Thanks to Konstantinos Noulis, Neil MacEachern, and J Kane Searcy for becoming Knife Steel Nerds Patreon supporters S35VN Steel History. Knife Steel Nerds Patreon read more. I previously wrote about the history and properties of 52100 in this article. Often "ease in heat. Shop t-shirts, phone cases, hoodies, art prints and mugs created by independent artists from around the globe. Knife Steel Nerds Patreon read more. O1 steel was developed in 1905 by Halcomb steel which was acquired by Crucible Steel a few years later 1 2. 9 Rc, and 634mm at 65. S110V is essentially a modified version of S90V or S125V designed for improved corrosion resistance when compared with those steels. CPM MagnaCut is produced by Crucible and hot rolled and distributed by Niagara Specialty Metals. Nitro-V is a stainless steel sold by New Jersey Steel Baron which was first released in 2017 1. Different smiths do it differently. The granule size of the metal powder is very small. Knife Dogs Main Forum. In some cases, higher hardness can actually decrease edge retention. The researchers performed 4 tests of each condition to get a good average. Previous Article Pic of the Day Don&x27;t feed the Flowers (From Subtle Serpent Survival) Next Article Knife Rights Ultimate Steel 2023 Underway. They&x27;ll be similar, but Maxamet may edge Z-Max out in the raw wear resistance category. Fortunately, the fine microstructure takes the lead in the ease of sharpening. This is a. Cementite has a relatively complex structure but in its. The concept of matrix high speed steels seems to have mostly been ignored in the United States. Whether forging or using stock removal it is better to produce knives along the rolling direction instead to make the tips less prone to breaking. Bohler has recently released a new stainless powder metallurgy steel M398, I first learned about it here. It doesn&x27;t even need to be learning, per se; absorbing questionable opinions and idle discussions ca. A honing rod, on the other hand, maintains that sharpnessit offers. Common Use Case Entry level to premium grade blades. This may slightly reduce the corrosion resistance of H2 but it is probably made up for with the increased molybdenum. It is significantly better than 26C3, Blue Super, and 1. Nov 5, 2018 The carbon was reduced to 1. If you have ever wanted to learn more about the inner workings of the knife industry, this book is for you. Thanks to Gary Cornell and Devin Thomas for becoming Knife Steel Nerds supporters on Patreon. Hello Larrin, thank you very much for this great video, very informativeeducative as usual. Thank you new Patreon supporters Thomas Walz, Scott Fletcher, Cory Phillips, Mark Rinella, Brandon Hampton, and kitegem. 3pcs set. K390, Vanadis 8, and CPM-10V are all in the upper echelons for wear resistance and slicing edge retention. 5160 has very good toughness with a heat treatment using an austenitizing temperature of 1500-1525F and tempered at 375-400F. S110V is essentially a modified version of S90V or S125V designed for improved corrosion resistance when compared with those steels. Thanks to Sal Glesser, Brian Huegel, Mark Bellou, Timothy A. Subzero refers to any temperature below 0C. The steel is named after Robert W Loveless, a worlds famous knife maker recognized for his innovative approach to the knife-making industry. And the yet finer structure of CPM-D2 gives it better toughness than either PSF27 or D2. I am somewhat tempted to re-write large chunks of that article here because H1 is one of the most. Follow the heat treat recipe and the steel will harden. The lower chromium means lower corrosion resistance and wear resistance but higher toughness, hardness, and edge stability than 440C. read more. Dull Edges. Come to Patreon if you want updates on testing as it is completed. Dec 2, 2021 So far, we have only tested the toughness of the new steel at high hardness, 65 Rc and above. You may notice that the carbide size is more different between M390 and Vanadis 4 Extra than between 4V and Vanadis 4 Extra. M398 Steel. Reply Roger Breault says October 9, 2023 at 825 pm Have a Bench Made Tagged Out Magna cut. The material is sometimes called "tungsten carbide" or even just "carbide" as shorthand though it. Thanks to Lev Serebryakov for becoming a Knife Steel Nerds Patreon supporter 52100 Steel. In conclusion, harder carbides contribute more strongly to edge retention and more carbide provides more edge retention. Elmax is made using third generation powder metallurgy stainless steel. Thanks to Richard Airey for becoming a Knife Steel Nerds Patreon supporter Forging Steel. You will be sharpening often. I have always thought that Damascus is just an art that has little effect on the performance of the steel. The upper shelf toughness goes down with. Note that to qualify as true stainless steel there must be at least 13 chromium. 10V has about 16-18 vanadium carbide in its heat treated state. Questek Ferrium M60S was a precipitation hardening stainless steel promoted for knives around 2003-2005. They forged over 40 identical blades using the most popular alloys, ground them all to the same angle (30 degrees inclusive, or 15 degrees per side), recorded their Rockwell Hardness Ratings ("Rc," or "C Ratings") after quenching. 5 niobium, and. Tracking down the history of AEB-L was surprisingly difficult. Update 61918 I have added new toughness numbers from a 1962 publication comparing 440C and 154CM. Therefore very high hardness levels are possible for those knifemakers that are interested. There are a variety of reasons given for why the bladesmiths usually use these relatively simple steels. Required fields are marked Comment Name Email Website Notify me of new posts by email. Stone, and Ken McCurdy for becoming Knife Steel Nerds Patreon supporters. Knife Steel Nerds Patreon read more. They took off a bit more in Japan, with Hitachi YRX3, YXR33, and YXR7, the first matrix high speed steels introduced in that country 10. K390 is a powder metallurgy non-stainless steel with high wear resistance due to very high vanadium, 9. I felt like the skies cleared when I discovered your site. Learn everything about knife steel here httpsknifesteelnerds. Here at Pops we have found that one of the best knife steel resources in the world is run by Dr. You are so metal I WILL INDEED buy several copies for friends and family. The upper shelf toughness goes down with. Knife Steel Nerds coffee mugs have been shipped to all current Ultimate Steel Nerd Patreon supporters. They found that the CATRA edge retention was increased from 218 mm to 279. The toughness change with hardness was quite flat despite the 5 Rc difference in hardness. The SM-100 brand of Nitinol, like its forerunner, is extremely tough. 14C28N was designed by Sandvik to have improved corrosion resistance vs their 13C26 which is identical to AEB-L. Heat Treating is the most important factor for high performance knives. Crucible, or Wootz, steel was first produced in India and Central Asia and produced into swords anciently from at least the 3rd century AD. The odd thing about knife steel nerds. 52100 is a relatively simple steel with 1 carbon and 1. How to Thermal Cycle in a Furnace. Members; 1. For example, the high carbon content contributes to the steel&x27;s exceptional edge retention, while the vanadium and molybdenum contribute to its toughness and wear. 1 of 2 Go to page. Sep 30, 2020. Thanks to Mike Strickland, Joe Dickens, Carson Reid Davis, Kenneth, Jordan Danz, Wade Smith, Jeremy Kline, and Ryan Guldbrandsen for becoming Knife Steel Nerds Patreon supporters I have posted initial results of experiments testing my new powder metallurgy knife steel. Sep 6, 2022 Forged Blades, Furnace Heat Treating. This should result in at least 60 Rc along with good toughness. If this holds true across all steel types (perhaps a big if) that. It was developed shortly before Crucibles bankruptcy and is reported to have been tested with the help of knifemakers Howard Clark and Dan Farr and that the code name prior to its. They have a range of V-series steels like V1, V2, V-Toku1, V-Toku2, V-Gin1, and the V Gold series which includes VG10 2. November 25, 2021 Larrin. Normalize at 1750F950C for 10-15 minutes, air cool. Thanks to Dean Baughman, Kitoc420, Steve Callari, Jay Ghoo, and Mitch Cagile for becoming Knife Steel Nerds Patreon supporters. Thanks to Trevor Welch, Theo N, Guns N&x27; Loaded, EV. com, a book Knife Engineering Steel, Heat Treating, and Geometry, and for developing the. Jun 4, 2018 Thanks to Paul Hart and James Covington for becoming Knife Steel Nerds Patreon supporters I recently completed some toughness tests on samples that were heat treated by knifemaker Warren Krywko. Stainless Steel was invented pretty shortly after the explosion of new tool steels and high speed steels in the early 1900&x27;s. Join us for a candid conversation with the amazing Larrin Thomas, the undisputed Knife Steel Nerd We cover everything from his origins in the knife world to. The oxygen content of the European version was similar to the Bohler and Uddeholm stainless steels I previously tested. Cooling rate below 1100F is not critical. However, with a reduced cross section of 0. Hardening is a way of making the knife steel harder. In Cryogenic Processing Part 2 I looked at the studies on cryo and toughness. The vanadium also means that we will see relatively good wear resistance for the steel, given its level of wear resistance. Normalize at 1550-1650&176;F for 10-15 minutes and air cool. 5 cobalt addition. 1,940F Austenitize Ramp to 1,940F and hold at temperature for 15 minutes. I wrote about my first large batch of 48 different steels (some with multiple heat treatments) in this article. That, coupled with the fact I&x27;m a cook and knife user, not a steel analyzer. Instead it is a measure of how fast you have to quench to achieve max. High carbon steels (0. The K190 was austenitized at 1070&176;C1960&176;F and the M390 from 1150&176;C2100&176;F, but otherwise heat treated the same. The steel was donated by Chuck Bybee of Alpha Knife Supply. He is the mind and writer behind Knife Steel Nerds, the go-to source for all knowledge about knife steel. Knife Steel Nerds is run by Larrin Thomas, a steel metallurgist known for his website KnifeSteelNerds. I did searches on bladeforums as it is one of the oldest knife forums. This is the same production and distribution path used by other CPM steels like S45VN, S30V, S35VN, 20CV, S90V, etc. Each steel has an upper shelf toughness at higher temperatures and a lower shelf toughness at low temperatures. I won&x27;t buy another D2 knife. The shape of the grains in the steel are changed through forging. I give K390 the edge because edge stability is a little better. But if your usage is oriented to hardness and wear resistance, I recommend you. Of course I still recommend the other books on the list below. My father, Devin, has run a Damascus steel Continue reading How I Became. Simple steels like 10801084 have the narrowest range for optimal temperature-time combinations in terms of hardness and toughness. The steel has been around since 1905, has been known as 52100 since 1919, and has been used in knives since at least the 1940s. Knife Steel Nerds. Click here to learn all about AEB-L Knife Steel Nerds. Each particle of the powder is like its own tiny ingot. BD1N handles thin geometries fine when it&x27;s hard (but the HRC thread suggests Spyderco is running it softer than it&x27;ll go), but has less wear resistance than SPY27. 2) Anneal by heating to the recommended temperature for 15-30 minutes, cool at 600&176;Fhr (300&176;Chr) to 1100&176;F. I previously wrote an article on what CATRA testing is and what it is revealing from a set of tests on 154CM Maximizing Edge Retention. Cobalt in Steel There is a lot of misinformation out there Continue reading Why. Anneal by heating to 1380F for 30 minutes, cool at 500F per hour to below 1200F and then air cool. Crucible has been a part of the knife steel industry for many decades, such as with steels like 154CM which was developed in the late 1950s and gained popularity in knives through Bob Loveless in the early 1970s. read more. As the most common example, D2 steel with 12 chromium is not stainless because the high carbon content means that many chromium carbides are formed. But those steels are the most likely to be used by beginner bladesmiths heat treating by eye with a forge. The statement from Microtech said that M390MK would have, better edge retention, corrosion resistance, and polishing. In choosing the best pocket knife you should pay particular attention to the type of steel used in the blade. Edge geometry is same, so now obviously the more abrasion resistant steel (more chromium carbides, maybe also molybdenum and vanadium) has longer edge retention. They use conventional D2 tool steel and process the edge so that it has hardness of around 65-69 Rc and a spine at 38-42 Rc. When the steel is cooled slowly from the high temperature austenite phase, the carbon precipitates out so that the low carbon ferrite phase can form, leading to a soft, low hardness steel. 52100 quenched from 1500F. You can read those experiments here. Probably it is most likely that the chromium content is 13. Aug 27, 2018 The edge geometry of a knife is where all cutting takes place. Thanks to Kenneth Pinnow for talking to me about 3V steel development, Gary Maddock for talking to me about PD1, CD1, PD5, Z-Wear, and Z-Tuff, and Mark Zalesky and Clay Aalders for getting me a scan of a 1979 Knife World article about Vasco Wear. S90V has 14 Cr and 1 Mo, while S110V has 2. It is in a similar category to CPM-10V and Vanadis 8. Thanks to Bill Smutz, Alex Topfer, Florian Bachler, Brunhard, Art, Rod H, Sach, Jinny Koh, Jon Duda, Cory Henderson, and UPKnife for becoming Knife Steeel Nerds Patreon supporters And Michael Fitzgerald, Tim Marais, and Head. The K190 was austenitized at 1070C1960F and the M390 from 1150C2100F, but otherwise heat treated the same. 75, and a factor for 0. CATRA Testing. 5 chromium, and small amounts of Mn and Si. We have now reached our second goal of funding a toughness study I will start putting together the plan and discussing it with the patrons. Setup the steel for austenitizing and quenching (hardening) so that is has good heat treating response. I have written about steel corrosion resistance in the past, like the article on adding chromium to D2 to make it a stainless which also talked about the. Steel is not one of those materials. 5 chromium, and small amounts of Mn and Si. D2 with 17. I grew up in the &x27;80s and &x27;90s when being a nerd was not synonymous with being cool. Freezer temperatures (0F), had about half the effect of liquid nitrogen if going into the freezer immediately, but waiting only a few minutes. CATRA Update 162020 I have since written more articles about CATRA looking at the effect of steel type Part 1 and Part 2 Cutlery and Allied Trades Research Association (CATRA). With each I overheated the steel at 2100F1150C for an hour to simulate forging, normalized at 1550-1700F for 10 minutes and air cooled. Larrin Defends MagnaCut while Eating Spicy Wings in Front of Two Ferns. There is so much misinformation, hyperbole, and exaggeration being presented as fact on the internet regarding knife blade steel. Read Part 1 before this article as it covers the ideas behind the Edge Stability theory and how things like hardness of steel, carbide volume, and carbide size are thought to affect knife edges. A masterpiece Read more. CPM-15V with 2910&176;F atomization temperature large carbides 1 CPM-15V 3020&176;F atomization temperature small carbides 2 While the carbides were kept relatively small all the way up to CPM 20V, the high carbide content. In fact, the strongest steel that I am aware of was reported as 6350 MPa 2. These steps are only required for bladesmiths that are forging their blades. Rodriguez and J. Ties are broken by which rates higher in edge retention as first tie breaker when possible. Whether forging or using stock removal it is better to produce knives along the rolling direction instead to make the tips less prone to breaking. Shop now for the best knife supplies like unique handle materials, belts, abrasives, steel, fitting tools, buffing tools, and more. Thanks to Mike Strickland, Joe Dickens, Carson Reid Davis, Kenneth, Jordan Danz, Wade Smith, Jeremy Kline, and Ryan Guldbrandsen for becoming Knife Steel Nerds Patreon supporters I have posted initial results of experiments testing my new powder metallurgy knife steel. The patent reports that there is a limit of about 3250&176;F for production before the refractories see major issues. Oct 10, 2020. Sleipner Edge Retention With a maximum hardness of 64HRC, the steel offers a good hardness and comes with a good edge retention but not the best (didn&x27;t reach the edge retention of a premium steel) Sleipner Corrosion Resistance Medium or quite good corrosion resistance with 7. The regression was used to predict efficiency in cutting (TCC) of a steel given edge geometry, hardness, carbide content, etc. Edge geometry is same, so now obviously the more abrasion resistant steel (more chromium carbides, maybe also molybdenum and vanadium) has longer edge retention. The steel was developed by Maria Sawford as a modification of S30V by reducing the vanadium content, adding 0. Here are our top picks for the best professional and high end kitchen knife sets in 2023. An N690co steel knife offers great edge retention, excellent corrosion resistance, good toughness, and wear resistance, so the answer is, Yes. Now we're a full-time hustle with 8-ish employees, 150 products, a warehouse, and bigger dreams. VG-1 is not similar to 420HC as VG-1 has double the carbon. It has been used by many forging bladesmiths due to its good properties and also wide availability, especially in the form of leaf springs. Vancron toughness is shown with black squares below. The super hard high speed steels (>68 Rc or so) are interesting from the standpoint of knife enthusiasts and knifemakers, particularly since knives are so often produced in the 58-61 Rc range. This was compared to tempering at 400 degrees Reply Larrin says November. The proportion of the vanadium carbide (VC) matters as VC is harder and contributes more to wear resistance. And Nachi-Fujokoshi introduced a small series of matrix high speed steels. Knife Steel Nerds is run by Larrin Thomas, a steel metallurgist known for his website KnifeSteelNerds. Thanks to the new Knife Steel Nerds Patreon supporters Hunter Chen, Claas, Curtis Fowler, Saptak Dutta, Tracker Dan, Paul Pedrazzi, 150LAT10N, James Kane, Vincent Franchino, and Jack Bashear. Tracking down the history of AEB-L was surprisingly difficult. What is Next After MagnaCut Q&A Video. Plus, discussion of how those ratings are generated and the steel factors that control them. Comparisons Between Steels. Edge Retention CATRA Tests of M390 Knives. Ranking knife steels based on my own (limited) experience. I&x27;m very excited for the future with all of the new steel development going on next year. Large pieces of steel may need a longer soak time. Thanks to Ian Rogers for becoming a Knife Steel Nerds Patreon supporter. Reviewed in the United States on September 5, 2023. PD1 CPM Cru-wear. Choose the tempering temperature depending on the desired hardness. Cool to -95F. I wrote about the history of 154CM. In 2015 3 and 2022 4 Juha published articles on the toughness of a range of low alloy steels. 5160 is a low alloy steel known for its excellent toughness. However, information on how to maximize. XHP was originally produced as a conventionally cast. Thanks to Russ Andrews for sending me the article. Thanks to Gary Cornell and Devin Thomas for becoming Knife Steel Nerds supporters on Patreon. 9 Carbon and 18 Chromium. The proportion of the vanadium carbide (VC) matters as VC is harder and contributes more to wear resistance. September 17, 2018 Larrin. Thanks to Aram Compeau, Gordon Olafson, and John Walton for becoming Knife Steel Nerds Patreon supporters I have an update on Patreon about the "rare earth" elements in AR-RPM9 steel. I really appreciate your science-based approach to demystify so many issues. One of the Marine Approved top recommendations for a knife encompassing H1 steel is the Spyderco Ladybug 3. This gives LC200N a very good combination of properties. 0 out of 5 stars. It evolved from the first paramilitary, and is a slightly smaller version of the. This microstructure represents "Point 1" on the following phase diagram 1 If we heat the steel into the austenite carbide region at point two the steel starts to transform to austenite rather than ferrite, first by nucleating austenite at carbides and at grain boundaries. Forging to shape provides a minor change to the orientation of the "grain" but there would still be reduced toughness in the direction where the tip can more easily break. The steel was first used in knives by D. He also successfully eliminated the undesirable grain boundary carbide networks through the forging process. Although the composition of VG-10 isn&x27;t as complex as 9Cr18MoV, it has more carbon and molybdenum in addition to 1. The company DiamondBlade Knives produces knives with friction stir processed (FSP) edges 1. 6 Cr at 1950&176;F has somewhat higher carbide volume and lower carbon in solution, which would likely mean a reduction in hardness by 2-3 Rc A higher chromium stainless version of D2 is essentially Carpenters XHP steel which has 1. Because of the carbon and chromium blend, the steel offers superior hardness. XHP is a powder metallurgy steel produced by Carpenter Technology with the following composition, along with the similar 440C and D2 steels XHP started out as a steel named 440XH which was patented in 1994 1 by Paul Novotny, Thomas McCaffrey, and Raymond Hemphill. 20lb and the round bar was 3. Read Part 1 before this article as it covers the ideas behind the Edge Stability theory and how things like hardness of steel, carbide volume, and carbide size are thought to affect knife edges. For those looking to take the plunge, Knife Steel Nerds is a wealth of information, and highly recommended for anyone with an interest in blade-related metallurgy. Thanks to John Dyess, Michael Foote, Xun Fan, and Mark Vanderwest for becoming Knife Steel Nerds Patreon supporters Thanks to Niagara Specialty Metals for getting me a bar of S45VN for the experiments necessary for this article. Normalize at 1750F950C for 10-15 minutes, air cool. Sep 14, 2020 Many of these same companies also hot roll and anneal the steel and perhaps cold roll it. A general ranking of different quenchants is found below Parks 50 and AAA are quite commonly known oils among knifemakers. They found that the CATRA edge retention was increased from 218 mm to 279. John Verhoeven. Thanks to Roberto J. 3 Rc and 2150F resulted in 65. 12 nitrogen addition to BD1 gives higher potential hardness and a small boost to corrosion resistance. 2562, despite the very high carbon content of the steel and the difficulty in avoiding brittle plate martensite. Your no 1 knife expert. peyton parrish, lebanon valley family medicine
For a fixed blade, it is hard to beat 3V. . Knifesteelnerds
com, a book Knife Engineering Steel, Heat Treating, and Geometry, and for developing the. read more. Many stainless knives are a little soft for my liking, 60rc is my minimum, I was happy to find that the BO was 60. There are wide ranges of composition given in the patent, but the typical composition is listed as. Knife Steel Nerds is run by Larrin Thomas, a steel metallurgist known for his website KnifeSteelNerds. We are also aware of manufacturers and large scale production custom makers that. Thanks to John Scarborough and Robert Angerer for becoming Knife Steel Nerds Patreon supporters. The toughness change with hardness was quite flat despite the 5 Rc difference in hardness. Carbide Volume As covered in Part 1, carbide volume decreases with increasing temperature. The Blackfoot 2. Thanks to Lee Rothleutner and J Hamm for becoming Knife Steel Nerds Patreon supporters General Heat Treating Myths. I do not think N690 is a downgrade, more of a side grade with different balance of attributes. The range of H1 is given as 14-16 with H2 as 13. So the total process would be 1) high temperature (1600-1700F) normalize, air cool, 2) low temperature austenitize (just above nonmagnetic) and air cool 1-3 times for grain refinement, 3) anneal by heating to just above nonmagnetic and place in vermiculite. Wear resistance is the most controversial aspect of cryogenic processing of steel. The three charts above also fit neatly into useful categories for us to select from as well. Larrin Thomas of Knife Steel Nerds, are excellent. Get a Knife Steel Nerds Mug (USA-only) - Become a voting member - direct input on what future research will be performed. I felt like the skies cleared when I discovered your site. There are a variety of reasons given for why the bladesmiths usually use these relatively simple steels. Apr 10, 2018 When the steel is cooled slowly from the high temperature austenite phase, the carbon precipitates out so that the low carbon ferrite phase can form, leading to a soft, low hardness steel. Required fields. The edge retention is likely a small step down from S35VN. Here is a schematic diagram of the major elements of an edge 1 First is d, the thickness behind the edge; the thinner the material is behind the edge the smaller the wedge is. I would like to ask you two questions 1) At exactly 1005 you mention that toughness is lowerreduced when steel is broken "across" the elongated manganese sulfides and carbide stringers, but isn&x27;t when the steel is broken "along" those elongated features that toughness is lower (transverse. Normalize at 1550-1600&176;F for 10-15 minutes followed by air cooling. 1095 quenched from 1475F. The video on making a knife out of cardboard has over 20 million views which means that these videos. by Dr. This is a slight departure from Larrin Thomas highly technical debut book, Knife Engineering Steel, Heat Treating, and Geometry (which has become something of a bible for knife makers since it. 0 Rc. It is a very tough steel and holds an edge. Get a Knife Steel Nerds Mug (USA-only) - Become a voting member - direct input on what future research will be performed. S90V has 14 Cr and 1 Mo, while S110V has 2. Knife Steel Nerds T-Shirt. Thanks to the new Knife Steel Nerds Patreon supporters Steve, Bruce Blake, Michael Glaser, James F Khoury, Paul Horner, and Shane Sibert. Reactions Nagakin, adam92, josemartinlopez and 1 other person. Nitrogen, while it can form chromium nitrides, has much less tendency to do so compared with carbon, so a 0. I am in between purchasing the Lars Falt knife in a Sleipner steel for. The steel was available as 14 flat stock either 1, 1-14, or 2 wide, or as 1-18 round bar. Evaluating which knife steel is better than another is not easy with all the different manufacturers and using different evaluation. The proportion of the vanadium carbide (VC) matters as VC is harder and contributes more to wear resistance. K190 is not a stainless steel. com Get the book here httpsamzn. The quenching process, martensite formation, and supersaturated carbon leads to brittle steel. CPM-Magnacut Developed by metallurgist Larrin Thomas of Knife Steel Nerds, Magnacut is designed to deliver balanced high-performance with high hardness (up to 65 Rc), similar toughness to CPM-4V, and corrosion resistance better than M390, similar to LC200N. Some sources, like Dr. Thanks to Todd Kroenlein and David for becoming Knife Steel Nerds Patreon supporters Cementite. The resulting macrohardness was 750 HV for the Nb Steel. In the mid-1980s, Steve Schwarzer was presenting on Damascus steel at a Jim Batson hammer-in. He spent the past 20 years as a woodworker and fishing guide in Ohio, Pennsylvania. S110V is essentially a modified version of S90V or S125V designed for improved corrosion resistance when compared with those steels. The edges tested with more acute angles (20 edge is more acute than 50) started out cutting better and remained that way through the standard 60 cuts. The two steels have relatively similar "as-quenched" hardness or with a low temper of 300F, though S125V seems to have somewhat better tempering resistance (hardness is higher with a 400F temper). When comparing K390 to Vanadis 8 and CPM-10V it is important to note the dotted. Get more from Knife Steel Nerds on Patreon. Each particle of the powder is like its own tiny ingot. Water is a very aggressive quench medium, and can lead to cracking of the knife during quenching. comments sorted by Best Top New Controversial Q&A Add a Comment koolaidisthestuff Additional comment actions. Update Michael Drinkwine sent me another report from Global where they reported factory sharpened and waterstone sharpened knives. The quenching process, martensite formation, and supersaturated carbon leads to brittle steel. Probably it is most likely that the chromium content is 13. This is the biggest project I have ever worked on,. Thanks to Michael Drinkwine for becoming a Knife Steel Nerds Patreon supporter Hardness and Megapixels. 3 yr. Last edited Nov 26, 2018. The steel is named after Robert W Loveless, a worlds famous knife maker recognized for his innovative approach to the knife-making industry. Thanks to Lev Serebryakov for becoming a Knife Steel Nerds Patreon supporter. Source(knifesteelNerds) Sharpening MagnaCut. It&x27;s considered by some as a better option to the AUS6 and AUS8 steel grades which are more commonly used to make steel knives. 7) I am not considering defunct or extremely rare steels like BG42, 440XH (non-PM XHP. Forged Blades, Furnace Heat Treating. History of S45VN. I&x27;m very excited for the future with all of the new steel development going on next year. This one started out along the lines of "even the best steel will perform poorly if given a bad heat treatment," and that I can&x27;t disagree with too. 8 vanadium carbide by Uddeholm, and 17. What is Next After MagnaCut Q&A Video. Thanks to Knife Thoughts, Nicholas Rossi, Jason D. S110V is a powder metallurgy stainless tool steel with very high wear resistance. A recommended heat treatment would be 1850-1900F for 30 minutes, plate quench, cryo, and temper 300-500F. A 420HC steel at 56 Rc with 3 chromium carbide (CrC) at the same angle of 30 is predicted to only get 227 mm. Since both of those steels have 4 vanadium, the chromium carbide hardness is increased. I also added a summary of a very interesting new journal article about the effect Continue reading Review Kevin Cashens Guide to 1080 & 1084. Large carbides and a large amount of them leads to poor toughness. The flat stock was 4. Jun 7, 2018. Uneven martensite formation causes internal stresses that can lead to cracking. The critical temperature of these high alloy steels is typically higher than in low alloy steels. Quench Plate, oil or air quench as quickly as possible. The steel with the highest slicing edge retention has the maximum amount of vanadium carbide and it is heat treated to a high hardness. Thanks to Russ Andrews for sending me the article. Knife Steel Nerds coffee mugs have been shipped to all current Ultimate Steel Nerd Patreon supporters. October 12, 2020 Larrin. Thanks to Aaron T Grote, J. They&x27;re mostly used with axes and machetes. In the mid-1980&x27;s, Steve Schwarzer was presenting on Damascus steel at a Jim Batson hammer-in. Thanks to Warren Krywko, Joseph Cannell, and Timothy Thomas for becoming Knife Steel Nerds Patreon supporters Your contributions will help fund more research on knife steels. Kelley for becoming Knife Steel Nerds Patreon supporters We only need a few more for 150 supporters Super Hard High Speed Steels. Knife Steels Rated by a Metallurgist Toughness, Edge Retention, and Corrosion Resistance. Hardness, Metallurgy Principles, Steel and Knife Properties Rockwell Hardness is the Megapixels of Knife Steel Specs. So far, we have only tested the toughness of the new steel at high hardness, 65 Rc and above. Early Use of Powder Metals. There are a variety of reasons given for why the bladesmiths usually use these relatively simple steels. Many of these same companies also hot roll and anneal the steel and perhaps cold roll it. Simple steels like 10801084 have the narrowest range for optimal temperature-time combinations in terms of hardness and toughness. Although the composition of VG-10 isn&x27;t as complex as 9Cr18MoV, it has more carbon and molybdenum in addition to 1. The Niolox microstructure looks relatively similar to 19C27, which is an "in-between" stainless that has lower carbide volume than steels like 154CM or 440C but significantly more than AEB-L, for a combination of moderate toughness and wear resistance. Another steel that acts somewhat similarly is 52100 due to its relatively low carbon in solution. LC200N has a max hardness of about 60 Rc, which is probably its biggest limitation. They have a range of V-series steels like V1, V2, V-Toku1, V-Toku2, V-Gin1, and the V Gold series which includes VG10 2. It makes a great knife steel, and I&x27;d be happy to find 9Cr18MoV blade on any 4 folding knife, kitchen knife, or daily-carry pocket knife. However, the type and amount of carbide also controls slicing edge retention. It is commonly reported that a new knife needs to be sharpened a few times before its performance can be evaluated, reportedly because the grinders that put the final edge on the knife will overheat the edge. com Analytics and market share drilldown here. and I am surprised I hit the knife steel nerd mark, since I am a networking engineer, and most of my experience is not steel related, so I guess lately I have been spending more time in the knife community channels, and frankly metallurgy I find the most fascinating topic of all the pieces involved. So the article predicts that CPM Rex 121 would be the best cutter (naturlich) Among the steels used in regular production, it is predictably s90v and similar steels. However, if the steel is cooled rapidly. 0 out of 5 stars Good comprehensible information. Thanks to Ian Rogers for becoming a Knife Steel Nerds Patreon supporter. 3 Rc and 2150F resulted in 65. Thanks to Matthew Berry for becoming a Knife Steel Nerds Patreon supporter. BD1N handles thin geometries fine when it&x27;s hard (but the HRC thread suggests Spyderco is running it softer than it&x27;ll go), but has less wear resistance than SPY27. History of Vanadis 8. . wb crumel funeral home