2,041. The overall carbide content controls to a great extent the toughness of the steel. 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. The knife is with a hidden tang. S35VN has better toughness. So was crucible’s intentions to produce a higher mid ranged steel? S45VN has a higher content of chromium carbide compared with S35VN and S30V, with equivalent MC to S35VN but lower than S30V. This has all been on my mind for a good amount of time. M390 and 20CV have surprisingly high toughness given the high carbide content. Spyderco Bombshell - Flash Batch - Od Green G-10 Cpm-20cv C250gtip … CPM-S45VN *Surface Ground Bar Stock HRA .156" - See Length Note, Ground to specified thickness with tolerance of plus .010". New 1 - $73.98. The handle is made out of corian and leather and has an excellent grip. I noticed quite a few those in the For Sale section too. Spyderco Para 3 C223GPFGR - CPM S45VN Blade - Forest Green G10 Handle - Sprint Run - USA Made $149.80 This item is currently out of stock. Substituting niobium carbides for some of the vanadium … Do you feel it’s superior over those 2 steels? Sorry…. Instead, the nitrogen promotes the formation of vanadium and niobium carbide which also decreases the amount of chromium carbides. S45VN is somewhat of an incremental advance but it does seem to be an upgrade overall vs the earlier S30-series steels. S60V was a modification of the common stainless grade 440C by adding 5.5% vanadium with a corresponding increase in carbon. S45VN pm2 (A) never cut, used, carried slightly off centered $170. The steel was then tempered twice for 2 hours each time at the indicated temperature. There are three significant things to know about S45VN steel … Therefore the steel may be worth trying by those that prefer sharpening Elmax to S30V. I guess I know why now. Premium. CPM-S45VN Sprint Run. Using a freezer saw very little change in hardness when compared with using liquid nitrogen instead. Blade Steel: S45VN stainless Tool Steel with Black flutes running on Grade 10 stainless ball bearings. Paypal preferred ([email protected]) (same as my email address if you would like … Spyderco Bombshell - $424.99. When m390/20cv/204p seems to be a superior steel to it overall. 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]. “Multicomponent diffusional reactions in tool steels: Experiment and Theory.” PhD diss., KTH Royal Institute of Technology, 2012. 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. I have an update on M390 toughness in this article: https://knifesteelnerds.com/2020/06/01/m390-steel-history-and-properties-and-20cv-and-204p/. “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. 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. (NEW!) 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. It was found that in both cases the retained austenite content was relatively low, so even higher austenitizing temperatures would be required to start to see a divide between freezer and liquid nitrogen. Your email address will not be published. Shop for knives featuring CPM S45VN blade steel. I extended the austenitizing temperature above the recommended range in the datasheet (1900-2000°F) because of prior experience with heat treating S35VN. CPM S45VN. But I suspect further experiments would reveal that its toughness is high due to undesirable factors such as excess retained austenite. Lol. Lock Type: Button Lock. May 13, 2019. This would be the resulting child. I’d love if you did a follow up with m390 to find out more about it’s toughness. Thanks to John Dyess, Michael Foote, Xun Fan, and Mark Vanderwest for becoming Knife Steel Nerds Patreon supporters! Sale Price: $172.45. Its carefully tuned chemistry promotes the formation of more chromium carbides, while leaving larger amounts of free chromium available for corrosion resistance. They’ll clean, oil, adjust, and re-sharpen your knife for free and even mail it back at no charge. Great prices on fantastic knives! This version of the PM2 is a limited edition "Sprint Run" offering high performance … The knife is with a hidden tang. I’m glad you found a steel that works for you. An improvement in toughness with a higher austenitizing temperature was also seen with heat treatments of S35VN which likely behaves somewhat similarly (I do not yet have a separate article on S35VN): The toughness of S35VN was also found to peak at a tempering temperature around 350-400°F which may also help explain why the 2000-400 heat treatment led to the best combination of hardness and toughness: To investigate the cause behind the toughness increase with higher austenitizing temperature, I looked at the microstructure for the 1950-450 and 2000-400 specimens. A further modification was made to S30V which became S35VN released in 2009. https://www.patreon.com/Knifesteelnerds, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window). Therefore, a niobium additions helps improve both toughness and corrosion resistance by increasing chromium in solution and refining the carbide size. 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. Eventually though, CRK introduced S30V steel, which Chris was directly involved … I had a Cru wear pit at the Tang under the washers(somehow?) Also m390 is still going to boast greater wear resistance/edge retention. Native 5 rex 45 (C) previous owner tried dying scales but they didn't take to, also poorly sharpened by yours … Spyderco *SPRINT RUN* Paramilitary 2 CPM S45VN , Forest Green G10. Enter your email address to subscribe to this blog and receive notifications of new posts by email. New 1 Or 2 Pack Continental Gatorskin 700 X 23 25 28 32 Road Bike Folding Tires. Knife Steel Chart Steel Resources Sharpening Articles Glossary For Sale. If you buy 3, you will get a bar that is 36" in length. With the similar MC content to S35VN, S45VN is expected to sharpen and polish similarly as well. Here are a few more steels in a table for comparison: As discussed in the design section, S45VN has higher Cr in solution compared to S30V and S35VN, but each has a similar Mo in solution. If a further increase in hardness is desired for high edge retention or edge stability then temper between 300 and 350°F. spyderco paramilitary 2 emerson with aftermarket rgt g10 scales lightly used . Therefore a Mo addition can be used for stainless steels with a bit lower Cr for an improvement in corrosion resistance. Both S30V and S35VN steel are made with the same carbon and chrome content, and from various tests, both steels provide the same edge retention and corrosion … Is s35vn tougher vs m390? I will be writing a more in-depth history of S30V and S35VN in the future. Spyderco Paramilitary 2 Sprint Run with S45VN blade steel. Is there anything that s45vn would beat m390 in? As I understand it some companies switched to S35VN from S30V because they were unhappy with the grindability of S30V. CPM® S45VN is a martensitic stainless steel specifically created to transcend its predecessors. My recommended heat treatment for S45VN is 2000°F austenitize along with a fast quench and a cold treatment followed by a 300-400°F temper depending on desired hardness. This CPM S35VN stainless steel data sheet highlights the edge retention and toughness of this knife steel. The peak in hardness is generally seen around 15% retained austenite. Its carefully tuned chemistry promotes the formation of more chromium carbides, while leaving larger amounts of free chromium available for corrosion resistance. Steel: Crucible CPM S45VN, 63HRC Handle: Black/Gray micarta Edge: 14° per side, 0.008" prior to sharpening, DMT 3 micron Asking price is only SOLD and includes a custom made kydex sheath as well as free shipping anywhere in the USA! Hopefully we can do more investigations on M390 toughness later. It is also easier to machine and polish than CPM S30V. They’ll clean, oil, adjust, and re-sharpen your knife for free and even mail it back at … Its carefully tuned chemistry promotes the formation of more chromium carbides while leaving larger amounts of free chromium available for corrosion resistance. S45VN is a new powder metallurgy stainless steel being produced by Crucible that has just been announced. OUT OF STOCK. It seems like s45vn is going to be a really good fixed blade steel(5-6 inch)….IF heat treated correctly….. The 2000°F austenitize in combination with cryo and a 400°F temper led to a good combination of hardness (61-62 Rc) and toughness along with low retained austenite. MSRP: $279.95. Mike Stewart of Bark River notes that he has been asking Crucible Steel to make a steel like this for years. Spyderco. The S45VN datasheet provides a number for CATRA edge retention relative to 440C, which it lists as 143%. With the addition of .5% niobium, niobium carbides are formed, making CPM S35VN tougher and better able to hold an edge. A wide variety of s450 steel plate options are available to you, such as aisi, astm, and jis. Powder metallurgy steels generally have at least 0.05% nitrogen in them from pickup from the atmosphere and the nitrogen gas atomization process [2]. I wouldn’t say that S45VN is any more sensitive to heat treatment than any other steel. Features Made in Escanaba, MI CPM-S45VN steel for improved wear resistance and corrosion resistance : ... MSRP: $229.95. A 4% Mo addition was present in the stainless bearing steel 154CM which was added for “hot hardness” but also improves corrosion resistance. Sale Price: $209.95. A new Para 3 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. This has been killing me. Drop Point. Microstructure Comparison with Other Steels. Due to how well rounded it is. Blade length 3.775in. That way the 14% Cr content can be used for the formation of vanadium carbide but make up for the lower Cr content through the Mo addition. Cowboyfromhell666. Blade length 3.775in. Sold Out CPM® S45VN is a martensitic stainless steel specifically created to transcend its predecessors. [7] Lindwall, Greta. Shop Knives. So was crucible out to create a new premium steel? Buy Folding Knives with S35VN Steel from Knifecenter.com - The Original and Largest Online Catalog of Cutlery Folding Knives with S35VN Steel - 1 to 30 of 771 results - Knife Center CYBER MONDAY EVENT STARTS NOW | OUR BIGGEST SALE OF THE YEAR! The knife is very light and an awesome cutter, perfect for small to medium tasks. BTW that steel looks awesome and your Christmas tree is very inspirational. 13 Special Mate Tackle Box, Gray, Holds 45 Body Baits For Musky Fishing 1345 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]. Carbon in solution controls the as-quenched hardness, previously devised edge retention prediction equation, Spyderco's First 2020 Product Reveal Showcases Next Gen Steels, https://knifesteelnerds.com/2020/06/01/m390-steel-history-and-properties-and-20cv-and-204p/. Para 3 Grey scales BD1N steel (C) scale swap and sharpening $70 SOLD SOLD SOLD. This knife makes just as much sense in the back of your truck as it does in the kitchen drawer. Nitrogen steels have seen some interest and marketing in recent years with steels such as LC200N, BD1N, Nitro-V, and 14C28N [6]. CPM S45VN. Sort By: Quick view Compare Add to Cart. #1.1084 carbon steel patinated fixie. The S45VN steel blade is easy to hone and maintain at home with a few swipes over a ceramic rod and leather strop. The knife is very light and an awesome cutter, perfect for small to medium tasks. Does a higher heat treatment reduce s45vns corrosion resistance? Just ask Steve. 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. I suspect that those samples (austenitized at 2140°F) have relatively high retained austenite which can help with toughness but is not always desirable. Steel: Crucible CPM S45VN, 63HRC Handle: Black/Gray micarta Edge: 14° per side, 0.008" prior to sharpening, DMT 3 micron Asking price is only SOLD and includes a custom made kydex sheath as well as free shipping anywhere in the USA! Product Description. It also boast nearly the toughness of s35vn. Thanks to John Dyess, Michael Foote, Xun Fan, and Mark Vanderwest for becoming Knife Steel Nerds Patreon supporters!. Handle: Titanium anodized brown/bronze with deep etched Runes and Staves CPM S35VN is a tougher version of the popular CPM S30V, due to the addition of niobium. Toughness really isn’t as important in fixed blades. CPM® S45VN is a martensitic stainless steel specifically created to transcend its predecessors. CPM S45VN. Clip Point. I noticed quite a few those in the For Sale section too. S45vn is a tough stainless steel with a more edge retention and corrosion resistance than S35vn. Ambidextrous. The combination of niobium and nitrogen helps to keep the chromium carbide content as low as possible to help offset the increase in chromium so good toughness is maintained. To determine why the freezer led to similar hardness to liquid nitrogen, I used magnetic saturation to measure the amount of retained austenite. Composition of CPM S45VN Steel Carbon 1.48% Chromium 16.00% Vanadium 3.00% Molybdenum 2.00% Niobium 0.50% Nitrogen 0.15%. Filter by Steel. A higher austenitizing temperature also leads to a small increase in chromium in solution for better corrosion resistance. ***One per household. Blade thickness .156in. I austenitized the S45VN at 1950°F as recommended in the datasheet but a 2000°F austenitize would lead to slightly better corrosion resistance. [2] Pinnow, Kenneth, William Stasko, and John Hauser. **If you buy 2 or 3 and want it cut into 12" length pieces, please specify in the comments section that you would like them cut into 12" pieces. Pocket clip: .050″ thick 6Al-4V Titanium. Handle Material: 3/16″ Carbon Fiber 1 Or - $37.90. The 2000°F heat treatment microstructure appears to have smaller carbides than S30V and Elmax so we expect better toughness than those steels. Blade Steel: S45VN stainless Tool Steel with Black flutes running on Grade 10 stainless ball bearings. Read about the effect of niobium in steel in this article. Austenitizing at 2000F followed by a Cryo treatment and tempering at 400F should result in a hardness of 61-62 HRC, (507) 720-6063 info@usaknifemaker.com 2650 9th Avenue Mankato, MN 56001. Everyone loves a Gunny! Bravo Concealment Owb Holster For Glock 19 23 32 | Tlr-1 Hl. Required fields are marked *. Based on the toughness testing result, I think a higher austenitizing temperature than the 1950°F recommended in the datasheet is best. New to Benchmade, the CPM-S45VN premium stainless steel provides the perfect balance of a fine grain, sharp edge with carefully engineered blade flex. If you buy 1, you will get a stick 12" long by the width and thickness shown. Instead, a complex chromium carbide is formed which does not have the same high hardness as the pure vanadium carbide. - Spyderco Paramilitary 2 Sprint Run C81GPFGR2 Folding Knife, Satin 3.437" Plain Edge CPM-S45VN Blade, Diamond Arc™ Forest Green G-10 Handle $225.00 $157.50 Compare Final refinement of the chemistry and Mill Production methods were developed by Bob Skibitski of Crucible. [8] https://knifesteelnerds.com/wp-content/uploads/2018/08/Bohler-Uddeholm-CATRA.pdf, Awesome article gonna have to get some now. CPM-S45VN is a martensitic stainless steel specifically created to transcend its predecessors. Carbon in solution controls the as-quenched hardness (more is better), and the chromium and molybdenum in solution control corrosion resistance (more is better). The S45VN steel blade is easy to hone and maintain at home with a few swipes over a ceramic rod and leather strop. 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. CPM S45VN. Bark River Knives: Petty Z - CPM S45VN - Desert Ironwood #3. Using the ThermoCalc estimated carbide content we can use a previously devised edge retention prediction equation to determine its approximate CATRA edge retention. I know I should trust my own data better. 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. Apart from the increase in Cr, S45VN also has a 0.15% nitrogen addition. PALLAS (PALE ES) was the Titan god of warcraft, a fitting name for this folder. Leather sheath included. If I ever want to try something in S45VN, I’ll wait until, or if, that steel becomes part of the regular lineup and not a sprint. Pen. Tanto. Toughness is better than CPM S30V, but slightly less than CPM-S35VN.Link below has comprehensive heat treat information and much more from www.knifesteelnerds.com, https://knifesteelnerds.com/2019/11/01/crucible-s45vn-steel/, Wrap blade in stainless steel heat treat foil, Bring to 1550/1600F and equalize (let it soak for 10 minutes), Bring it up to Austenitizing temp 1900 - 2000F and hold for 15 - 30 minutes, A Cryo treatment in liquid nitrogen (or dry ice) before tempering will increase hardness. 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 Spyderco Barong - $879.99. I tested S45VN in my 1% saltwater spray corrosion test. Spyderco. Type. Weight 5.6oz OUT OF STOCK. Free shipping. For the best experience on our site, be sure to turn on Javascript in your browser. This is expected due to ThermoCalc being an equilibrium calculation (infinite hold time). using 3.5% V instead of 3.0% V and 0.5% Nb. Its chemistry has been rebalanced so that it forms some niobium carbides along with vanadium and chromium carbides. Handmade in Escanaba, Michigan. How would s45vn rate vs m390/20cv/204p(my favorite for folding knives)? The chemistry has been rebalanced to improve corrison resistance, wear resistance and edge retention. OUT OF STOCK. The results of these experiments (minus S45VN) were previously shown in this article. CPM S35VN is a tougher version of the popular CPM S30V, due to the addition of niobium. These carbides are harder than standard abrasives which is what makes polishing more difficult. $199.00. So I would choose S45VN for higher edge retention and corrosion resistance and S35VN for better toughness, depending on your desired properties. You can also choose from welding, bending, and cutting s450 steel plate, as well … Blade Type. It features a beefy blade made from CPM-S45VN that rides on a set of alpha bearings inside a 6061 aerospace aluminum frame. Vanax has higher toughness than S45VN, being similar to S35VN when adjusted for hardness. Crucible had been producing steels with very high wear resistance in combination with good toughness by designing them with high vanadium additions. Therefore the corrosion resistance of S45VN should be improved relative to the earlier S30-series steels. (Which is still considered an excellent blade material.) Sale … Everyone loves a Gunny! The handle is made out of corian and leather and has an excellent grip. This version is a limited edition "Sprint Run" offering high performance and a lasting collector's value. S30V also has a nitrogen addition [3], a point not often recognized since the nitrogen is not listed in the datasheet [4]. If I ever want to try something in S45VN, I’ll wait until, or if, that steel becomes part of the regular lineup and not a sprint. This version of the PM2 is a limited edition "Sprint Run" offering high performance and a lasting collector's value. Handle Material: 3/16″ Carbon Fiber Or slightly reduced toughness relative to S35VN but with improved corrosion resistance and edge retention. You can read more about cryo treatments here: Part 1, Part 2, and Part 3. 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. I used the same subsize unnotched specimens we have used previously, the specifications of which are found on this page. ***One per household. The following chart shows C and Cr in solution for a range of PM vanadium stainless steels using ThermoCalc estimates with the recommended austenitizing temperature found in each datasheet: I heat treated S45VN by wrapping it in heat treating foil and heating it in an Evenheat furnace. S45vn is a tough stainless steel with a more edge retention and corrosion resistance than S35vn. Blade Length: Approximately 2.875" ~ 2 7/8" ~ 73 mm Blade Material: CPM-S45VN Stainless Steel Blade Style: Flat Ground, Plain Edge Blade Thickness: Approximately 0.15625" ~ 5/32" ~ 4 mm Lock Style: Compression Lock Closed Overall Length: Approximately 4.3125" ~ 4 5/16" ~ 109 mm Open Overall Length: Approximately 7.1875" ~ 7 3/16" ~ 183 mm Handle Material: Green G-10 This knife makes just as much sense in the back of your truck as it … It will not be as easy to finish as something like CPM-154 which is a favorite among custom knifemakers putting on hand-rubbed finishes. 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. 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. 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. Forest Green Diamond Arc G-10 handles. Post by Deadboxhero » Sun Aug 12, 2018 3:50 pm . The same study found values for 61 Rc S30V at 149% and 61.5 Rc M390 at 179% [8], which are similar to those given by Crucible (though for 20CV rather than M390). MSRP: $299.95. CPM S45VN is the updated version of CPM-S35VN. Spyderco. S35VN had a somewhat reduced vanadium content (3%) in combination with 0.5% niobium. Premium. 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. from carrying it for a couple weeks and not disassembling and cleaning it off (sweat I’m guessing). [1] Chilton’s iron age 226 (1983): p. vi. Images Customs Fixed Folders Kitchen Macro Screen Savers. It shows a better overall set of properties, I think, making S45VN a good upgrade to either S30V or S35VN. Leather sheath included. S110V has a similar Mo content as well so it should still have better corrosion resistance than S45VN. Blade Style: Drop Point with finger flipper and thumb groove opening. 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. 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. 58-59 HRC. S45VN is somewhat better, especially after 24 hours. The ratings are approximate and the actual corrosion resistance performance will vary based on the corrosive media, heat treatment, and surface finish. Thanks to Niagara Specialty Metals for getting me a bar of S45VN for the experiments necessary for this article. All Rights Reserved. Buy S45vn on eBay now! If you buy 2, you will get a bar that is 24" in length. Buy Folding Knives with S35VN Steel from Knifecenter.com - The Original and Largest Online Catalog of Cutlery Folding Knives with S35VN Steel - 1 to 30 of 771 results - Knife Center CYBER MONDAY EVENT STARTS NOW | OUR BIGGEST SALE … The new S45VN steel offers corrosion resistance like never before.