The D2, on the other hand, has a thicker and more durable blade that is better suited for tough tasks like chopping wood or prying open cans. A2 knives need care taken to avoid rust and are often coated to inhibit corrosion. Any thoughts how Sleipner might fare in the ratings? Tanto In its most basic form, steel is just iron and carbon, but people have been studying, experimenting with, and perfecting steel with other elements for specific applications for millennia. In particular, I have found the ESEE/Rowen 1095 to be less likely to chip and better at holding an edge than the KA-BAR version even in knives with the same role, thickness, and blade length. quite possibly the best steel youll find on a sub-$30 production knife. This is the basis on which I do the ratings rather than a linear scale. The most traditional models of pocket knives have different parts, such as the handle and cutting performance. 14C28N is thus ideal for use in corrosive environments and challenging applications. These steels have sufficient toughness to handle thinner edge geometry. Thanks. They make excellent everyday carry steels, especially for light- and medium-duty tasks. I have the average composition of the steels rated above (plus some extras) so you can see what the different names refer to. Nitro V is also significantly cheaper than many other steels with this level of performance. The hardenable grade of titanium (Beta C Titanium) reaches up to 45 or so rc. Damascus or pattern welded steel is a result of combining two steels together. It has an HRc over 70, usually even harder than Maxamet. Many steel ratings articles pay lip service to the importance of heat treatment without providing examples. The edge retention numbers are normalized to the hardness of the closest toughness test. Top quality steel yields perfect toughness, edge retention, wear and corrosion resistance, an easy to sharpen, long lasting and durable everyday carry that will fast become a user favorite. However, there are other factors. As with high alloy tool steels, the amount of vanadium can be a shortcut to predicting the general level of wear resistance and edge retention. Its hard to say. You can see micrographs of different knife steels to compare their carbides in this article. The knife does dull faster. But a few overly vocal forgers were making claims about it that clearly were not true especially when comparing it to 5160. If youre looking for all all-around best knife steel, youd be hard-pressed to find one better than Bohler Uddeholm M390. I guess the question is whether toughness increases faster than edge retention decreases. Spyderco and Cold Steel have used it, though Cold Steel recently switched to S35VN due to availability concerns. The hardness of the carbides does not matter much unlike with edge retention. In fact Id be delighted to have your experience checking my thinking! So, it is quite harder than most other steel variants and retains its edge sharp for a long period. Both knives come at an affordable price for high-end knives. To reiterate the clearer part, I wonder if toughness increases faster than edge retention decreases as an edge gets thicker. It doesnt hold an edge well, but its so easy to sharpen that you can get it back to razor sharpness in a few minutes. Quite an eyeopener! Why do knives make the best gifts? 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. I wrote an article about knife steel ratings available online in 2018, where I concluded that none of them were very good. In many cases the cost of working with the steel for the knife companies is more significant than the cost of the steel itself. 14C28N is essentially AEB-L (or perhaps more accurately Sandvik 13C26), but with improved corrosion resistance. Heres a brief description of their impact on the resulting steels properties. More expensive powder metallurgy steels in this category include M390, CPM-S35VN, Elmax, CTS-XHP, CPM-S30V, and CPM-154. But unlike most high-end steels, SPY27 is an easily user-serviceable powder steel. And steels with at least 10% chromium are probably stainless, except for several important exceptions like D2 and ZDP-189. Like 154CM, there is a newer version, S35VN, which shares many of the same attributes as S30V but is easier to craft into a knife thanks to niobium. INFI is also quite hard and sharpens easily. Liquid steel is sprayed through a tiny nozzle, solidifying into a powder. nevertheles its importand to keep in mind what exactly is going on there (abrasive plastic media, loss of most of cutting ability during the first few strokes etc.). 14c28n has less carbon and chromium as compared to 9Cr steel. in the correct place for the stainless-toughness-edge-retention graphic? 440A has more chromium in solution along with a small addition of Mo, but has significant amounts of carbide so the two are an interesting comparison. Thanks in advance, Simon, For hard use everyday cutting in a packing company, Everything from fome, cardboard, tape, thick plastics, And plastic wrap that is against metal. Theres a green triangle at about RC 60.5 and toughness over 40. 14C28N, designed by Sandvik at Kershaw's behest to have the edge properties of 13C26 but with increased corrosion resistance by adding nitrogen and chromium. Its found on a large number of traditional-style folders. It mainly made for knife and it high in Chromium for excellent corrosion resistance. have extremely high edge retention. great work, larrin. But in use, Ive found nothing that withstands the abuse that 3V can take. They differ little in composition and treatment. There seem to be a lot of modern steels that get related to D2, but OTOH just saying a steel is similar to D2 seems to kill interest in it. I have a couple questions, not directly related to this specific post, that I wanted to ask publically so that others could find your responses as well, so here seemed as good a place as any. 14% of Chromium: Increases corrosion resistance and wear resistance. The studies confirmed that the primary controlling factors are hardness of the steel, volume of carbides, and hardness of the carbides. D2 is a high carbon, high chromium die steel and is the highest carbon alloy tool and die steel typically used in knife making. Both steels are popular among knife manufacturers and both have their strengths and weaknesses. Or even if they try to be more open to importance of toughness, the good reputation of the high edge retention steels means that they get inflated toughness ratings along with it. 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. In the context of a knife this would be chipped edges or broken knives. It will take you more time and energy to get a sharp edge, but your efforts will pay off because the blades hold the edge longer. Alloying elements are an important ingredient vital in getting the best steel for the job. AEB-L is a non-powder steel produced by Swedish steelmaker Uddeholm. A more obtuse edge angle is much more resistant to chipping than an acute edge. It does have chromium but is not as sufficient as required to be a type of stainless steel. Another common heat treating choice that is not even categorized as a mistake is tempering in the high temperature regime (~1000F) rather than the low temperature regime (~400F). A Japanese powder steel, ZDP-189 is essentially the polar opposite of 3V its uber-hard instead of uber-tough. These steels are perfect for thin edges and high hardness. False treatment and geometry upheld by Made in USA is like buying 8Cr from China (except late A.G) My personal experience tops with Vanadis 4E, CPM-M4, RWL-34 and the likes. I also have a video that summarizes some of the information below while also showing how some of the experiments work. 14C28N steel also has excellent wear resistance due to its high chromium content. The both blade are equally wear resistant. Ive seen more talk and some articles regarding the use of AI to come up with new potential drug molecules, polymeric materials, etc. VG-1 is a non-powder steel made by Japanese specialty steelmaker Takefu. 2. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Monday-Friday https://knifesteelnerds.com/2018/12/10/cryogenic-processing-of-steel-part-2/ I reserve the right to change my ratings based on new information. In particular, I really care about the toughness / hardness part. S45VN The choice between the two depends on your knife needs. Therefore, ensure to wash and dry your knives after use to keep the rust away. Deburring of edges often takes even longer than removing material to produce the edge. Carbon steels are those that have primarily carbon added to them with some Mn or Si as well. Thats a little too far, but you get the point.). This is to keep the focus on the elements that are making the biggest difference. 1095 But which? Yes its very easy to sharpen but it doesnt hold an edge at all. While higher hardness does lead to improved edge retention the bigger reason to have higher hardness is for resisting edge deformation. 14c28n is the most popular material for the knife: stainless steel and made by the Swedish company. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. while its a very intuitive method and a simple way to e.g. Become a patron and gain access to awesome rewards including early access to articles or a Knife Steel Nerds mug! Therefore, if your priority is a knife with the best toughness on the market, you can never go wrong with the varieties of 14C28N. Is there a reason SG2/R2 are not included in the lineup, despite being one of the most popular ones? It is a Sandvik stainless steel that originally developed for razor blades. its like with cars, most of them are not a corvette or a porsche. And while it can be hard depending on the heat treat, I have found it easily chips, causing microscopic dings in the edge when hardened to a high level on a thin blade. And while youll find it mostly in expensive knives, quite a few approachable M390 blades exist. Pretty interesting that regrinding a knife you already have can seemingly take its performance to that of significantly better steels. This is a very important factor when selecting a steel for your knife blade, especially if you plan on spending a lot of time outdoors in an area with high humidity.. S30v is a higher ranked steel and considered a true Stainless Steel, with a 14% . The knives can be used in humid and wet environments without rusting. Due to its higher Chromium content, S30v is a lot less likely to corrode/rust than the D2 Steel. 14C28N steel is known to offer among the best if not the best toughness in knife steels out there. But its lightyears ahead of the alternatives, specifically titanium-bladed knives. CROMOVA Contact me if you have any questions or input! You showed some pictures in this article of the effect on what we might call "effective toughness" of thinner edge angles vs thicker edges in the same steel at the same hardness. Can you contact me via my email address so I can send you a copy in PDF and epub. Everyone has their own opinion on what they deem the best folding EDC knife. [Complete Steel Guide], What is Vg-10 steel?- [Steel Knife Review], The Difference Between 440c steel vs d2: Compared guide, Is 8cr13mov Good Knife Steel [Complete Steel Guide], Amazon Best Sellers in Pocket Knives & Folding Knives. Working closely with our factory the heat treating of this steel has been perfected resulting in excellent performance for the price. The only thing putting me off immediately buying the p135 is the 14c28n steel. third and most important is what happened to the burr. There are still a few things I dont know but we have enough information to make educated guesses where data isnt available. An example of data being processed may be a unique identifier stored in a cookie. And Ive done a lot of experimental work on knife steels where I feel more confident in my own ratings. AR-RPM9 14C28N steel holds good hardness. But it doesnt have great wear resistance and thus doesnt hold an edge particularly well. Only a few years ago Elmax was pricey, but competition has driven it down to reasonable levels, making it a decent value. I have two quick questions, D2 holds it for longer. CN Vs VG-10 The Japanese steel, VG10 offers slightly higher edge retention but has the same level of hardness as 14C28N. Some steels are cooked up specifically with this in mind and are very difficult to make rust. The biggest change that is seen with powder metallurgy in measured properties is in regards to toughness. Find your right answers here! But among the steels youll find at Cabelas and the like, this is a pretty good choice. Many knife enthusiasts are concerned with categorizing steels as excellent, good, poor, etc. Hi Jimmie, thanks for your comments. Though the volume of carbonitrides in the steel is relatively high. Let the job at hand be your guide. D2 is not a bad steel, but it has been around a long time and is somewhat mundane by current standards. REX 121 is a powder steel produced by Crucible. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. . There has been some internet controversy over the grinding and heat treat of this steel. I have a Winkler Knives Recon model in 5160 steel and even though the knife model is ok, the steel is shit. Here, youll learn the different factors that go into each steel, ratings for a wide variety of steel alloys, and youll get some recommendations for types of knives different types of steel work well for. Its a good balance between all three attributes, being relatively hard, tough, and corrosion-resistant. In addition, According to Sandvik, 14C28N steel is easy to work on, reducing production costs and hence affordable knives. Are you familiar with anything similar on the metallurgy/knife steel side of things? I was wondering if the 14c28n sample was also prequenched like the AEB-L toughness samples? Finally, in this 14c28n vs d2, we hope you get the right one. It had better than expected corrosion resistance due to the lack of chromium carbides, a behavior also seen in MagnaCut.
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