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I know that one does not normally make knife blades of titanium, but I gather that Ti is extremely corrosion resistant, used for saltwater applications, etc. I have the average composition of the steels rated above (plus some extras) so you can see what the different names refer to. They made planer blades out D2 for its edge retention. 14c28n is the most popular material for the knife: stainless steel and made by the Swedish company. D2 will go through a lot more rope at 58-59 hard than AEB-L will at 64 hard. The hardness level of steel is determined using a universal scale called the "Rockwell C Test", commonly called the Rockwell hardness scale (HRC). worldwide, even the chinese have an equivalent (8cr13mov). Most of the midrage ifferings have 14c28n, how does it compare to d2 in your experience? Below shows approximate maximum hardness vs stainless rating for several stainless knife steels. This refers to the angle of your edge and the thickness of the knife behind the edge. Are you okay with that? Kershaw, Spyderco and Schrade are among some of the popular users of this steel.. 14C28N. D2 seems to run at high hrc. I was recommended the Rat 1 in D2 and I also found that I really like the design of the Ruike p135 and p128. MC66 If you are looking for a high-end knife on a budget, the varieties of both steel will serve you. 14C28N is stainless steel, and its knives offer excellent rust resistance and toughness than D2 steel. Custom maker Brian Trudeau uses Nitro V, and Massdrops Perpetua design is the first production knife to sport it. Would love to see where S7 sits on the Corrosion/Edge/Toughness meter. Rowens heat treat on ESEE knives that use 1095 is exceptional; KA-BARs is less so. I would think that the label applies to either the line or the outlier, but probably not both unless the outlier is a measurement error. Who looking for latest, high carbon, then the Kershaw Natrix Copper Pocketknife. Vanadium carbides are among the hardest that form in steel, and chromium carbides are in between iron carbide and vanadium carbide. However the 14c28n steel would be great for an EDC knife with typical usage. These steels are the good old hard-working steels. Still looking forward to magnacut making it into high volume production and use. However, Kershaw asked Sandvik to make their 13C26 steel more resistant to corrosion, and the result was 14C28N. then you have zirconia and diamond coated blades. Corrosion Resistance: D2 steel has a higher chromium content than 8Cr13MoV, which makes it better at resisting corrosion and wear. In thick forms, like a fixed blade, 1095 isa tough, low-cost steel. 8670 and 5160 are good choices for large knives that need very high toughness. Very much appreciate you. INFI is also quite hard and sharpens easily. I think this website is aimed at dispelling these kinds of assertions. The following are less common steels, but theyre definitely worth tracking down. Thank you. I havent tested Sleipner yet. What is pulling that line high and to the right? The unique process used to make LC 200N results in a fine-grain structure. 1% saltwater will separate between other stainless steels. The most balanced is CPM-MagnaCut which is in an area all by itself on the chart. Because of its difficulty in sharpening and machining, its very rarely used and comes with a high price premium. In general, higher carbon steels have higher edge retention but lower toughness. 14C28N steel is the improved version of 13C26 with better rust resistance. Now that is power planer blades, but the principle stands, less carbon and alloy isnt the best for wood working and Id use a steel like 26C3 (1.25% C .30%Cr) for my hand tools and temper them to around 62 hard and use the best angle for wood shaving, not the best angle for cutting rope. Metallurgy and Testing of Knives and Steel. Steel softens as tempering temperature increases, but certain steels see an increase in hardness in a certain higher temperature range such as shown below for high speed steels that are designed for this type of tempering: This high temperature tempering can be done for several reasons, such as better resistance to overheating during grinding, or because a coating will be applied to the knife that requires a high temperature. And while youll find it mostly in expensive knives, quite a few approachable M390 blades exist. For example, Bohler M390, CTS-204P, and CPM-20CV are all nearly identical and indistinguishable in practice. does 1.4116 deserve the title of title of ultimate trash steel? Steel ratings are not about ranking steels in terms of what is better than another, but understanding the different balances such as toughness vs edge retention. Short of purposeful abuse, its all but impossible to chip an edge on an INFI blade. Take a look at this edge retention test. But which? In particular, I really care about the toughness / hardness part. You can read more about these factors in my book Knife Engineering. Some of these steels also have vanadium (CruForgeV) or tungsten (Blue Super, V-Toku2, 1.2519) for increased wear resistance. 14C28N is a type of high-performance stainless steel used in knife-making. Most vintage tool blades seem to have been made of 1084/1095 or similar, presumably at some <60 Rc hardness that gave the required toughness, and the rules of thumb for sharpening angles are based on those assumptions. . Typically an increase in corrosion resistance means a reduction in potential hardness for a given steel. Steel high in carbides cant be stamped out; it must be cut by a waterjet or laser, which takes time and is more expensive. The knives can be used in humid and wet environments without rusting. Where the black-finished 1.4116 version has a simple, full flat grind, the D2 version has a compound flat grind that ends halfway up the blade's height. The value being slightly different doesnt mean its an outlier or measurement error. 14C28N VS D2 The two sheets of steel are comparable in terms of toughness and corrosion resistance. Thats why it easy to work and looks nice. Also D2 is not stainless as at least 5% of its chromium is tied up in carbides where it doesnt help prevent corrosion. It has a lower hardness and edge retention as compared to the 9Cr knife. However, even in this case there is the complicating factor of carbide and abrasive hardness. And below shows a chart of carbide hardness, the equation we created to predict edge retention based on edge angle, hardness, and carbide volumes, and then the chart showing the good correlation: TCC (mm) = -157 + 15.8*Hardness (Rc) 17.8*EdgeAngle() + 11.2*CrC(%) + 14.6*CrVC(%) + 26.2*MC(%) + 9.5*M6C(%) + 20.9*MN(%) + 19.4*CrN(%). These steels offer a great balance of characteristics that work well, from big choppers to thin slicers. The edge retention and ease of sharpening have been what we expect with D2. This makes for a great slicing knife and a perfect steel, in my opinion, for a regular-use, everyday-carry folder. Lots of information is still specific to this article, however. With recommended hardness range of 55-62 HRC; the 14C28N is great for knife applications which place very high demands on edge sharpness, edge stability and corrosion resistance such as chefs knives, hunting knife, pocket knives and fishing knives. The most traditional models of pocket knives have different parts, such as the handle and cutting performance. Become a patron and gain access to awesome rewards including early access to articles or a Knife Steel Nerds mug! Each steel was tested with a knife that was produced just for the test, and then sharpened the same way for each test (15 dps 400 grit CBN sharpening). The 8Cr13MoV vs D2 debate. There are still a few things I dont know but we have enough information to make educated guesses where data isnt available. 1095. But yes, I would assume that the general performance would still be relatively similar between them without evidence to the contrary. On the other hand the professional performing blade steels sharpen to a razor edge and hold the edge for an extended use. Display: 24 per page Sort by: Featured View CIVIVI Voltaic Flipper Knife Stainless Steel Handle With Micarta Inlay (3.48" 14C28N Blade) $88.30 Add to cart The benefit of this, of course, is that the steel holds an edge for a very, very long time. Below shows pictures of a 61 Rc knife that was impacted with a 3/16 rod at different energy levels. Im looking forward to seeing if it does as well in full production. High Alloy Tool Steel and High Speed Steel Ratings. 14C28N vs. D2. 14C28N knives will handle challenging and demanding applications without chipping, cracking, or breaking. 14C28N steel holds good hardness. Vancron has a very fine microstructure so it would be tough to beat. It would be really useful to have the raw data that backs the charts that you produce. And given the recipe, it has a low number of carbides, the extra-hard microcrystals in steel that provide the hardness necessary for a stable and sharp edge. This is about comparing steels to each other rather than a limitation of an individual steel. Used in knives since at least World War II, 1095 performance varies considerably with an abundance of tweaks in the recipe and heat treat. and yet millons of knives are being made out of 1.4116 (aisi 420mov?) While some are into that type of thing, if youre familiar with a specific steel and want to compare it with another, you should definitely click on that button below. AEB-L is a non-powder steel produced by Swedish steelmaker Uddeholm. But its lightyears ahead of the alternatives, specifically titanium-bladed knives. The claim is that they align the blades edge, pushing any slightly rolled over bits back into place and thus preserving the cutting ability of the knife for longer. Also known as Z-Finit, Zapp produces this steel in America. We have our views as well, and here they are! whats even more disturbing is that cvn and fracture toughness sometimes (often?) Anybody know how the Sandvik stacks up against all these other steels. The hardenable grade of titanium (Beta C Titanium) reaches up to 45 or so rc. And easy to sharpen in our experience; and that will get an excellent razor edge that lasts for a reasonable price of time. The most significant cost increase comes from powder metallurgy, used to create most of the expensive knife steels. Steels with only vanadium carbides have the best balance of properties because the hardness of carbide matters for edge retention but doesnt for toughness.