With that said, the difference between the 2 is that the 0888 is uncoated and comes with a composite S110V and 14C28N blade, while the 0888MAX is black DLC coated and approximately half of the 0888MAX knives feature Maxamet steel, and the other half have M390 steel bl… All of the following experiments were performed on the later version of S110V, as that is all that is available to purchase. The Manix 2 LW is available at most retailers for around $80.00. This choice comes down to how important corrosion resistance is to the application. Spyderco Military Left Hand Black G10 Plain Edge Satin C36GPLE . Whether this was due to a problem that was observed in production or simply being cautious I am not sure. Spyderco ParaMilitary 2 Dark Gray G10 Stonewash Maxamet C81GPDGY2 . S110V has a finer carbide structure than either S90V or S125V. But not S110. Native® 5 G-10 Black. MAXAMET and S110V both share a low toughness, Maxamet offers better edge retention while the S110V offers better Corrosion resistance. If the carbides form in the liquid they are much larger then if they form during solidification of the powder. However, there is a very specific reason that cobalt is found in S110V. My edge testing shows how various steels retain absolute sharpness at the fine cutting edge vs man made materials, in this case, fibrous rope. Or very high toughness with AEB-L or 14C28N. Native® 5 FRN Dark Blue CPM S110V. S110V is a powder metallurgy stainless tool steel with very high wear resistance. In Crucible’s wear resistance testing of the original S110V, they show the following chart for wear resistance, that appears to show an improvement over S90V: However, if you plot those values versus hardness it becomes apparent that the two steels have the same wear resistance: So Crucible’s data shows that there was no improvement in wear resistance from S90V to S110V, which lines up relatively well with our edge retention testing. However, what is surprising is that it did worse than S90V. There are other elements that can stabilize austenite as well, notably carbon, nickel, and manganese, though those elements also increase retained austenite. No matter for me. Another benefit of a partial replacement of vanadium with niobium is that the carbide size is reduced. However, an increase in both Cr and Mo means a significant improvement in corrosion resistance for S110V. Therefore, I see the main choice being between S110V and S90V for best very high edge retention stainless. Spyderco Para 3 Dark Gray G-10 - Maxamet Blade. The pocket clip, like all PM2 and Para3 clips is just terrible. $217.00. Here is the datasheet. Maxamet’s distinguishing metallurgical characteristic is the high carbon content (2.15%) and the inclusion of 10% Tungsten. Niobium, like vanadium, forms very hard carbides that contribute greatly to wear resistance. I tested S45VN in my 1% saltwater spray corrosion test. Although Maxamet isn't stainless, but at the same time Maxamet is tougher compared to Crucible CPM S110V steel, which can result in better edge holding ability, and cutting performance with the right geometry and heat treatment. However, a revised version of the steel was released, and the datasheet was revised in July 2010. Spyderco Para Military 2 Knife. The Maxamet steel in considered as a “Super Steel”, So it’s a High-end Alloy steel, with an uncommon chemical composition, but I can say that the closest one to it is the CPM S110V(even if it’s stainless steel), in exception of wear resistance; the Maxamet is a great match for the S110v in edge retention, hardness, wear-resistance and price range which is between 100-200 Usd. Through over a month of consistent use, my Paramilitary 2 blade was still sharp enough to slice through phone book paper and stick against my thumbnail. There are no knife steels with corrosion resistance equal to 316, perhaps Vanax or LC200N approaches 304 but it depends on what type of test is being performed. In Stock . This isn't a knife to beat on or put any lateral pressure on. S110V Steel is more balance compared to the Maxemet, as you can see, Maxamet offers extreme edge retention in the cost of other criteria. $305.00. Maxamet. I don’t know the cause but I’m convinced it’s a real effect. So the amount of Ni and Mn needs to be kept to relatively low levels so that a good combination of hardness and corrosion resistance can be obtained. The Mule Team was set up with identical knife blade blank designs in different steels in an attempt to compare apples to apples when testing the knives. Maxamet’s distinguishing metallurgical characteristic is the high carbon content (2.15%) and the inclusion of 10% Tungsten. Get Up To 95% Off Today! The 0888MAX has an overall length of 9.125″, a 3.75″ blade, a weight of 7.56 ounces, and is made in the USA. You’ll pay for it though, at roughly 1.5x the price. In an attempt to clear out some of my unused knives, I’m putting up some of my Spyderco Mule Team blades. The blade features a full-flat grind, a distal taper, and an understated wedge. This might be happening because the knives are from different manufacturers, using different heat treat and blade grinds? Perhaps they identified high Mo as an issue as well, such as difficulty in annealing or excessive hardenability leading to cracking during cooling after forging. Auch von einer Ruinierung der Schneide kann nicht die Rede sein. electroslag, forged ring/ … https://www.patreon.com/Knifesteelnerds, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window). The Spyderco Para Military 2 - What more needs to be said? Para™ 3 G-10 Dark Gray Maxamet. Once the carbides have formed in the melt they are significantly larger than if they form during solidification of the powder, reducing toughness. This isn't a knife to beat on or put any lateral pressure on. FYI the maxamet manix is a lightweight without liners and is pinned. Native® FRN Grey Maxamet. ... S110V. $305.00. Auch von einer Ruinierung der Schneide kann nicht die Rede sein. To put S110V into context, we should compare the composition of the steel with previous Crucible products to see how the evolution led to S110V. Spyderco Native 5 Lightweight Dunkelblau Klappmesser Taschenmesser C41PDBL5 CPM-S110V 4,4 von 5 ... vs the Sage 5, but not enough to stick with the lock back. Understand that a keen edge requires a dimension of around 100nm (1/10 of a micron) and the vanadium-rich carbides in Maxamet, or S110V, or even the chromium carbides in ZDP189 are 1-2 microns in size. Pacific Salt™ 2. I then calculate Ms and plot vs hardness to see where hardness starts to drop from excess RA. Spyderco Native 5 Lightweight Dunkelblau Klappmesser Taschenmesser C41PDBL5 CPM-S110V 4,4 von 5 ... vs the Sage 5, but not enough to stick with the lock back. And niobium carbide contains very little chromium. Spyderco ParaMilitary 2 Dark Gray G10 Stonewash Maxamet C81GPDGY2 . $310.00. CPM-S110V exhibits many of the same qualities as S90V. Also, the chromium “in solution” to contribute to corrosion resistance was actually improved in S90V relative to the earlier S60V by careful control over the carbon and vanadium content, despite the bulk chromium being lower. That said, S30V is a great steel! Not as sharp as steels like AUS8, but pretty sharp. S110V and S90V are my favorites in the very high edge retention stainless steel category, depending on the level of corrosion resistance that is necessary for the application. Elmax. I previously wrote about cobalt additions in this article about VG10. But S30 at least eventually gets sharp, S110 never does (for me). Von Gesichtsrasur war ja ausdrücklich nicht die Rede. S110V is essentially S90V with more C, Cr, Co, Mo, and Nb, and it is difficult to think of scenarios where adding more of those elements would lead to reduced edge retention. Elmax. All PM2s are great at EDC tasks. If you ever wanted to own or buy a knife with excellent edge retention, I m sure someone already recommended the Maxamet steel as steel for your knife, and if you’re reading this blog post, it means you wish to know more about it. an example is an old grade called vasco MA the matrix of M2 steel . Para Military™ 2 Left Hand G-10 Black . Few steels can approach this level of hardness while remaining usable in cutlery applications. Para™ 3 G-10 Dark Blue CPM S110V. If there is any steel in Crucible’s line up that is likely to inherent the mantle of “awesome all around performer” from S35VN (which, in turn, took it from S30V), it will be this steel (or one yet released). That aside, the Manix is … Through over a month of consistent use, my Paramilitary 2 blade was still sharp enough to slice through phone book paper and stick against my thumbnail. As mentioned in the niobium section, there are limits to niobium alloying with typical powder metallurgy steel production. When knife steel is heat treated you have to heat it to high temperature to “austenitize” the steel prior to quenching to transform the steel to hard martensite. The patent for S110V and the original datasheet released in September 2008 (I archived it here) is the original composition labeled as “patent” in the composition table. Because niobium is a strong carbide former, it wants to form carbides at very high temperatures, often in the liquid steel. $305.00. Since Nb improves corrosion resistance by helping the Cr go further, they may have attempted to compensate for the reduction in Nb by increasing the bulk Cr from 14% to 15.25%. Very interesting article. Regardless, the edge retention of the steel is high and perhaps worrying about whether or not it is as good as S90V isn’t of practical use. It’s high-speed tool steel made by @CarpenterTechnology. Find out how you can achieve more! The corrosion performance didn’t seems impressive . Instead, the inventors of S110V used cobalt, which is an austenite stabilizer at high temperatures but does not increase retained austenite when quenching to martensite, unlike Ni and Mn. S90V offers somewhat better toughness and edge retention making it more balanced for applications that need only medium corrosion resistance. S30V is not in the same wear resistance class as the other steels, but the design of that steel may have influenced the others so I included it. Es hatte geheißen, daß Armhaare nicht denkbar seien. The Maxamet steel in considered as a “Super Steel”, So it’s a High-end Alloy steel, with an uncommon chemical composition, but I can say that the closest one to it is the CPM S110V(even if it’s stainless steel), in exception of wear resistance; the Maxamet is a great match for the S110v in edge retention, hardness, wear-resistance and price range which is between 100-200 Usd. Native® 5 FRN Pink. CPM-S110V exhibits many of the same qualities as S90V. Spyderco Para Military 2 Knife. I imagine a steel combining the corrosion resistance of marine-grade 316 stainless steel with the edge resistance of M4 , 15V or even Rex121 in the near future . With increased Cr in solution, but decreased Mo, it is not clear which version would have superior corrosion resistance. most of these carbides are of M6C type while only 1.7% by volume is vandium carbides . Und nach meinen Recherchen spricht einiges dafür, daß S110V zäher als S90V ist, also etwas weniger zu Ausbrüchen neigen sollte. Sie ist lediglich nicht mehr fein geschlossen. Aber persönliche Erfahrungen und eine Sammlung detaillierter Informationen zu S110V. So forming austenite at high temperature is the first required step for the final heat treatment of a knife. This does not appear to be an issue of experimental variability as none of the tests performed on S110V resulted in as high values as the average result of S90V (each was tested 3 times). electroslag, forged ring/ … All PM2s are great at EDC tasks. However, more carbon means more carbides which reduces corrosion resistance and toughness, as described in this article. $216.00. The matrix of high speed steels contains only between 0.4-0.6% C , so 0.5% C seems to be enough for reaching high hardness . using 5% Ni instead gives Ms of about -66°C (-87°F) . Eine extreme Legierung mit unglaublichen Härtewerten und einer atemberaubenden Schnitthaltigkeit. This uses a standard rectangular knife ground to 0.015″ prior to putting a final edge of 15 dps with a 400 grit CBN matrix stone. Chromium carbides are softer than vanadium carbides and therefore contribute less to wear resistance. $217.00. Although Maxamet isn't stainless, but at the same time Maxamet is tougher compared to Crucible CPM S110V steel, which can result in better edge holding ability, and cutting performance with the right geometry and heat treatment. I don’t know how much S110V would have been made into knives before the change in composition, but it is interesting that a relatively large change was made to the steel but without a name change. The Griptilian is comfortable but it feels totally different in your hands versus the PM2. $295.00. S110V has somewhat more carbide than S90V, making it even more impressive that the carbide size is finer. The steel has good properties including high edge retention and corrosion resistance along with decent toughness. (This is not heat-related). Opus™ $218.00 SALE. I swap the parts around. Both of these steels are a real bear to sharpen up! vasco MA which contains only 0.5% C reach a maximum of 62 HRc while the M2 can reach 65-67 HRc due to presence of about 10% volume of undissolved carbides . S110V has very high edge retention, as expected, being similar to CPM-10V. Sharpening them all on diamond resin stones, and stropping with diamond paste on leather ends in a hair whittling edge on all 3 knives (including the S110V). Because Crucible already had steels S90V and S125V prior to S110V we have to discuss briefly the history of those steels. 1 year ago. Und das ist definitiv falsch. But I can get the S90 decently sharp. My Native 5 in Maxamet is the only one of my 3 Native 5’s that I have had Rockwell tested and it came in at 67 HRC. With S110V having quite a bit of each of those elements the steel cannot be fully hardened when it has no cobalt in it. The patent for the steel was first filed in 2006 by inventors Alojz Kajinic, Andrzej Wojcieszynski, and Maria Sawford, all of Crucible Steel. This behavior was seen with M390 when austenitizing too high. why didn’t just replace the nickel in 316 steel for example by cobalt to make such steel “hardenable” ? The cobalt content was increased from 2 to 2.5%, likely based on updated estimates of how much austenite stabilization is necessary after the changes to Nb, Cr, and Mo. The changes were likely made to improve “manufacturability,” such as issues with gas atomization, forging, or annealing of the steel. Try as I might, I can’t get S110 to push cut paper at right angles. P'Kal™ G-10 Black. the effect of cobalt on raising martensite start temperature inspires me an idea . Learn more in this article about carbides. I will use “0888” and “0888MAX” interchangeably throughout this article except for when specifically discussing the steel below. P'Kal™ G-10 Black. Wear Resistance: the wear resistance is excellent, due to the Tungsten, Vanadium, and Carbon, the Maxamet offers a great wear resistance. Where a steel like S30V really shines is in sharpening. It’s was a belt for knives with a different chemical composition, it has a high volume of Tungsten and high in carbon which is revolutionary in the knife industry. $200.00. I didn’t know how realistic is Jmatpro but I’m sure that 0.5% carbon should secure 55-60 HRc hardess . Go buy one for yourself, and everyone you know, as a Christmas present. (from my limited experience and the specific design goals for … If there is any steel in Crucible’s line up that is likely to inherent the mantle of “awesome all around performer” from S35VN (which, in turn, took it from S30V), it will be this steel (or one yet released). The obvious answer is Yes, its prey good for knives, especially if you’re looking for a knife with excellent edge retention and very high wear resistance, Maxamet is a “Super steel” for your knife, but it’s not a stainless steel, it has only 4% of chromium in it, so it’s not so great concerning corrosion resistance. However, a version of S125V with 2.7% Mo was in the S90V patent, which predated S30V, so it isn’t 100% clear in which direction inspiration occurred. If you find trouble understanding the meaning of hardness or HRC, here you can find a blog post explaining it. This will be relevant to the toughness discussion later on. If you are unfamiliar with the Para Military 2, this will help you get a better understanding of one of the most popular knife designs in the past 10 years. I will discuss the differences after describing more about the general design of the steel. These heat treatments all included a cryo step after quenching. As mentioned in the article deburring is mostly an effect of retained austenite, and the recommended heat treatment for the steel isn’t necessarily the best for avoiding it. Understand that a keen edge requires a dimension of around 100nm (1/10 of a micron) and the vanadium-rich carbides in Maxamet, or S110V, or even the chromium carbides in ZDP189 are 1-2 microns in size. The s110v blade of this Manix 2 blurple is very very sharp so be careful with it. In fact the revised datasheet shows all of the same data for corrosion resistance, hardness, and wear resistance despite the fact that the change in composition was relatively substantial. Spyderco Paramilitary 2 vs Benchmade Griptilian : It’s no secret the Griptilian is one of my favorites but overall the PM2 is simply a better knife. Your email address will not be published. Corrosion Resistance: Corrosion resistance is always related to the amount of Chromium in the steel, the Maxamet has a low amount of (4% compared to 12-14% in the stainless steels), which makes not great steel for corrosion resistance. Von Gesichtsrasur war ja ausdrücklich nicht die Rede. Even with that handicap, it’s a great knife. $265.00. Read all 5 Reviews » Paramilitary 2 Series. This would likely make the new version marginally worse in terms of toughness-wear resistance balance, as the original version had a higher proportion of NbC and VC and slightly less overall carbide. In Stock . Maxamet is a powder steel from Carpenter, an American steel company. Each knife comes without scales or … Pacific Salt™ 2 Black Blade. I don’t know of any other powder metallurgy steels that even have as much as the 3% in the current version of S110V. One of the major changes that was being made to S110V when compared to S90V/S125V was the addition of niobium. $200.00. Native® 5 G-10 Dark Blue CPM S110V. There is another aspect of S110V vs S90V that I would like to mention. $160.00. The standard blade steel of the Native 5 is CPM S30V stainless steel, but Spyderco has expanded that offering with additions like super high-grade CPM-S110V and Maxamet steels.
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