JavaScript is disabled. A prime example of Toblers point is Benchmades 15017-1 Hidden Canyon Hunter, a compact drop-point fixed blade in premium CPM S90V stainless steel well known for its extreme edge-holding ability. As far as reprofiling, I don't find s90v really much harder to work with than s30v and the like. Im practicing on cheap knives before I try out the WE on my expensive knives. 204 Sharpmaker will fix you up. Specs: Blade Steel: CPM-s90v HRC: 61-62 +/-.5 (Cyro) Sharpening Angle: 20DPS OAL: 6.1 in Thickness: .14 in Handle Material: Blue Linen Micarta with Micromilling Sheath: Storm Grey Basket Weave Holstex. The white and brown rods will maintain an edge very well but if you ever need to reprofile you will be happy to have the diamond rods. CPM S90V; CTS-204P; D2; Damasteel; Elmax; LC200N; M390; M4; MAXAMET; N690; Nitro V; VG 10; X50CrMov15; ZDP 189; Damascus Knives . It made me look twice at my grit wheel to see why it didn't seem to take off enough metal. Is it the Vanadium content? These will ruin a blade in time, and I dont recommend them. The sharpmaker will handle s90v just fine. I started with a 1,000 grit stone and kept at it until the edge was sharp and the point had been fixed. In this video I'll sharpen the Benchmade 940 in S90V and Carbon Fiber. A sharpening angle of 10 to 17 degrees is still quite low for most knives. The Diamond rods are a great investment IMO. I would definitely add the diamond or CBN rods for sharpening not only the S90v, but all the different steels. These all are describing the hardness of . About five strokes at a 20-degree angle down each side of the blade should remove these imperfections. The stones used in this video are a coarse diamond plat. 12C27 First, I had to mount the knife in the low-angle extender, meaning at rest the stones only go halfway up the blade and not beyond the edge. This is a sharpening session, documented for observation purposes. I also have no sharpening systemwhat do you guys and gals recommend? Micarta At this point, the knife was so sharp I could drop a piece of paper on the edge, and the paper was cut cleanly in two pieces. Steve I like using the lightest grit you can get by with, like airscapes wrote. I've found these stones to be a must-have item for the Spyderco Tri-Angle Sharpmaker they've helped me tackle some really dull edges. It also humbles S90V with its excellent toughness. I've liked it coming straight off either a Coarse (325) or Fine (600) DMT. Spyderco Sharpmaker is simple to use and fairly inexpensive. He says the two keys are knife type/use and edge retention/maintenance. Edge Pro & Paper wheels would be your best chance. The best angle to sharpen a knife depends on how you intend to use the knife, the thickness of the blade, the steel used to make the blade, the sharpening tools used, and your preference. Sharpening the Faith Angle. It is a process of trial and error, Crawford notes. One of the best things about the Magna-Guide is you can use the Double Sided Diafold files as stand-alone sharpeners without the guide rod and angle guide clamp. Less metal removed the better. Sharpening angles of less than 10 degrees result in delicate edges that are easily damaged. You will not need to sharpen it. Love the wicked edge system. I do like the ease of sharpening 12C27, 420HC etc. It works well for most kitchen and outdoor knives because it offers durability and sharpness. This range is ideal for outdoor or kitchen knives used for tough applications. Steve, you can use your kangaroo strop, free hand, to maintain the edge between sharpening. On-Sale $109.05 List Price $199.95 As low as $103.60. Specialties: Complete mobile service to Phoenix, Scottsdale, Mesa, Chandler, Gilbert, Peoria, and Glendale! Cautions Broce, The first time you use [a guide kit] on your knife will usually take the longest, as your edge angle adjusts to the way you use the sharpener.. Diamond Machining Technology (DMT) offers the Double Sided Diafold Magna-Guide Sharpening System centered around the companys Double Sided Diafold folding diamond files. All knives lose their edge over time, even if you use a sharpening steel on a regular basis. To be honest, I never saw a knife so sharp. HLSG SKU: SKU: 200-PGA. Now, whenever I sharpen a knife with the low-angle extender, I use masking tape to tape up the blade all the way to the shoulder so that only the edge and the bevel are exposed. Soft steel, on the other hand, should be sharped at steeper angles which helps them withstand the stress without deforming. Such edges are suitable for blades used to cut soft material because there is less risk of abuse that might lead to breakage and other forms of damage. All About CPM S45VN Knife Steel By Larry Connelley | January 30, 2022 SUMMARY: CPM 345VN steel is a high alloy stainless steel with outstanding edge retention, increased corrosion resistance, and modest toughness. Such low angles of 7 to 8 degrees are easily achieved using fine sharpening tools with at least 1000 grit, like water stones. On the other hand, wider angles create durable blade edges suitable for demanding cutting jobs like slicing bones or cutting coarse vegetables. Everyone else already has it covered but I'll throw in my agreement. Now the edge was very sharp, After that I progressed to 2,200 grit and kept at it for nearly an hour. Ever try sharpening freehand on a bench stone with little experience doing so? The aluminum clamp is sturdy and offers four edge angles: 17, 20, 25, and 30 degrees. They are simple to use, very versatile (watch the video) and portable. I don't plan on sharpening my S90V Para2 until I get my Work Sharp Knife & Tool Sharpener(which is effectively a mini-belt sander). You may get by with just stropping the edge, and not going with stones. JavaScript is disabled. Where the knife is best positioned for the most effective contact is the sweet spot. 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 (%) The regression does a good job at predicting the TCC based on the carbides, hardness, and edge angle. A big part of sharpening, aside from proper sharpener selection, is how to select and maintain the proper angle of the blade to the sharpener. It was no problem at all. The regression achieves a very good R2 of 0.79. The new blade was stonewashed and not a satin finish the way it was originally. Ceramics will work but I do not suggest them because of the excessive burring they cause with this steel. Knives with thin blades get a sharp edge faster when sharpened at lower angles. I'll also include a little insight as to the steel choice, CPM S90V.. Your choice between the two determines the angle you will use. Knives sharpened at this angle should only be used for slicing meat or cutting very soft foods but never for chopping needs. 20CV Featuring coarse-, medium-, and fine-grit diamond-coated abrasives, the kit includes Ultimate Finishing and triangular-shaped serration hones, too. "When it comes to sharpening you need something hard enough to remove Vanadium carbides and Niobium carbides, which are around 82 HRC, without getting the material over the tempering temperature," said Skibitski. Free shipping for many products! It includes an extra coarse hone great for reprofiling edge angles. I can then use a fixed 20-degree ceramic V sharpener (eg, spyderco sharpmaker) for touch-up microbevels when the edge is no longer . Therefore, use angles between 15 and 17 if only you are looking for sharpness. The idea with this one is to apply frequent edge touchups. That can do wonders to maintain an edge between sharpenings, also. Carl Cannon, Editor of the news . Good luck. Edge Retention Toughness Corrosion Resistance Ease of Sharpening Premium Steels Maxamet CPM-M4 CPM-S90V CPM CruWear CPM-S110V ZDP 189 CPM-20CV CTS-204P M390 Elmax CPM MagnaCut High-end Steels CPM-10V K390 CPM-S30V Happy to be part of this great forum and group of down to earth spyderco addicts, Thanks Sal and gang. What is it about S90V that makes it hold the edge so good? Difficult may be the wrong word though, these steels are actually very nice to sharpen it just takes what seems like forever. Use the finest stone that will provide the results you are looking for with minimal work. cpm-20cv vs 154cm S35VN Somtimes youll need to rotate the knife tip up or tip down and move it forward or backwards to achieve this best position. Lanskys four-stone Deluxe Diamond System Precision Knife Sharpening Kit is the best the company offers in angle guide clamp units. What determines the best sharpening angle? Hi Steve! The only real issues are time and edge damage. Knife blades made from hard steel should be sharpened at smaller angles because they yield a lot of strength. A couple years later I got the Generation Pro 3 sharpener. Smaller sharpening angles produces very sharp blades ideal for precise cutting and chopping. When I have used the 80's I spend a lot of . It is ground thinner because S90V is a high-yield-strength steel that can retain its strength with a thinner edge without deforming or chipping. FPT | 200-PGA. CPM 4V JavaScript is disabled. We come to you and breathe new life into your knives, blades and edged equipment. DOWNSIZED 2X72 I need a little help if youre up to it. The 25 dps sharpened knife saw almost no edge damage with 2 ft-lbs while a 15 dps edge saw a significant chip with only 0.3 ft-lbs and catastrophic chipping with 1.4 ft-lbs. The secret to sharpening any knife is knowing which grit to start with. On the other hand, thick blades should be sharpened at wider angles because they have a lot of material on the edge, and it will take you more time and energy to get a sharp edge. In this regard, youre using it to determine how much more you have to go as opposed to if youre holding the angle correctly. Keep in mind that the first time any knife is put in a WEPS you need to document it with the AAG and establish the WEPS apex profile. The temperature range that he refers to is around 350 to 400 degrees Fahrenheit. For knives without the SelectEdge technology, Benchmade offers the Edge Maintenance Tool, also designed with and manufactured by Work Sharp. Free shipping for many products! . blue steel My higher end steel blades (S90V and ZDP-189) I keep at 17, and my stainless blades are at 20. This angle is very low for knives. You have entered an incorrect email address! So, what is the best angle to sharpen a knife? I used my diamond rods to even up the angles a bit (they weren't crazy different, but one was between 15-20 degrees and the other is right at 15). You can use any quality sharpener as long as it fits the steel type. From there adjust your edge angle to a lower degree and take a few more passes to see how the ink is being removed. Contacts. Doesn't need much, if any stropping after, if the finishing touches from the hones are good (light touch, always). +1 on investing in a set of Spyderco Tri-Angle Diamond Stones (204D). S35VN and S90V. I never did get the blade as sharp as I wanted because normal grit progressions dont apply to S90V. Some say that the steel needs to have a very highly polished edge. Finally is sharpener selection. Decreased angle to 17dps balsa strops 1, .5 diamond paste each 50 strokes per side 8. Here's a look at the new Benchmade 940-1 after a visit to TheApostleP sharpening bench. All you need to be concerned with is making the motions to get the edge sharp. I used the Venev Resin Bonded. It's one approach to sharpening. Rounded points are easy to fix, but thats another topic. Newish guy here. For a better experience, please enable JavaScript in your browser before proceeding. Rex 45 steve you may want a sheet of the 6 micron .. it works just fine after the 1500 grit and before the strop. So Im learning. The 9 should be fin.. not a big spread between 6 and 9 . How Do You Know if youve Got The Right Angle? Most Japanese and new cutlery are sharpened at 15-17 degrees. Is there any particular diamond abrasive that you recommend? You are using an out of date browser. Chef knife (Authors note: Motorized sharpening is best left to those with sharpening experience.) So was wondering if I should just hit it with 1000 or 1500 grit diamond stones every once in a while to keep it sharp. The Edge Maintenance Tool works well with pocketknives, fixed blades, and tactical folderspretty much any knife. Continue with Recommended Cookies. Definitely get the diamond or CBN rods before the UF rods. This is especially true if youre learning a new sharpening technique, such as re-establishing edge angles. I do it all the time. Japanese knife manufacturers recommend 17 degrees for their knives, while western knife manufacturers use 20 degrees. Carbon content is crazy high at 2.3% - compared to a "premium" steel like S35VN at 1.38 or even Bohler M390 at 1.9. The Magna-Guide System features the Aligner Blade Guide clamp with integrated, adjustable angle guides. They should only be sharpened using very fine abrasives like water stones. Increased angle to 18dps repeated step #6 . S45VN I used the Venev Resin Bonded Diamond Stone (240/400 FEPA Grit). ~ Charlie Chaplin. The 420 stainless Kershaw does well at 17 for meat, but won't hold it long in the field for hide and . 14C28N It also has coarse-, medium-, and fine-grit diamond-coated hones for fine-tuning the edge once its been established. I normally don't use 80's. I find them too aggressive and 100's will get a re-profile done. For a better experience, please enable JavaScript in your browser before proceeding. However, CPM 20CV blade steel offers better toughness, corrosion resistance, and it is easier to sharpen. S90V from Benchmade sharpens up much easier than S110V and almost as easy as S30V. Thin blades are much easier to sharpen to low edge angles than thick knives, Crawford states. MSRP: $114.99. These angles should not be used to sharpen blades made from very hard steel because the blades are very brittle and highly susceptible to damage. Noctis3880 Joined Jul 22, 2009 Messages 11,409 Sep 25, 2010 #8 lol. Dave, I'll agree w/ you on this steel. I also can't seem to get an edge anywhere near as sharp as some of you guys seem to get off the brown rods. The sharpmaker can easily sharpen S90V if the sharpener has the ability. Tobler is another proponent of the marker method. problem with these microscopes is you need a windows laptop or desktop to use them. The thicker the blade, the more material you will have to remove to create a low edge angle.. . I had to adjust the angle a few times to get it to remove all the marker. Polish: light metal removal using polishing wheels only. Hunter ICV In-Line / Angle Valve with Flow Control 3 in. My experience has taught me that there's nothing like digging in and getting started. GATCO offers the Ultimate Diamond Hone Sharpening System, which is similar to the Lansky. For tough chores such as chopping or batonning, a wider angle is best. Practice on some cheap kitchen knives to get a feel for it, and use the sharpie trick to see where you are . Heat treat has as much to do as angle. The edge came out very nicely. S90V steel is another super steel produced by crucible industries. I usually do this on the coarse plate first, then repeat it on the fine plate. I'm really interested in the upcoming CF/Ti Millie from KW, but I'm a little apprehensive about my ability to sharpen S90V given my limited experience, and that mostly with softer steels. Angle guides are tried and true and solve one of the biggest sharpening challengesestablish the angle and be consistent, Crawford says. Yes it's ridiculously expensive, and yes it requires the patience of a saint to sharpen but outside its less common cousin CPM-S110V (see above) nothing holds an edge or withstands abrasion quite like CPM S90V. My experience has taught me that there's nothing like digging in and getting started. The major place where wear resistance starts to rear its ugly head is if your sharpening angle is *not* precisely the same as the bevel angle or if you're trying to reprofile to a different bevel angle, in which case I think it is very safe to say that S90V will be a lot more effort than Cruwear. Re-Grind and Polish: Each razor must be individually evaluated. I find the high carbide steels do hold an edge much longer, but take longer to sharpen and require diamond hones. The edge was wicked sharp, but I wanted to take it two steps further. Ask a New York- or D.C.-based journalist what they know about evangelical Christians and you may well get an answer like, "They're the ones who voted for Donald Trump.". To sharpen the CPM S90V blades with the SelectEdge 14 degree angle of its Hidden Canyon Hunter and Saddle Mountain Skinner, Benchmade offers the model 50082 14 Degree SelectEdge Guided Hone Tool. On the other hand, wider sharpening angles offer durable edges that can withstand abuse from demanding applications. The answer is one that plagues knife neophytes and old hands alike. The UF are overkill. I'll usually finish off s90v right off the 600 grit stone followed up with some stropping.