several popular models with S35VN blades. According to some manufacturers and knife makers, the 20CV is the best of the three at holding an edge. � Yeah, you can also add CTS-204P to that club. Molybdenum helps to prevent the pitting type of corrosion by lending the steel more strength. This grade is equal to CTS-204P and Böhler M390 steel. It is one of the most coveted steel types of the moment. Hardness Ability. March 31, 2020. It is one of the most coveted steels of the moment. So we can understand more the Steel, let’s see its chemical composition. Zero Tolerance and Belarusian custom knife maker Dmitry Sinkevich have teamed up to produce the 0456. Stainless/Corrosion Resistance. 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.. Along with CTS XHP, these include CTS 204P, CTS B70P, CTS B75P, CTS BD1, CTS BD30P, CTS 204P, CTS 20CP, and CTS 40CP. Adding molybdenum increases the strength needed to hold the edge over time, and the added tungsten also helps keep the edge. The original SOCOM has remained a highly popular folding knife since its inception in 1996. The SOCOM Elite® Manual sets the standard for tactical/utility cutlery. Indistinguishable from the same brand as a user for me, but different when you go from Spyderco to Hinderer to ZT. Spyderco Paramilitary 2 Tan G-10 - 20CV Blade. The CATRA test measures the sharpness and edge life of a blade by comparing it to 440C; CPM S35VN is 145% better. The addition of molybdenum increases the material's strength to properly hold the edge. But my employer frowns upon fixed blades because they're "more likely to be used violently or injure you on accident". If you’re looking for all all-around best knife steel, you’d be hard-pressed to find one better than Bohler Uddeholm M390. CPM 20CV is one of the best steels for retaining an edge. sam says. You are viewing 20CV. Chromium is what gives steel its ability to resist corrosion, but it is less tough and wear resistant than other metals. 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. 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.. The answer depends on what you'll be primarily using the knife for. Come to Patreon if you want updates on testing as it is … That’s part of why it’s so highly regarded, in the first place. The addition of molybdenum increases the material's strength to properly hold the edge. Seems Spyderco just nailed that run. ... Because the older run of the knife was with CTS-204P I called the company prior to purchase because I really wanted the CPM-20 CV. Martensite forms when austenite cools so quickly that … The m390 0562cf's are more expensive than the 204p version because they're more rare. So we can understand more the Steel, let’s see its chemical … Zero Tolerance: 0456 - Sinkevich Design Please note: our remaining stock is in the CPM-20CV blade steel (formerly listed as CTS-204P). CPM 20CV(Latrobe) - Recently appeared in Latrobe steel listings, and coincidentally, Duratech 20CV steel has disappeared form the same listing, composition is 100% identical though, apparently just the technology changed to CPM. Comparing: CPM S35VN vs. CPM 20CV. I have all 3 from the same brand (20cv and m390 PM2, 204p Military; and m390 and 20cv from Hinderer or ZT). Molybdenum | 2% | 1% The finished S35VN steel is made of 1.4% carbon, 14% chromium, 3% vanadium, 2% molybdenum and 0.5% niobium. The Zero Tolerance 0456 is a high-quality American-made folding knife that carries many of the features of a high-end knife - top quality materials, high tolerance manufacturing, and a design that reflects modern aesthetics with an eye towards performance. 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. Toughness. No one type of steel is right for every knife, and by fully understanding the differences between popular types of steel, you'll be better able to make the right decision for your next big knife purchase. I decided to pull the trigger on a custom benchmade griptillian, with a drop point blade. CPM 20CV Steel is Crucible’s answer to Bohler’s M390 stainless steel. This ZT flipper design comes acclaimed designer Dmitry Sinkevich. SOG then released the Team Leader model in Duratech 20CV. Carpenter CTS-204P is a powder metallurgy stainless steel. CPM stands for, “Crucible Particle Metallurgy” and is one of the single most coveted stainless “super steels” … Of the three PM2's I have had, it was the only one out of the box that the knife was just flawless in every aspect. Edge Retention. On the Rockwell Hardness scale, CPM S35VN rates 58-61 HRC. Worth $200 bucks for a custom knife in 20CV then? And thanks for the info. I dunno about you, but I can absolutely tell the difference in cutting ability between my Kershaw cryo (8cr13mov) and my sog … interestingly, Crucible doesn't list CPM 20CV steel on their website. With the exception of the Doug Ritter Griptilian versions (previously offered in S30V, and recently in M390 as a limited edition), Benchmade has not offered the beloved … No one type of steel is right for every knife, and by fully understanding the differences between popular types of steel, you'll be better able to make the right decision for your next big knife purchase. 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. Edge Retention (out of 5) | 4 | 5 Reply. The answer depends on what you'll be primarily using the knife for. I have an esee izula for that, great little blade. Higher chromium amounts allows some of the metal to form a protective, passive film of chromium oxide that repels rust and prevents staining. 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. Stainless/Corrosion Resistance. Not sure yet on designs and colors. They're all corrosion resistant steels aimed at toughness and edge retention. S35VN is as tough on longitude as 420C (the hardest stainless steel), but five times tougher on transverse so it won't chip or break. Chromium | 14% | 20% Another consideration is corrosion. Toughness. I also did experiments to analyze the different products including carbide size, impurity levels, and inclusions. What sets the 556-1 apart is the CPM-20Vsteel alloy which you won’t find on any of the previous Griptilian models. 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. Been lots of talk about M390/20CV/204P, about there HRC, about how HRC is relevant to edge retention, and how relevant my … SOG then released the Team Leader model in Duratech 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 levels of … 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. The 20CV stainless steel retains sharpness extremely well and is … CPM 20CV is a steel created by Crucible to be excellent at resisting wear and corrosion, balanced with good toughness. Crucible achieved the balance by combining a vanadium for edge retention with a high percentage of chromium. How Are The Two Steels Similar? Latrobe was purchased by Carpenter in 2011 [13] though Carpenter continued to sell their CTS-204P. The high percentage of chromium with a bit of molybdenum makes 20CV one of the best high-end, corrosion-resistent steels used in knife blades today. The downside is that 20CV can be extremely challenging to properly sharpen. One of the top tier steels you’d want on a nice knife. The addition of niobium makes CPM S35VN about 15% to 20% tougher than CPM S30V without giving up any durability. According to some manufacturers and knife makers, the 20CV is the best of the three at holding an edge.