M390 vs k390 - Edge retention tells us how well steel keeps its sharpness when we use it.

 
ZDP-189 vs K390 Steel. . M390 vs k390

but alas they are both stainless and should be reasonable. This is why youve got S30V as more edge retentive in your charts than Magnacut, while Pete has Magnacut as between M390 and K390 in actual, true, edge retention, that is a combination of abrasion resistance from the sisal rope, and impact resistance from striking the wood cutting board on each cut. Overview of m390 and k390 steel. The main difference between these two steels is the production process. Both the blades are premium, and they have an almost similar rate of performance. Bohler&39;s maximum recommended hardness is 64 HRC. Advantages Extremely high wear resistance and corrosion resistance. Also a guy on here who is constantly around salt water confirms this. The resulting macrohardness was 750 HV for the Nb Steel. This is the replacement Delica from my warra. The composition of a knife steel plays a crucial role in determining its performance characteristics. Aug 17, 2019. Top four in rotation K390 GCM PM2, ZCarta Shaman, Crucarta PM2, K390 GCM Straight Spine Stretch. PM2s in M390 were dealer exclusives only, so market dictates their prices. The toughness of both steels is similar, but K390 holds up to impact cutting better than M390. M390 is a high-performance knife steel known for its excellent edge retention, corrosion resistance, and toughness. Both K390 and Vanadis 8 did have slightly less edge retention than 10V, however. M390 - 3,5 out of 10 S35VN - 5 out of 10 Measured as lateral force pressure. How does it stack up to its cousin K. M390, on the other hand, is a powder metallurgy stainless steel made by Bohler. The K390 Paramilitary 2 is, without a doubt, a great knife with a great steel. (k390 . ZDP-189 vs Cowry-X. Austenitize Heat rapidly from preheat. Guardian 3 - M390. Thats why people often call it super steel. And also the edge holding of m390 on some knives was practically the same, as I experienced with MagnaCut especially fixed blades by TRC Knives, their heat treating is spectacular). Last edited Aug 26, 2022. I also have to say, the action is a little better on this knife, the blade of the K390 feels "heavier" when closing it. 25 30 35 40 45 Impact energy Impact energy (J) 10 Vanadium 1080 C (1975 F) 8 Vanadium 1070 C (1960 F) 1070 C (1960 F) 61 HRc. Re A Gayle Bradley 2 in Cruwear Postby Giygas &187; Sat Nov 18, 2023 1125 am. Re A Gayle Bradley 2 in Cruwear Postby Giygas &187; Sat Nov 18, 2023 1125 am. In fact, in his article about the edge retention of 48 steels he wrote >>>I have tested the toughness for all but 7 of the steels Z-Max, BD1N, K390, S125V, S90V, S60V, and Vanadis 8. S90v holds and edge for what feels like an unusually long time. Basically same ingredients just higher percents. 9 in the M390 Steel), they both fall in the same price range. can change values. M390 MICROCLEAN Brochure. The high alloy content gives this material outstanding wear resistance. To ensure ease of carry and immediate access, this Enuff 2 includes an injection-molded polymer sheath that provides both snap-fit retention and a secondary leather retaining. K390 knives are semi-stainless, and M390 knives are totally stainless. However, it is also one of the most expensive steels, with prices ranging from 6-20 per pound. Basically to my knowledge the only company that does it right is Spyderco at 62HRC. S45VN is all around better than m390. This is a very similar, though not identical, ratio to S30v, though M390 has a larger overall carbide structure. M390 MICROCLEAN Brochure. M390 is effectively identical to CPM 20CV and CTS 204P, and of those three, is most often used on internationally manufactured knives. An improvement in edge retention may result from a slightly higher hardness and slightly higher fraction of carbide. The PM2 is a true jack of all trades, but still a master of some. 25 chromium in it. 5) Compared to S30v (10. Even though Bhler M390 is one of the most popular and best performing types of steel on the market, Bhler developed it to be used in moulds for the injection moulding industry. Like was mentioned above for hard use m4 is better if you dont need it to be stainless. MSI Spatium M390 1TB. Re ZDP-189 vs. M390 the same corrosion resistance, toughness and higher edge retention compared to the K390. M390 and K390 steel are among the most popular high-end steels used in the production of knives and other cutting tools. Then another 130 cuts to become dull enough for my testing. They offer great balance in toughness, wear resistance, edge retention, and corrosion. k390 is quite a bit different. Moderately difficult to sharpen, but wont take you as long as with S90V. I am regularly surprised at I its edge retention. To start, the K390 Urban is first non stainless steel. Steel Laminated K390 -64hrc. Kids Tablet,10inch Tablet for Kids,WiFi Tablets Android 12 Toddler with. The edge retention of k390 steel and m390 steel is around the same in terms of quality. This material has the highest alloy content in the group of cold work tool steels with high vanadium content. Both knives are good for cutting whatever in the kitchen as well as objects that are too tough for knives. Carbides range from roughly 15 to 17 percent in both K390 and M390 knives, which is an excellent ratio for blades to remain sturdy for a long time. The toughness of M390 is more than K390 knives. MagnaCut vs M390. Maganacut is generally more affordable, while M390 is the better choice for those looking for superior performance. M4 is significantly tougher than m390 even at higher hardness. ZDP-189 vs Cowry-X. This is a comparison of the compositions of 4v, k390, k490, and 4e. It would come as inverse of edge retention. Sharpness K390 Knife. JonLeBlanc Member Posts 1756 Joined Sun May 13, 2018 200 pm Location Louisiana. K390 is a high-performance tool steel with outstanding wear resistance and edge retention, similar to Maxamet. Kids Tablet,10inch Tablet for Kids,WiFi Tablets Android 12 Toddler with. For some uses you might like M390, for other uses you might like 3V. s90v requires low maintenance and doesnt require frequent sharpness. I dont know if Id wait or pull the trigger on whats already out there. Jan 30, 2023 S35vn is a cheaper option than the M390. S45VN is all around better than m390. K390 definitely is not. Comparison of Properties. The only difference between the two steels is the silicon content (CPM-20CV 0. I grabbed it today and saw this. Ultimately, the decision should be made based on the users needs and budget. Both the blades are premium, and they have an almost similar rate of performance. 7 of Silicon Gives extra hardness to the steel, and keeps air bubbles from forming in the melting process. REX has come in between 65 and 67 pretty consistently, K390 has been a bit disappointing at 63 to 64 , and 4V has tested at 62. k390 . Sleipner it should be equal to A8 though being around 4 times tougher than M390. M390 steel has excellent corrosion resistance, while k390 steels corrosion resistance levels are decent, but pale in comparison. Sep 10, 2021 Sep 9, 2021. Quick Summary Of The Differences. When it comes to the best steels for knives, Magnacut and M390 are always right there on the list. An abrasive green scrubbing pad and bar keepers friend should do the trick. N690 is also stainless, it is basically 440c with some molybdenum and cobalt. M390 is like an upgraded S30V. So in theory if M390 will be heat treated by Buck it may performs. Re So what can you tell me about S45VN Post by JacksonKnives &187; Thu Jan 16, 2020 900 am. ST035High performance steels produced by powder metallurgy methods, 1. The PM2 is a true jack of all trades, but still a master of some. Vanadis 8 has slightly less carbide volume vs the other two, and is perhaps a bit finer. Is an NVMe SSD. Basically same ingredients just higher percents. The only difference between the two is their levels of silicone. Top four in rotation K390 GCM PM2, ZCarta Shaman, Crucarta PM2, K390 GCM Straight Spine Stretch. M390 is so wear and tear resistant it also properly maintains the shape of the edge. The main differences between the two are price, edge retention, and ease of sharpening. I also have to say, the action is a little better on this knife, the blade of the K390 feels "heavier" when closing it. It is known for its exceptional wear resistance and edge retention, making it an excellent choice for heavy-duty cutting tasks. ZDP-189 vs Cowry-X. K390 VS M390 Conclusion Reach your true potential Reach your true potential What is k390 Steel K390 (Bohler-Uddeholm) is a High-end Cold work tool steel, made by Bohler, high in Vanadium which makes it very tough steel with great wear resistance used in the knife industry (high-end and premium knives), cutting tools and cold forming operations. After two months with K390 Endura I must say, I love the steel. The main differences between the two are price, edge retention, and ease of sharpening. Here you go. Our Price 219. Pros Exceptional wear resistance Good corrosion resistance. K390 and M390 share about the same toughness. K390 Urban - 62. Both CPM M4 and M390 are high-performance steels, but they cater to different requirements. I live in Phoenix, dry and hot. ago M390 is the probably the best stainless steel all around. The main difference between these two steels is the production process. I find in my own personal experience that s90v is both tougher and holds and edge far longer than 20CV. When k390 is sharpened and the apex of the edge is well shaped, the edge grabs your skin and feels crisp. S45VN achieved 11 ft-lbs. As a 3. Z-max has less C, Cr, Co, W, and V than Maxamet. Theres plenty of great steel to choose from until then, like Elmax, S45VN, 3V, M390, S125V, 10V, 4V, K390, maxamet. Carbides range from roughly 15 to 17 percent in both K390 and M390 knives, which is an excellent ratio for blades to remain sturdy for a long time. I am highly impressed with CPM-20CV (Spyderco Mule), too. Nov 8, 2020. It will just effortlessly drop shut, even when the blade is pointed directly upwards. Kids Tablet,10inch Tablet for Kids,WiFi Tablets Android 12 Toddler with. That says something about its edge retention I have not heard one bad thing about spyderco m390, and i like the blue g10 better then the bright orange g10. Based on what we&39;ve seen with the hardnesses on these 3 in the PM2, it should be REX45 and it wouldn&39;t really be that close if we&39;re talking edge retention. It isn't like any single steel is perfect for every application. Each of these steels is a little bit different, except. K390 still has a higher HRC, however, and it has a higher Vanadium percentage in its composition. M390 approximately 8 ft-lbs. It has a claimed wet weight of 379 lb. K390 Steel Whats Better for Your Knife How to Find an Ant Nest in Your House 7 Tips Peppers Home and Garden is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon. No experience with super gold. If you have an M390 steel knife, you will find it sharper and longer than the Elmax with minimal maintenance. Below I have a micrograph of Vanadis 8 in comparison with CPM-10V and Bohler K390, the other two steels which are the main alternatives. The M390 and CPM 20CV are almost the same steel with minor differences. Both M390 and S90V offer an equal level of edge retention. For a slicer I would prefer M390, for a hard user S35VN due to the higher toughness. Usually BM show worse results then Buck - Buck has better heat treatment then many. The reason I ask is because they are actually the same steel produced by two different companies under two different names. K390 holds an edge better, M4 should be tougher. The only difference between the two steels is the silicon content (CPM-20CV 0. Here is comparison video of a Delica in both steels that you might enjoy. The main differences between the two are price, edge retention, and ease of sharpening. In terms of edge retention, HAP40SUS410 beats VG10 by a considerable margin as HAP40 is exhibit high hardness with excellent edge retention. I do think I like K390 better than the rest of the bunch though. This means you don&39;t have to sharpen your knife as often. May 11, 2017. Having watched BigBrownBear's testing of edge stability of M4 vs. Spyderco Delica showdown, M390 vs ZDP-189 edge retention testing. The statement from Microtech said that M390MK would have, better edge retention, corrosion resistance, and polishing. Applications of maganacut vs. This steel is primarily used to make high-end custom knives. Magnacut, on the other hand, has a fantastic balance of toughness, hardness, and edge retention. Remember these are approximations and even things like the heat treat temp. When using CBN or diamond sharpening stones this difference is removed and how difficult it is to grind away material is then roughly proportional to the edge retention of each steel (higher edge retention means. Overview of m390 and k390 steel. 5 nickites 4 yr. 5) Compared to S30v (10. Top 5 steels Ive owned LC200N, K390, CPM S90V, M390, CPM REX45. This steel is mostly seen in high-end knives. Re K390. They may have some criteria in mind that the s45 fulfills better. 5) chromium carbides and (4) Vanadium Carbides. M390 approximately 8 ft-lbs. M390 will sharpen up to a fine edge more easily and keep it for a long time. M4 vs M390. JonLeBlanc Member Posts 1756 Joined Sun May 13, 2018 200 pm Location Louisiana. However, the datasheet has an asterisk next to the 143 value and says that it is based upon market feedback. Both S90V and M390 are considered premium steel. However, when it comes to keeping a sharp edge for a long time, M390 is slightly better than MagnaCut. K390 had more push cutting at 300 cuts over 15V but the sharpness actually drops faster than 15V. When compared to 52100, a classic high carbon steel, M390 is far more corrosion-resistant and has better edge retention. So the steel will eventually have full availability through steel suppliers and to knife companies. M390 is mostly chromium carbide (17. Steel Laminated K390 -64hrc. Full Seki lineup in K390 please) Preferably FRN (rather than G10 like the P4) so I can afford to buy the entire series. Aug 20, 2018 K390 definitely is not. Feb 15, 2018. M390 the same corrosion resistance, toughness and higher edge retention compared to the K390. Apr 10, 2018 HAP40 will give you a bit more toughness and sharpenability, though K390 has been fine in both those regards too, for me. VG-10 is easy to sharpen but is chippy and doesnt hold an edge for nearly as long as m39020cv204p. It will just effortlessly drop shut, even when the blade is pointed directly upwards. Sleipner it should be equal to A8 though being around 4 times tougher than M390. The stainless steel classification means that M390 has a higher chromium content in the alloy. In addition to this, they have different. K390 Hardness. 07), and that they are produced by different steel makers. REX has come in between 65 and 67 pretty consistently, K390 has been a bit disappointing at 63 to 64 , and 4V has tested at 62. Edge Retention. Vanadis 4E steel is great knife steel that offers a more. Bohler M398 is an improvement of M390; therefore, we expect it to offer better performance. ) Bob Kramer . Ease of sharpening. To some extent also vs K390. This is a pretty decent corrosion resistance, similar to Elmax (7. MSRP 350. ;-) I'm happiest with Micarta and Tool Steel. The higher carbide volume enables K390 steel to achieve better wear resistance and edge retention than Vanadis 8 steel. The S30V is softer than the M390. Sleipner it should be equal to A8 though being around 4 times tougher than M390. Both K390 steel and M390 steel are developed by the same company, but M390 steel offers outstanding corrosion resistance and wear resistance compared to K390 steel. When choosing between M390 steel and S30V steel, you must consider all. It should be great steel. Vanadis 8 has slightly less carbide volume vs the other two, and is perhaps a bit finer. BW141Grinding for toolmaking. While S45VN is also a high-quality steel. S45VN is all around better than m390. I cannot make a direct comparison between M390 and VG10 in regards to corrosion but M390 is very stainless. M390 is so wear and tear resistant it also properly maintains the shape of the edge. 10V steel beats K390 on edge retention by a small margin but they both offer poor corrosion. K390 Urban - 62. The statement from Microtech said that M390MK would have, better edge retention, corrosion resistance, and polishing. Its skeletenoized full tang supports tough fiberglass-reinforced nylon (FRN) scales injection molded in the distinctive blue color of Spyderco's K390 family of knives. K390 knives are semi-stainless, and M390 knives are totally stainless. Steel Laminated K390 -64hrc. Aug 5, 2023 CPM Cruwear offers excellent wear resistance and toughness, making it a great choice for knives. K390 - BOHLER K390 MICROCLEAN No&237;sk&233; oceli - ocele Nab&237;dka kvalitn&237;ch znakov&253;ch no. In contrast, MAGNACUT, with a Rockwell hardness (HRC) of 60-62, offers comparable hardness to M390. You can probably find comparisons of 4V vs 20CV more easily. - (60. Elements in steel; As is being already mentioned, the main material steel is made of a composition of different elements. com2fk390-vs-m390-which-is-better2fRK2RSndjNHgeD95SZCZPDUaJ0TzhRIVI- referrerpolicyorigin targetblankSee full list on knifebasics. M390 - 3,5 out of 10 S45VN - 4,5 out of 10 Measured as lateral force pressure. It&39;s on a lot of models in the catalog. Joined Sun Sep 01, 2013 326 am. I find K390 tough enough, in my uses, where I haven&x27;t needed or. Benchmades 581 Barrage is an affordable example of M390 performing at its best. The structure of the metal on a metallurgical level, or the microstructure, has more. M390 approximately 8 ft-lbs. But, I am impressed with the K390. Both are very good. As others have said though, 20CV should be better for holding an edge in more normallight cutting. It would come as inverse of edge retention. Spyderco Delica M390 vs ZDP-189 edge retention testing. Both S90V and M390 are considered premium steel. Our Price 219. I test the factory edge on cruwear and k390, and sharpen. Rex45 is not going to outlast k390 at comparable hardnesses. K390 is a high-performance tool steel with outstanding wear resistance and edge retention, similar to Maxamet. If I had to guess, the M390 version would be more desirable in the long term. For the 2023 holiday season, eligible items purchased between November 1 and December 31, 2023 can be returned until January 31, 2024. It has a claimed wet weight of 379 lb. Two of the most popular steels for high-end knives are Maganacut and M390. Like all steel, however, M390 has its downsides. A detailed discussion of the differences will help you. I find K390 tough enough, in my uses, where I haven&39;t needed or. As an extension of our Guide to the Best Knife Steel, weve compiled the reference table below showing the most popular types of knife steel and their composition of the various elements. PDF, 1. The edge retention of k390 steel and m390 steel is around the same in terms of quality. We have more comparisons between 4V and Vanadis 4 Extra coming, the only comparable test done so far were transverse toughness tests of both. Oct 30, 2021. Neither will disappoint with edge retention or edge stability. When it comes to the best steels for knives, Magnacut and M390 are always right there on the list. The composition of a knife steel plays a crucial role in determining its performance characteristics. And also the edge holding of m390 on some knives was practically the same, as I experienced with MagnaCut especially fixed blades by TRC Knives, their heat treating is spectacular). comlistingbrickard-heritage-collectionGood gravy its bricky on thingsSubscribe and hit the bell Hit like and all t. SPYDERCO STRETCH 2 LIGHTWEIGHT K390 STEEL REVIEW & TESTING. Bohler M390 steel is produced to offer exceptional wear resistance and edge retention while still maintaining high corrosion resistance. blade-108 mm, high convex grind , handle-117 mm. S90V has about 21 carbide volume vs about 17 for K390, per Knife Steel Nerds. pizzeria for sale port st lucie, airstream los angeles

K390 is more wear resistant and chip resistant than VG-10 by a pretty good amount, in my usage it isn't a brittle or chippy steel at all. . M390 vs k390

Thank you to Mike for sending this along for me to test. . M390 vs k390 omori memes

Noe s pevn&253;m ost&237;m, zav&237;rac&237; noe,. S35vn is tougher than the M390. Could be the heat treat andor blade geometry makes the difference. M390 has 0. If future toughness testing confirms superior properties of K390 or Vanadis 8 I may change my recommendation. 10V has received a lot of hype ever since its release in the Spyderco Paramilitary 2 platform from River&39;s Edge Cutlery. Very, very tough with great edge stability. M390 has a total of about 22 carbide, split between chromium and vanadium, with approximately 19 chromium carbide and about 3 vanadium carbide. My k390, rex 45, and m4 knives give me the best performance and sharpening experience, and Im happy to accept they might not look like they just came out of the box. K390 knives are semi-stainless, and M390 knives are totally stainless. M390 offers excellent corrosion resistance and holds its sharpness slightly longer than Elmax. IMO, M390 is better at everything than ZDP189, at least in practical use, since I've never tried to cut a half mile of dirty cardboard before D. However, M398 does have some positive traits, such as increased hardness and reduced retained austenite relative to M390. Top four in rotation K390 GCM PM2, ZCarta Shaman, Crucarta PM2, K390 GCM Straight Spine Stretch. ZDP-189 vs Cowry-X. To ensure ease of carry and immediate access, this Enuff 2 includes an injection-molded polymer sheath that provides both snap-fit retention and a secondary leather retaining. Table of Contents What are the Differences Between M390 and K390 Steel M390 and K390 are steel alloys with very different compositions. As such a knife made from M390 steel will retain its sharpness for a very long time. This is another fair matchup, as the M390 is also part of the ultra-premium category. That is to say m39020cv chip more easily when sharpened the same as s30v. 5 HRC Cruwear Military - 61. When choosing between M390 steel and S30V steel, you must consider all. IMO, the M390 with the much greater chromium content will be much more stain resistant. Advantages Extremely high wear resistance and corrosion resistance. Basically Vanadis will be tougher, less corrosion resistant. K390 has slightly better edge retention than M4 with 524 TRC, but it is more difficult to sharpen (closer to a 2 like M390). I&39;m guessing with my blades, maxamet generally has 2x the edge retention of k390. K390 and S110V are highly wear resistant and thus perhaps more likely to suffer damage from "accidental abuse" like an unintended twist or hitting a staple or wire. When comparing K390 to Vanadis 8 and CPM-10V it is important to note the dotted. M390 has only slightly lower toughness than K390 with similar carbide volume (though K390 was tested at 62 Rc). I'm also waiting for a PM2Manix in M4, I deeply regret not getting on board with the last run. Are you looking for a fixed blade or folder. At least performs same on edge holding test on manila rope. Both S90V and M390 are considered premium steel. S30V, VG10, M4, XHP, BD1, Cruwear, Elmax, Maxamet, 204P, H1, K390, A11, Rex45, LC200N, M390, 20CV, BD1N, S45VN waiting to afford MagnaCut. The thread is on Blade Forums in the Testing forum. Bohler-Uddeholm K390 is a cold work tool steel, and it is one of the best performers out there, especially when cutting abrasive. both are too low (imho) for now, cpm-m4. LionSteel Myto Flipper Frame Lock Knife Gray Titanium (3. blade-108 mm, high convex grind , handle-117 mm. K390 (not to be confused with M390) is a non stainless steel, thats much higher in carbon than that of the base model, translating to a very significant increase in two high ranking steel attributes edge retention and edge. Both S90V and M390 are considered premium steel. I know you value corrosion resistance highly and I would recommend M390 to you. Mar 17, 2023 When it comes to the best steels for knives, Magnacut and M390 are always right there on the list. So in theory if M390 will be heat treated by Buck it may performs. Postby Doc Dan Wed Apr 12, 2017 540 am. M390 is exceptionally sharp and harder than Magnacut. When the M390 was at the same hardness as S30V, M390 cut more. 5) and less volume of the more effective Vanadium carbide (2. Be aware that Radeon R9 390 is a desktop card while Radeon R9 M390 is a notebook one. See which style you like and pick it, either of the steels will perform well for you I think. S45VN achieved 11 ft-lbs. . Both 10V and K390 offer almost the same level of hardness despite their composition being completely different. I'm happiest with Micarta and Tool Steel. Only thing m390 does better is edge retention and it's not by a large margin. BTW, S110V doesnt like lateral stress, it doesnt take much to chip it if youre not being careful. Lo mismo ocurre con el B&246;hler M390. Knife Exchange FEEDBACK The Good, The Bad, The Ugly Hall of FameHall of Shame For Sale by DealersFor Sale Production Knives (Dealer)For Sale Custom & Semi Production Knives (Dealer)For Sale Gadgets & Gear (Dealer). But it only has 4. CoS M2 M390 MagnaCut Maxamet MOVA-58 (MV 58) M-VX N690 Nitro-V. but alas they are both stainless and should be reasonable. May 30, 2023 Regarding m390 vs k390, both are excellent knife steels with unique properties and benefits. K390 steel is being added as a stock, non-sprint, non-exclusive steel option as far as I know. As a result, Cruwear steel is harder, tougher, and easy to sharpen. Many of these same companies also hot roll and anneal the steel and perhaps cold roll it. - (60. When compared, K390 has much better edge retention than M390 steel. S110v is more corrosion resistant than any regular stainless steel from what I have read. Being able to experience different steels in the same knife, with same ergonomics and blade geometries, allows one to better experience the differences and similarities of various steels. For that knife, I would 100 get the m390. M390 is also very corrosion resistant as well. Its blade length to handle ratio is spot on, with a 3. When the M390 was at the same hardness as S30V, M390 cut more. Short answer, it is the European equivalent of 10vA11. Aug 23, 2019 In the most simple terms, Rex45 is tougher and K390 will hold an edge longer. Which one do you think is going to take the win I'll cover factory as delivered testing, first sharpeni. This steel is a third generation high-end powdered steel, boasting a wear resistance of up to 63 HRC (Rockwell Hardness Scale). REX has come in between 65 and 67 pretty consistently, K390 has been a bit disappointing at 63 to 64 , and 4V has tested at 62. A detailed discussion of the differences will help you. Re ZDP-189 vs. Postby freebird610 &187; Tue Mar 07, 2017 228 am. 03; M-390 0. To start, the K390 Urban is first non stainless steel. Textured Guardian 3 - M390 Steel. S110V is closely related to CPM S125V. K390 and S110V are highly wear resistant and thus perhaps more likely to suffer damage from "accidental abuse" like an unintended twist or hitting a staple or wire. However, the datasheet has an asterisk next to the 143 value and says that it is based upon market feedback. They are both great, and they couldn&39;t be more "different". However, if youre looking for a blade that will retain its edge for a long time and is easy to sharpen, then k390 may be the better option. This makes it a very tough steel that is also highly corrosion resistant. Vanadis 8 and K390 have different compositions but have almost the same hardness level. Both M390 and S90V offer an equal level of edge retention. com Spyderco Endura 4 Lightweight Knife with K390 Premium Steel Blade and Blue Durbale FRN Handle - PlainEdge - C10FPK390 Sports & Outdoors. PM2s in M390 were dealer exclusives only, so market dictates their prices. All members of the Endura 4 family include a four-position clip, a high-strength back lock mechanism, and Trademark Round Hole. K390 Steel and Heat Treating Background. Rex45 is a higher cobalt M4. K390 Heat Treat Information Preheat 1,500-1,550F, equalize. - (60. - (60. Feb 2, 2014 The sanitizer managed to rust the hell out of my M390, s30v etc. K390, Vanadis 8, and CPM-10V are all in the upper echelons for wear resistance and slicing edge retention. You will have a hard time getting as keen of an edge on s90v but it will keep cutting for longer. I find K390 tough enough, in my uses, where I haven&39;t needed or. Non-stainless powder metallurgy steels like CPM-4V, CPM-3V, and Vanadis 8 have smaller vanadium carbides only which give them a. When using CBN or diamond sharpening stones this difference is removed and how difficult it is to grind away material is then roughly proportional to the edge retention of each steel (higher edge retention means. Unless you are using it in a particularly harsh environment, like coastalsalt or high humidity etc, you will probably never see any corrosion on. The Endela is a slimmer knife - it will probably take up a bit less pocket space. M390 - 9 out of 10 S45VN - 8,5 out of 10 As measured by Larrin himself. K390 Hardness. M390 offers excellent corrosion resistance and holds its sharpness slightly longer than Elmax. The thread is on Blade Forums in the Testing forum. 5 HRC Cruwear Military - 61. Nov 28, 2017 Nov 28, 2017. In the early 1900s, high carbon-high chromium steels were developed, and during World War I in England they were used as an alternative to high speed steels with high tungsten content. 7 HRC XHP Para 3 - 61. May 20, 2019 If future toughness testing confirms superior properties of K390 or Vanadis 8 I may change my recommendation. Unless you are using it in a particularly harsh environment, like coastalsalt or high humidity etc, you will probably never see any corrosion on. In conclusion, CPM S45VN steel blades offer slightly better toughness than M390 steel blades and are easier to sharpen. Only thing m390 does better is edge retention and it's not by a large margin. PD1 CPM Cru-wear. This is the replacement Delica from my warra. Corrosion resistance. This is a comparison of the compositions of 4v, k390, k490, and 4e. Compared to CPM M4, K390 offers better edge retention but slightly lower toughness. Last edited Aug 26, 2022. The only difference between the two is their levels of silicone. M390 - 3,5 out of 10 S45VN - 4,5 out of 10 Measured as lateral force pressure. Personally I&39;m finding K390 to be pretty hard to beat though. The K390 is Bohler Uddenholms carbon-steel. The burr comes off and leaves a very high level of keenness. 00 C257GP Spyderco Plain Edge M390 Black G-10 Pattadese. . blizzconline youtube