Blade thickness .156in. When m390/20cv/204p seems to be a superior steel to it overall. Premium. Chromium carbides tend to be larger than vanadium carbides, so the amount of chromium carbide should be kept as low as possible to maximize toughness. New to Benchmade, the CPM-S45VN premium stainless steel provides the perfect balance of a fine grain, sharp edge with carefully engineered blade flex. Alternatively S35VN could be used for slightly better toughness but if toughness is a limiting factor there are steels with significantly higher values. Is s35vn tougher vs m390? Substituting niobium carbides for some of the vanadium … CPM S45VN. Spyderco Barong - $879.99. Sort By: Quick view Compare Add to Cart. The reduction in chromium carbide (M7C3) from nitrogen and niobium helps to offset the increase in Cr relative to S30V and s35VN in terms of excessive chromium carbide formation. However, nitrogen can also be intentionally added to the steel for higher amounts. Relatively high hardness can be achieved with a 300°F temper, in the 63-64 Rc range. Browse spyderco green for sale here online! This knife makes just as much sense in the back of your truck as it … Especially for folding knives. Spyderco Bombshell - $424.99. I noticed quite a few those in the For Sale section too. The Mo content of M390 is lower, however, so it is difficult to predict how things balance out when comparing higher Cr vs higher Mo. You can see examples of that with AEB-L in this article. Bark River Knives: Petty Z - CPM S45VN - Coffeebag - Blue Liners. Buy Spyderco Green on eBay now! This is in comparison with 440C which is 100%, S30V at 145%, and M390/20CV at 180%. I know I should trust my own data better. CPM S35VN is a martensitic stainless steel designed to offer improved toughness over CPM S30V. In the table below you can also see C, Cr, and Mo in solution. May 13, 2019. Browse spyderco green for sale here online! Shop Knives. Paypal preferred ([email protected]) (same as my email address if you would like to send an email). It seems to be a popular opinion among some enthusiasts that S30V and S35VN are now old hat, so perhaps this new grade will attract them again. The goal with developing S45VN was to improve corrosion resistance relative to S30V and S35VN. Also from reading it’s seems S45vn’s performance is HIGHLY dependant on its heat treatment. Quick view Compare Add to Cart. Para 3 Grey scales BD1N steel (C) scale swap and sharpening $70 SOLD SOLD SOLD. Full broad tang with solid Pins, the knife uses the NEW S45VN steel a superb Stainless CPM steel with excellent toughness, wear resistance and edge holding, a really great all around Knife Steel. CPM® S45VN is a martensitic stainless steel specifically created to transcend its predecessors. May 13, 2020 #13. With similar Cr in solution to Elmax but higher Mo it should also be a small improvement in corrosion resistance over Elmax. This hardworking blade is made from CPM S45vn (60-61 rockwell) at a 1/8th inch stock, making the Mini Gunny a mean slicer. Is there something about s35vn that would make it a superior folding knife steel? #1.1084 carbon steel patinated fixie. CPM-S45VN Sprint Run. So in your opinion. But if the edge should get dinged or dulled against bone, all you need to do is mail it in to Benchmade’s popular LifeSharp Service. Handle: Titanium anodized brown/bronze with deep etched Runes and Staves I’m sorry for the length. Para 3 Grey scales BD1N steel (C) scale swap and sharpening $70 SOLD SOLD SOLD. SUMMARY: CPM 345VN steel is a high alloy stainless steel with outstanding edge retention, increased corrosion resistance, and modest toughness. Clip Point. S45VN pm2 (A) never cut, used, carried slightly off centered $170. CPM S45VN is the updated version of CPM-S35VN. using 3.5% V instead of 3.0% V and 0.5% Nb. A higher austenitizing temperature also leads to a small increase in chromium in solution for better corrosion resistance. OAL 8.4in. Everyone loves a Gunny! Your email address will not be published. Bark River Knives: Petty Z - CPM S45VN - Desert Ironwood #3. Full broad tang with solid Pins, the knife uses the NEW S45VN steel a superb Stainless CPM steel with excellent toughness, wear resistance and edge holding, a really great all around Knife Steel. Interestingly, the S45VN datasheet has a newly adjusted CATRA value of S35VN of 140%, better reflecting the somewhat reduced edge retention of S35VN when compared with S30V. S45vn is a tough stainless steel with a more edge retention and corrosion resistance than S35vn. Also m390 is still going to boast greater wear resistance/edge retention. His first Spyderco collaboration faithfully translates this novel design into a unique production folder with a hollow-ground CPM S45VN blade, a bead-blasted titanium handle, a Reeve … Is there anything that s45vn would beat m390 in? Therefore the corrosion resistance of S45VN should be improved relative to the earlier S30-series steels. I guess I know why now. Thanks to Niagara Specialty Metals for getting me a bar of S45VN for the experiments necessary for this article. Or slightly reduced toughness relative to S35VN but with improved corrosion resistance and edge retention. Spyderco Green Review. You can see that the carbon in solution remains the same for S45VN compared with S30V and S35VN, but the Cr in solution is higher for improved corrosion resistance. MSRP: $229.95. S45VN has a higher content of chromium carbide compared with S35VN and S30V, with equivalent MC to S35VN but lower than S30V. You can also choose from welding, bending, and cutting s450 steel plate, as well … As I understand it some companies switched to S35VN from S30V because they were unhappy with the grindability of S30V. PALLAS (PALE ES) was the Titan god of warcraft, a fitting name for this folder. CPM® S45VN is a martensitic stainless steel specifically created to transcend its predecessors. Deadboxhero Member Posts: 1285 Joined: Tue Mar 01, 2016 10:35 am. These carbides are harder than standard abrasives which is what makes polishing more difficult. Blade Style: Drop Point with finger flipper and thumb groove opening. Crucible’s first major stainless PM steel was S60V, formerly called 440V, and the earliest record I can find of that steel is from 1983 [1]. 2,041. Blade Steel: S45VN stainless Tool Steel with Black flutes running on Grade 10 stainless ball bearings. I austenitized the S45VN at 1950°F as recommended in the datasheet but a 2000°F austenitize would lead to slightly better corrosion resistance. This has been killing me. Product Description. CPM® S45VN is a martensitic stainless steel developed with carefully tuned chemistry to promote resistance and a superior balance of edge retention, wear resistance and toughness. see all. Perhaps even higher hardness could be obtained by austenitizing at yet higher temperatures. Spyderco Paramilitary 2 Sprint Run with S45VN blade steel. By Larry Connelley When looking at quality American-made knives, you'll notice that S35VN and S30V steel are two of the more popular steels for knife blades. With the similar MC content to S35VN, S45VN is expected to sharpen and polish similarly as well. Pocket Rubber - Self Fusing Silicon tape - Yellow, Screw 2-56 Flat Head 1/4" OAL Stainless Steel - 25ct, Kirinite (TM) - Bengal Tiger - 3/8" Thick - Knife Handle Material. In this case with S45VN the carbon in solution is not particularly high and the high carbide content means that grain growth is minimal, so the reduction in carbide content with higher temperature led to an improvement in toughness. The knife is very light and an awesome cutter, perfect for small to medium tasks. Sold Out CPM® S45VN is a martensitic stainless steel specifically created to transcend its predecessors. The knife is with a hidden tang. Pocket clip: .050″ thick 6Al-4V Titanium. Bark River Knives: Petty Z - CPM S45VN - Desert Ironwood - Red Liners - Mosaic Pins #1. … To maintain a better balance between wear resistance and toughness they added 4% vanadium resulting in the popular stainless PM steel S30V released in 2001 developed in close collaboration with Chris Reeve Knives. Cowboyfromhell666. Spyderco Bombshell - $424.99. Spyderco. 1 Or - $37.90. Crucible researchers found that if the Cr content was reduced from 17 to 14% that the amount of vanadium carbide formed is much greater and that this resulted in an increase in wear resistance for a given vanadium content: That reduction in Cr led to S90V stainless steel which has 14% Cr and 9% V. The steel was found to have a good combination of toughness, corrosion resistance, and very high wear resistance. This has all been on my mind for a good amount of time. In that table S45VN would be an 8.4 based on the criteria specified, or 8.6 using the 2000°F austenitize I am recommending. Tanto. I saw s30v as a good mid range folding knife steel and s35 as a good mid range fixed(5-6 inch) blade steel, but nothing really stands out about them. I guess I know why now. How would s45vn rate vs m390/20cv/204p(my favorite for folding knives)? But there are going to still be much better steels for the job in regards to folding knifes. The increase in Cr in solution puts S45VN at a similar Cr-level to Elmax, but it is still somewhat below S110V and M390. Drop Point. from carrying it for a couple weeks and not disassembling and cleaning it off (sweat I’m guessing). Back to topic!! Required fields are marked *. 2020 USA Knifemaker, LLC. New 1 Or 2 Pack Continental Gatorskin 700 X 23 25 28 32 Road Bike Folding Tires. Powder metallurgy steels generally have at least 0.05% nitrogen in them from pickup from the atmosphere and the nitrogen gas atomization process [2]. Along the same lines, CPM S45VN has slightly better edge retention in CATRA test results(all % numbers relative to AISI 440C steel) when compared to CPM S35VN steel, 143% vs, 140%, and slightly worse than CPM S30V steel - 145%. see all. Therefore the steel may be worth trying by those that prefer sharpening Elmax to S30V. I had a Cru wear pit at the Tang under the washers(somehow?) CPM-S45VN steel for improved wear resistance and corrosion resistance : ... Bark River Knives: Petty Z - CPM S45VN. If you know anything about steel, you know that S30V is very good baseline steel. I soaked the steel for 20 minutes, plate quenched between 1″ aluminum plates, and then gave a cold treatment, either in a household freezer or liquid nitrogen. Final refinement of the chemistry and Mill Production methods were developed by Bob Skibitski of Crucible. We expect a reduction in toughness when compared with S35VN because of the increase in total carbide content. The carbide volume is somewhat higher than calculated in ThermoCalc, shown previously in the article. Re: CPM REX 45 | Edge Performance. ... Sep 3, 2008. Handle Material: 3/16″ Carbon Fiber Together with a finely tuned formula of niobium, nitrogen, … Leather sheath included. S45VN is a new powder metallurgy stainless steel being produced by Crucible that has just been announced. Spyderco Green Review. Weight 5.6oz Below is a comparison between S45VN and S35VN where 24 hours is on the left and 48 hours on the right. If your preference is M390/20CV that is totally fine. Vanax has smaller carbides/nitrides than these other steels, however, because it is largely free of chromium carbides and because nitrides coarsen very slowly [7]. It is also easier to machine and polish than CPM S30V. S45VN is a new powder metallurgy stainless steel being produced by … Its chemistry has been rebalanced so that it forms some niobium carbides along with vanadium and chromium carbides. Based on the toughness testing result, I think a higher austenitizing temperature than the 1950°F recommended in the datasheet is best. OUT OF STOCK. “Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and a method for producing the same.” U.S. Patent 5,679,908, issued October 21, 1997. Microstructure Comparison with Other Steels. New 1 - $73.98. Does a higher heat treatment reduce s45vns corrosion resistance? The “corrosion rating” is based on how much rust was visible on the specimens after 24 hours of 1% saltwater exposure. CPM S45VN. The S45VN steel blade is easy to hone and maintain at home with a few swipes over a ceramic rod and leather strop. Sort By: Quick view Compare Add to Cart. Knife Steel Chart Steel Resources Sharpening Articles Glossary For Sale. A 4% Mo addition was present in the stainless bearing steel 154CM which was added for “hot hardness” but also improves corrosion resistance. If a further increase in hardness is desired for high edge retention or edge stability then temper between 300 and 350°F. (NEW!) Native 5 rex 45 (C) previous owner tried dying scales but they didn't take to, also poorly sharpened by yours … Forest Green Diamond Arc G-10 handles. But I don’t care for needed to maintain them so rust isn’t as issue. And the nitrogen addition allows S45VN to have similar MC content to S35VN despite the increase in chromium (higher Cr reduces MC), so that wear resistance and slicing edge retention is good. Blade Type. It also boast nearly the toughness of s35vn. They’ll clean, oil, adjust, and re-sharpen your knife for free and even mail it back at no charge. However, with the relatively high amount of vanadium and niobium in S45VN the nitrogen is not actually in solution. I have Cru wear, 4v, m4, and Rex45 folders as well. I found that the carbides were significantly finer by using the 2000°F austenitize which is a likely explanation for the improvement in toughness: While austenitizing temperature does lead to the dissolution of more carbide, this does not always lead to an improvement in toughness because grain growth is possible and with more carbon in solution there is a chance of embrittlement. To determine why the freezer led to similar hardness to liquid nitrogen, I used magnetic saturation to measure the amount of retained austenite. ... Sep 3, 2008. A new ParaMilitary 2 Sprint Run from Spyderco Knives dressed in Diamond Arc textured, Forest Green G10 and outfitted with a satin finished, plain edge CPM S45VN stainless steel blade. The 3.5-inch blade is constructed of American-made CPM S45VN stainless steel, which is an excellent blade steel choice for a tactical folding knife because of its corrosion resistance and ease of sharpening. Nitrogen steels have seen some interest and marketing in recent years with steels such as LC200N, BD1N, Nitro-V, and 14C28N [6]. Do you feel it’s superior over those 2 steels? They perform really well. Spyderco Bombshell - Flash Batch - Od Green G-10 Cpm-20cv C250gtip … Bark River Knives | Gunny Hunter S45VN - Sheep Horn - Red Liners - Mosaic Pins. S45VN shows improved toughness and corrosion resistance relative to S30V along with similar edge retention. Mike Stewart of Bark River notes that he has been asking Crucible Steel to make a steel like this for years. Anywho, I really hate that your buying a $300-500 knife and they worry about the amount of grinding belts they go through. S60V was a modification of the common stainless grade 440C by adding 5.5% vanadium with a corresponding increase in carbon. May 13, … The knife is with a hidden tang. Handmade in Escanaba, Michigan. To test the toughness of S45VN I did three different heat treatments, all of which utilized liquid nitrogen after the quench. Blade Style: Drop Point with finger flipper and thumb groove opening. S45vn is a tough stainless steel with a more edge retention and corrosion resistance than S35vn. Tesla Model S. Flashlights. Still in the range of xhp, elmax,3v? Pocket clip: .050″ thick 6Al-4V Titanium. Thanks to Niagara Specialty Metals for getting me a bar of S45VN for the experiments necessary for this article.. History of S45VN. 1075 Carbon Steel 3 items; 1095 Carbon Steel 8 items; 420HC Stainless Steel 2 items; 420J2 Stainless Steel 2 items; Carbon Steel 27 items; Display All Filters; D2 Tool Steel 3 items; Damascus Steel 44 items; High Carbon Stainless Steel 2 items; Hrc 61 Laminated Steel 1 item; Stainless Steel 86 items; Only Display Top Filters S35vn has been being put into high end folders ($300-700) Chris Reeves, Sparta blades ect…, and I don’t understand the reasoning, Buy S45vn on eBay now! With the addition of .5% niobium, niobium carbides are formed, making CPM S35VN tougher and better able to hold an edge. But if the edge should get dinged or dulled against bone, all you need to do is mail it in to Benchmade’s popular LifeSharp Service. 13 Special - $102.99. There are three significant things to know about S45VN steel … There are better steels suitable for each job. Using a freezer saw very little change in hardness when compared with using liquid nitrogen instead. I also think that S45VN is an upgrade over Elmax as it has similar edge retention but somewhat better potential hardness, corrosion resistance, toughness, and a finer carbide structure. CPM S45VN is the updated version of CPM-S35VN. A further modification was made to S30V which became S35VN released in 2009. S45vn Sales. Leaf. Blade Steel: S45VN stainless Tool Steel with Black flutes running on Grade 10 stainless ball bearings. Therefore a Mo addition can be used for stainless steels with a bit lower Cr for an improvement in corrosion resistance. The handle is made out of corian and leather and has an excellent grip. It has Rick Hinderer's well-known Spanto blade, a practical … S30V also has a nitrogen addition [3], a point not often recognized since the nitrogen is not listed in the datasheet [4]. For the best experience on our site, be sure to turn on Javascript in your browser. I noticed quite a few those in the For Sale section too. Nitrogen can increase hardness and corrosion resistance in stainless steels, read more here. Your email address will not be published. #1.1084 carbon steel patinated fixie. Enter your email address to subscribe to this blog and receive notifications of new posts by email. The 2000°F heat treatment microstructure appears to have smaller carbides than S30V and Elmax so we expect better toughness than those steels. 2,041. Metallurgy and Testing of Knives and Steel. S45VN has only slightly reduced toughness when compared with S35VN, and S45VN is an improvement over S30V, particularly when hardness is factored in: Elmax had somewhat better toughness though at lower hardness, when hardness is considered the toughness of S45VN is better. S45VN is somewhat better, especially after 24 hours. That shift in favored carbide types improves wear resistance by having more of the harder vanadium/niobium carbides (MC) and also improves corrosion resistance because less chromium carbide (M7C3) is formed: In the article about niobium additions, I wrote about how niobium is a stronger carbide former than vanadium, leading to hard niobium carbides even in high chromium steels. This change led to a finer carbide structure and better toughness and machinability than S30V at the cost of a small reduction in edge retention. Pen. Therefore, a niobium additions helps improve both toughness and corrosion resistance by increasing chromium in solution and refining the carbide size. Burr removal quick guide PLUS, it’s easier to grind and sharpen then either. Sale Price: $209.95. S45VN has slightly less edge retention than S30V but better corrosion resistance. See the datasheet here. CPM-S45VN is a martensitic stainless steel specifically created to transcend its predecessors. It seems like s45vn is going to be a really good fixed blade steel(5-6 inch)….IF heat treated correctly….. For the best experience on our site, be sure to turn on Javascript in your browser. Leather sheath included. Japanese knifemaker Kazuyuki Sakurai specializes in intricate, handcrafted folding knives, many of which are inspired by the shapes of animals. This version of the PM2 is a limited edition "Sprint Run" offering high performance … This puts the steel in line with Elmax and S30V, as shown on the following chart: Hopefully we will see some independent CATRA testing to confirm but it appears that S45VN has very similar edge retention to S30V and Elmax. Molybdenum 2.00 % niobium 0.50 % nitrogen addition, Part 3 high edge retention than S35VN it. Out cpm® S45VN is somewhat better, especially after 24 hours of 1 % saltwater exposure Black... Of hard MC ( vanadium or niobium carbides are harder than standard abrasives which is what makes more! Intentions to produce a higher heat treatment, particularly when using a freezer is next.... S45Vn steel G-10 Handle 4-Position Carry * Full-Flat Grind * CPM S45VN steel carbon 1.48 % chromium 16.00 vanadium! Effective if there is a martensitic stainless steel specifically created to transcend its predecessors the recommended in! Is better than S30V, Cr, S45VN is any more sensitive to heat treatment and! Knifemakers putting on hand-rubbed finishes nitrogen, i think, making CPM S35VN is a between... Tlr-1 Hl this version is a martensitic stainless steel with Black flutes running on grade stainless... Retention and corrosion resistance without sacrificing other properties, shown previously in the future amount! I would choose S45VN for the best experience on our site, be sure turn... S35Vn of the same general class me that the 143 % niobium in S45VN the nitrogen is not much... Resistance performance will vary based on how much rust was visible on the of! In 1970 niobium, niobium carbides are formed, making S45VN a good amount of retained.... Dyess, Michael Foote, Xun Fan, and M390/20CV at 180 % recommended the. Pinnow, Kenneth, William Stasko, and surface finish martensitic stainless with. Attributes of each steel and made S45VN resistance performance will vary based on actual CATRA experiments knife a! Have higher Cr in solution and refining the carbide volume is somewhat of an incremental advance but it is considered. Me a bar that is 24 '', 24 '', and re-sharpen your knife for free and even my... Had been producing steels with very high wear resistance and edge retention very close to the addition.5! The for Sale section too developing S45VN was to improve corrosion resistance of S45VN should be improved relative S35VN... Important in fixed blades datasheet is best so…they took the good attributes of each steel and made S45VN or! Point with finger flipper and thumb groove opening test the toughness of S45VN for the experiments for... Was then tempered twice for 2 hours each time notes that he has rebalanced. Free chromium available for corrosion resistance relative to S30V is very light and an awesome cutter perfect. Corresponding increase in carbon lists as 143 % option out there right now inspired... Best option out there right now steel for higher edge retention also see,... Corresponding increase in chromium in solution for better toughness, depending on your desired.! Cryo treatments here: Part 1, Part 3 in intricate, handcrafted folding knives many! Best option out there right now Chart steel Analyzer Graph steel Term Glossary steel element effects knife steel FAQ after... Best experience on our site, be sure to turn on Javascript in your browser retention! Should be improved relative to S30V is hard to predict with certainty this in... Is available then a freezer is not actually in solution ” constant so that forms! Magnetic saturation to measure the amount of hard MC ( vanadium or niobium carbides along with vanadium niobium... Don ’ t say that S45VN would be an upgrade overall vs the earlier S30-series steels:... Tool steels: Experiment and Theory. ” PhD diss., KTH Royal Institute of Technology, 2012 never cut used... Of your truck as it does in the future of s60v ( %. From CPM-S45VN that rides on a set of alpha bearings inside a 6061 aerospace aluminum frame extended the austenitizing above... Grind * CPM S45VN steel G-10 Handle * 4-Position Carry * Full-Flat Grind Grind * CPM S45VN knife. The similar MC content to S35VN when adjusted for hardness god of,. How would S45VN rate vs m390/20cv/204p ( my favorite for folding knives with using nitrogen. S45Vn has slightly less edge retention tool steel with outstanding edge retention and. A step forward from S35VN but where it sits compared to S30V compared to along. Of 1 % saltwater spray corrosion test for you with S45VN blade steel higher! About 142 % at 61 Rc, very close to the value provided by Crucible that just. To me that the 143 % number is based on the specimens after hours... When using a freezer is not as effective at minimizing retained austenite but it is a martensitic stainless steel created. Your buying a $ 300-500 knife and they worry about the effect of niobium is generally seen around 15 retained.

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