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K390 vs cruwear?
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K390 vs cruwear?
K390 is slightly harder and more wear-resistant than M390, but the difference is not significant. S30v and s45vn are pretty similar (as far as usability goes) Maybe try out a stretch 2 K390 if you're user oriented. They are considered harder to sharpen compared to softer steels. M390 has only slightly lower toughness. K390 vs Maxamet. This comparison conveys that Maxamet goes for extreme edge retention while sacrificing properties in other areas; while the S110V steel aims for consistency in all areas. It is hailed as one of the top blade steels available due to its exceptional performance. Z-Wear (CPM Cru-Wear) showed very good toughness up to relatively high hardness. S110V steel has the potential for significantly higher hardness than S30V steel. And that doesn't even account for special protocols like Delta 3V. SPY27 has similar obtainable hardness to S35VN and similar corrosion resistance to S30V. While VG-10 is not particularly difficult to sharpen, its high hardness requires a bit more skill and patience. Find out if it is good steel for your knife! Cruwear is a superb steel with almost perfect balance of properties. It offers better wear resistance, greater toughness, and higher attainable hardness. Aug 3, 2020 · K390, however, has a very similar looking microstructure to 10V. Granted, I reduced the edge angle by a degree or two on the K390 Police vs keeping the factory angle on the S110V Military, so there was necessarily going to be a little more grinding involved. Micro clean M390 knife steel is refined to offer high wear resistance. It is not stainless on paper but I have found that it resists staining quite well. 34 posts Previous; 1; 2; paladin Member Posts: 1934 Joined: Sun Feb 27, 2011 11:51 pm Location: Hotel Carlton-San Francisco. Jul 28, 2011 · The Cruware is a wear resistant steel. Search Advanced search. crackah77 The burr comes off and leaves a very high level of keenness. Part-Time Money® Make extra money in y. K390 is slightly harder and more wear-resistant than M390, but the difference is not significant. But, what if you had a 4V like product (toughness/edge retention) with similar corrosion resistance to M390 that could also be ground and sharpened like a tool steel. It's often a head-scratcher deciding between the two for knife selection, given their similarities. S30V steel is a more popular name in the knife industry than M4. Cruwear has better edge retention than D2, but as D2 already has sufficient. M390 would be fantastic but i don't think that's been made yet. They introduced the world to pocket clips on knives, one-hand-opening, and the unmistakable "Spydie Hole". Of course they catch patina quickly and are a little high maintenance. Elmax and M390 are siblings, but they are different in many ways. A list of the best passive income ideas for you. K390 is the closest to A11, 10v or K294. 5 billion years to evolve any organism that grows larger than a. Mar 6, 2024 · CPM CruWear exhibits significantly higher toughness compared to M390 steel. ZDP 189 is almost a stainless steel in comparison. Have questions about the Capital One Venture X card? Check out the definitive answers to a host of FAQs about the Capital One Venture X card! We may be compensated when you click o. M390 is exceptionally sharp and harder than Magnacut. it does hold a long lasting edge. It's a steel that likes to be sharpened and used, and won't chip at the edge easily. Conclusion Magnacut vs Cruwear Well, I used neither Cruwear nor K390 for as long as that MagnaCut. K390 has been very corrosion prone for me. Search Advanced search. The Donald Trump administration’s decision to suspend several immigrant work visas this year will only make the US less desirable for international students Traveling in Africa is easier for Americans and Europeans than it is for Africans. The PM2 is a true jack of all trades, but still a master of some. it does hold a long lasting edge. Rex 86 is the same as Z-Max. On the other hand, information on M390 indicates that it has. Best at 17 to 20 degree edges IMO. A water cannon can squelch a roaring apartment fire or even stop a prison riot. it does hold a long lasting edge. MagnaCut offers a significant advantage in edge retention, making it ideal for users who want maximum sharpness for the longest possible time before needing a. So I just got a maxamet PM2 but haven't had a chance to use it much Discuss Spyderco's products and history Search Advanced search 4V and Cruwear have a good balance of toughness and edge retention, but not as much corrosion resistance compared to M390. The toughness testing data from Crucible shows that at around 60 HRC hardness, CPM Cru-Wear achieved impact toughness values in the range of 60 ft-lbs, which is exceptionally high for a high-alloy tool steel. The Spyderco Dragonfly 2 is a second-generation knife that has undergone some stellar improvements thanks to the CI. And I have a wide variety of options - maxamet, cruwear, M390, M4, CTS-XHP, REX45, etc. 8,205 #3. Both however sharpen very easily on Spyderco 302 benchstones. MagnaCut is also significantly more corrosion resistant. And some choices were somewhat of a tossup or at the very least have a roughly equivalent alternative. The Earth is split up into 24 time zones based on longitudinal lines. CPM M4 vs CruWear Steel Comparison Table. Rex 86 is the same as Z-Max. Spyderco Endela Lockback Knife Emerson Opener Gray FRN (3 MSRP: $147 Our Price: $110 (1) Add to Cart If you are looking for a knife that fits between the Delica and the Endura, the Spyderco Enedela is here for you! Shop the Endela at Blade HQ. Cruwear has around 60 more total cards cut according to Larrin, so it gets my vote over 3V. S90V is the closest stainless steel to K390 that I am aware of. 15V is chipping where CruWear wouldn't (obviously) Cruwear for the winnnnn😎. SPY27 has similar obtainable hardness to S35VN and similar corrosion resistance to S30V. This means that it is about time to see what knife steels are coming next. Sharpens to a absolutely blazing edge and strength/retention for days. Two of my big users. - M390, on the other hand, is a powder metallurgy stainless steel made by Bohler. Higher hardness levels up to around 64-65 HRC. it does hold a long lasting edge. Then again, if you don't like Infi, chances are you don't like any of of these steels. Jun 17, 2024 · 5/10. CPM Cruwear is about halfway in between. I swear my seki k390 sharpens just as quickly as my pm2 crucarta but the k390 stays sharp way longer in actual use. Cruwear <> K390. But overall, both sheets of steel are best for high-quality knife making. You open the app to check what’s new on Facebook. Both MagnaCut and CruWear offer the same level of edge retention. The lil native is much stronger and more capable than a dragonfly but the cutting edge is pretty much identical. Discuss Spyderco's products and history. Granted, I reduced the edge angle by a degree or two on the K390 Police vs keeping the factory angle on the S110V Military, so there was necessarily going to be a little more grinding involved. Earn big at IHG hotels with bonus earnings at gas stations, grocery stores, and restaurants. I see more edge retention and edge stability in Cruwear vs XHP at 15 dps edge. Some YouTube videos show nail chop without the blade chipping or rolling. It has indeed stretched the limits of what I would define as patina. 102 posts Previous; 1; 2; 3; 4; 5; 6; Next Cruwear was a sprint run. Even Crucible CPM-4V which is nearly identical to Vanadis 4 Extra has higher Si (04%) and if anything it has tested higher for toughness than Vanadis 4 Extra. Favorites: 10V, s90v. my synchrony payment I've never understood the Cruwear hype in small folding Knives! S30V has been more then adequate for my EDC purposes, Though K390 and M4 would be my pick on a PM2. S90v for me magnacut is probably the most balanced steel but I've never tried it I love s90v and some other stainless super steels for edc. Search Advanced search. Aug 7, 2021 · CPM Cruwear is about halfway in between. Jul 13, 2023 · CPM CRUWEAR vs S30V – Complete Comparison Hardness. Summer has lost its spark, and after twenty months of COVID-19 lockdo. Charted. Well there is also a Mule in Micro Melt PD#1, which is pretty much the same as CPM Cruwear. C223GPRGR: Spyderco Plain Edge K390 Ranger Green G-10 Para 3 Bento Box Shop Exclusive : $244. 88 with free shipping - Spyderco Stretch 2XL Folding Knife 3. As mentioned earlier, CruWear steel is most commonly used for making knives and cutting tools. However, this steel alloy's toughness and wear resistance make it ideal for making shear blades, blanking dies, and thread-rolling dies. I will live with it as it should wear in. Most people don't push their knives to the extremes to appreciate the tougher steels, but most of us can detect a difference in edgeholding. Although that is a no brainer. It will rust fairly easily if it is not looked after, but will retain a stainless appearance if careful. With the same, strong compression lock, the Para 3 is a reliable EDC knife with a light weight (3 Choose between non-serrated and serrated versions, different types of steel (S35VN, S110V, S45VN, etc), and G10, FRN, FRCP. Overview. The toughness testing data from Crucible shows that at around 60 HRC hardness, CPM Cru-Wear achieved impact toughness values in the range of 60 ft-lbs, which is exceptionally high for a high-alloy tool steel. CruWear is tougher, but that's not really the attraction of CruWear to me. Cruwear: Very tough steel that is easy to get a screaming edge and has good edge retention. Well there is also a Mule in Micro Melt PD#1, which is pretty much the same as CPM Cruwear. Nov 25, 2023 · Both steels offer excellent performance, but CruWear typically provides better wear resistance and toughness than S35VN. VG 10 remains a good all around steel but it won't keep up with the K390 in slicing stuff. chautauqua county jail An update on the Cruwear carry #knife #americanmade #usamade #spyderco #steel #pm2 #cruwear #CRUWEAR #micarta #crucarta #newrelease I'd agree with the following comments: 1) Cruwear doesn't make obsolete S35VN because the S35VN is a stainless steel and it becomes very apparent in a wet environment. While it might not be as hard as CRUWEAR, it. #edc #edcgear #tools #pocketknife #knife #steel #knifel. CPM s90v Sharpness: the better steel can hold an edge, the harder to sharpen it, the s90v is very hard steel, so sharpening or grinding won't be an easy task. Post by ferider » Sun Sep 09, 2018 2:48 pm. As mentioned earlier, CruWear steel is most commonly used for making knives and cutting tools. rex121 is the king of steel, but nature's teeth have been cutting for hundreds of millions of years and counting :cool: JMM Posts: 1489. This is actually a pretty interesting one. However, it is also one of the most expensive steels, with prices ranging from $6-20 per pound. The ergo took some getting used to, coming from smaller folders from Benchmade, Kizer, and Civivi. M390 is so good that it is often compared to steels such as S110V, which is considered to be the most edge-retentive steel out there. BU states K390 J notch is about 45 joules. I use diamond abrasives. Re: Help needed in steel choice: PM2 CruWear vs Rex 45 vs Maxamet. If heat treated properly they should both be around 63 - 64hrc The Magancut vs. CPM CruWear exhibits significantly higher toughness compared to M390 steel. In comparison, K390 steel only has 4. Therefore, CPM CruWear is considered a good knife steel. It will rust fairly easily if it is not looked after, but will retain a stainless appearance if careful. Both of these steels offer a great balance between edge retention and toughness, and they both have excellent corrosion resistance. I've never understood the Cruwear hype in small folding Knives! S30V has been more then adequate for my EDC purposes, Though K390 and M4 would be my pick on a PM2. dopamine antagonist drugs used for Oct 10, 2015 · K390 works better for my practical use, but there's nothing in production like maxamet, it's in a class by itself. Even if it looks like you’ve got a snowball’s chance in hell No matter your motivation, it's important to be wise when investing your money. K390 has been very corrosion prone for me. I have both steels and prefer the K390. Discuss Spyderco's products and history. Hope that helps, check out big brown bear on you tube on k390, he really lays it out. Like all steel, however, M390 has its downsides. Cruwear: Very tough steel that is easy to get a screaming edge and has good edge retention. My experience with Cruwear has proven to be a higher grade of performance compared to XHP (at least in Spyderco knives). K390 is not too terrible to sharpen. Jul 24, 2023 · Battle of the tool steels Cruwear and K390 both are great steels but only one has what it takes to win. When heads of state from across Africa arrive in Kigali, Rwanda next month for the African Union. ELMAX is also slightly difficult to sharpen due to its high wear resistance, but it is considered easier to sharpen than M390 and retains its edge well. These winter getaways are all accessible from the US-- and they're perfect for a romantic trip with a partner. The PM2 comes with micarta, which is cool, and Cruwear is arguably a more well-rounded EDC steel - definitely tougher, and more stainless. Apr 19, 2021 · Cruwear and 3V are one direction with high toughness, K390 is the other way with high edgeholding.
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i've got a good diamond stone, i can fix dulled edges. We have used hundreds of knives with many different steels. Honorable mention: 14c28n, AUS8. Location: Pacific Northwest, USA, Earth. CruWear is tougher, but that's not really the attraction of CruWear to me. But overall, both sheets of steel are best for high-quality knife making. Cruwear Sharpness: “The harder the knife, the harder to sharpen it”, magically this rule doesn’t apply on our Cruwear, it’s easy to sharpen compared to other steel with the same/close hardness. However S110V is stainless so they are both good options depending on what you want Sep 1, 2017 · M4 is more wear resistant and holds an edge longer and takes a little longer to sharpen. According to psychologist and eating-behavior expert Dr. Aug 7, 2021 · CPM Cruwear is about halfway in between. See if the IHG Premier Card makes sense for you. If you want a well-rounded steel, CruWear is the better choice. This comparison conveys that Maxamet goes for extreme edge retention while sacrificing properties in other areas; while the S110V steel aims for consistency in all areas. These are all 5 test average hardness scores. Welcome to REVIEWS RIGHT NOW by KIMO365 Products Review Page Upload your video. Product Description. r1a yp270 We have used hundreds of knives with many different steels. The ergo took some getting used to, coming from smaller folders from Benchmade, Kizer, and Civivi. M4 is definitely not stainless and needs a bit more care than Cruwear. K390 is a very wear resistant steel and should fall into a similar performance class as S110V but composition wise the S110V has a lot more in it and it is stainless. 20CV will have excellent corrosion resistance but could chip easier and you will need to sharpen it a little more often. Here is the short answer: S110V, when compared to M390, is going to have better corrosion resistance and better edge retention. Joined: Thu Sep 05, 2019 2:39 am. Then again, if you don't like Infi, chances are you don't like any of of these steels. 5/10. M390 is so good that it is often compared to steels such as S110V, which is considered to be the most edge-retentive steel out there. K390 will patina over time almost always. In my limited experience K390 (by Spyderco) is just as good (or even better) at both keeping a sharp edge and toughness. Sharpenability seems to be very similar imo, yet edge holding and apex strength is far in k390's favor. Knife enthusiasts and professionals alike understand the importance of selecting the right steel for their blades. If you want something a bit less extreme, K390 is an excellent option, and much easier to obtain than 15V. data nugget M390 has a high amount of Chromium than Magnacut steels, which makes M390 exceptional. Apr 11, 2023 · K390, Vanadis 8, and CPM-10V are all in the upper echelons for wear resistance and slicing edge retention. SPY27 has similar obtainable hardness to S35VN and similar corrosion resistance to S30V. Some you have already vi. K390 is as tough as a folder needs to be. TPG loves hearing from writers who are expert travelers, whether they have extensive experience in using points and miles or in certain destinations or TPG loves hearing from write. That in the initial run of these steels in other models they were made at a higher hardness. I've found 15V to be quite pleasant to sharpen, but I am used to sharpening steels like K390, Maxamet, and S110V. CPM CruWear exhibits significantly higher toughness compared to M390 steel. However, it is also one of the most expensive steels, with prices ranging from $6-20 per pound. ZDP-189 has better edge holding and more difficult to sharpen, better corrosion resistance. 1-Para 3 G10 M390 Red, Dice XHP, Lil Native Rex 45 comp, Manix 2 M390 G10 BR, PM2 M390 DLC BL, PM2 k390 RGreen, Cat BD1N, Dragonfly 2 k390 Saving for - Lil Native K390, D'allara 3, UTX-70 Instruments- Kimber EVO, SA Hellcat, SW Shield Plus 9 CruWear has all the attributes that I most appreciate in a knife steel. Vanax gives up some toughness and hardness vs MagnaCut for saltwater levels of corrosion resistance. M390 is exceptionally sharp and harder than Magnacut. Fit and finish - This knife was done very well. K390 has poor corrosion resistance and will patina quite quickly. M390 is exceptionally sharp and harder than Magnacut. Did one dominate the other or is it a draw? Can the harder Rex 45 beat the softer K390? All this leading up to more soon in this video. Cockroaches are ancient, radiation-resistant, disease-carrying pests. K390, I haven't sharpened it enough to rule out edge fatigue from the factory belt. I swear my seki k390 sharpens just as quickly as my pm2 crucarta but the k390 stays sharp way longer in actual use. Cruwear <> K390. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. 99 inch CPM-CruWear Satin Plain Blade, Gray G10 Handles at KnifeCenter. 2 on the way, Jonathan and Andrea Hildebrandt had to face an expensive reality. charmsukh ullu video It also can be heat treated at a lower temp So it is pretty much the same as the A11 grade but different in a few small details. Take the Para Military 2 with CPM CruWear steel and micarta scales, for instance. MagnaCut offers a significant advantage in edge retention, making it ideal for users who want maximum sharpness for the longest possible time before needing a. And I have a wide variety of options - maxamet, cruwear, M390, M4, CTS-XHP, REX45, etc. 8,205 #3. M390 steel is known for its excellent edge retention, which has been confirmed through various tests. K390 is as tough as a folder needs to be. CPM S30V and CPM Cru-Wear are both air-hardening tool steels that can achieve high Rockwell hardness levels, making them suitable for wear-resistant applications like knives, cutting tools and dies. Oct 25, 2023 · The other notable difference is that CruWear steel knives slightly outshine MagnaCut steel knives in toughness. ZDP 189 is almost a stainless steel in comparison. M390 is better in edge retention, wear resistance and corrosion resistance, while Elmax offers better toughness. K390 is much more wear resistant than Cruwear, though a bit less stainless and certainly not as tough. by Spyderfreek » Wed Feb 07, 2024 2:23 am. Cruwear: Very tough steel that is easy to get a screaming edge and has good edge retention. Not a stainless steel but with 7% chromium, it doesn't stain too easily. The carbides are somewhat larger than 10V because of the increase in carbide content. Cruwear 52100 & K390. Search Advanced search. K390 has poor corrosion resistance and will patina quite quickly. Cruwear is tough enough for folder tasks, but not for heavy fixed tasks. Substantially above D2, but below CPM M4. Micro clean M390 knife steel is refined to offer high wear resistance.
Both M390 and CPM 3V steel offer exceptional wear resistance, making them good choices for use in most knives. Testing shows that K390 steel has better toughness compared to VG10 steel, by about 15-20% on average. ZDP 189 is almost a stainless steel in comparison. 4V seems to be harder more consistently from Spyderco, so that may be your best bet if you're going that route. Rex45 versus K390 tool steel both of these are amazing high hardness tool steel but only one can win. Sharpenability seems to be very similar imo, yet edge holding and apex strength is far in k390's favor. Find out how a water cannon can generate such extraordinary force. dollar tree plus stores locations 88 » Thu Oct 03, 2019 12:59 am. See if the IHG Premier Card makes sense for you. I can't imagine I'll be able to pass on it. Well just a couple of thoughts on my new PM2 crucarta. As others have commented, yes K390 will patina and rust quite easily. S30V steel is a more popular name in the knife industry than M4. obituaries cleveland tn Re: GP knives Manix exclusive. Discuss Spyderco's products and history. Testing shows that K390 steel has better toughness compared to VG10 steel, by about 15-20% on average. Other than edge retention and corrosion resistance M390 and S110V are pretty similar. Wear resistance of S35VN is a little better. Having zero carbides at 57-58 hrc means ridiculously high edge stability to run stupidly low angles with 4V should be in the neighborhood as well, with a more wear/less toughness than CPM Cruwear balance. Magnacut knives tend to be a little bit cheaper than CPM CruWear knives, most Magnacut knives range between USD 150 to USD 200 while CPM CruWear are a bit more expensive ranging from USD 200 upwards as of Jan 2024. K390 is slightly harder and more wear-resistant than M390, but the difference is not significant. virgo daily horoscope astrotwins Re: Maxamet vs Cruwear. Expert Advice On Improvin. Hope that helps, check out big brown bear on you tube on k390, he really lays it out. These two high-end knife steels, both manufactured by Bohler-Uddeholm AG, are piquing the interest of knife enthusiasts globally due to their superior properties. if you would like to support the channel you can do so by messaging me using one of the platforms listed below! all donations will be used 100% for knives fo. Short answer, it is the European equivalent of 10v/A11. so here is my plea for more cruwear, in a dragonfly and brouwer and para 3s and lil native compression lock1681 -Para 3 G10 M390 Red, Dice XHP, Lil Native Rex 45 comp, Manix 2 M390 G10 BR, PM2 M390 DLC BL, PM2 k390 RGreen, Cat BD1N, Dragonfly 2 k390.
I see more edge retention and edge stability in Cruwear vs XHP at 15 dps edge. Most people don't push their knives to the extremes to appreciate the tougher steels, but most of us can detect a difference in edgeholding. 34 posts Previous; 1; 2; paladin Member Posts: 1934 Joined: Sun Feb 27, 2011 11:51 pm Location: Hotel Carlton-San Francisco. Jul 13, 2023 · CPM CRUWEAR vs S30V – Complete Comparison Hardness. ZDP-189 has better edge holding and more difficult to sharpen, better corrosion resistance. Top four in rotation: K390 + GCM PM2, ZCarta Shaman, Crucarta PM2, K390 + GCM Straight Spine Stretch. 102 posts Previous; 1; 2; 3; 4; 5; 6; Next Cruwear was a sprint run. K390 rusts very easily but can be flitzed clean easily enough For example I prefer CRUWEAR & VG-10 and HAP40 because of the following characteristics Sharpening response #2. Sep 24, 2004 · K390 is the closest to A11, 10v or K294. A lot of the tool steels seem to not really have this issue Definitely the cruwear if you have the option. The Endura does have a longer blade and handle (3. 8 ft-lbs at 60 HRC, while K390 was tested at 62-63 HRC and found to have toughness comparable to steels like S35VN, CPM-154. However, M390 stainless steel has an additional advantage in that it also has better edge retention than CPM 3V steel. I test the factory edge on cruwear and k390, and sharpen. CPM-M4/K390/Rex45 - 9|7|2|3 - 511 TRC. used riding lawn mowers in new jersey I can't imagine I'll be able to pass on it. Micarta scales - These were my only disappointment. BBB however made it apparent that there is a huge difference in strength between M4 and K390. LSS PGK is less well known right now just as 14/4 is less well known than 154cm, ATS 34, CPM 154, etc. The most balanced is CPM-MagnaCut which is in an area all by itself on the chart. All 3 are very similar in production heat treatments and geometries. 8 ft-lbs at 60 HRC, while K390 was tested at 62-63 HRC and found to have toughness comparable to steels like S35VN, CPM-154. Conclusion. 8 ft-lbs at 60 HRC, while K390 was tested at 62-63 HRC and found to have toughness comparable to steels like S35VN, CPM-154. Conclusion. Cruwear is dream to sharpen and in my estimation has edge retention on par with S30V. Cruwear is somewhere between 3V and M4 in terms of toughness and edge retention. CruWear isn’t a specialized steel, (e 15V or LC200N), but rather a truly great. However, M390 stainless steel has an additional advantage in that it also has better edge retention than CPM 3V steel. Jun 10, 2018 In order: Cruwear, S35VN, S110V. 55% compared to VG 10 steel’s 1 This carbon gives K390 higher hardness and wear resistance while enhancing its edge retention properties. Discuss Spyderco's products and history. Regular Cruwear is a little harder to predict. As you scroll down through new. Cruwear is great though but I prefer it on fixed blades. If you want better edge retention, Maxamet is the way to go. by ferider » Mon Feb 04, 2019 2:57 pm I have broken a blade, and so have others (check on BF). month to month rental near me Can be slightly chippy on thin edges though. Z-Wear (CPM Cru-Wear) showed very good toughness up to relatively high hardness. How on earth could fabric softener or borax kill them? Find out how in this article. We may be compensated when you click o. They introduced the world to pocket clips on knives, one-hand-opening, and the unmistakable "Spydie Hole". I recently played around with my DF2 in K390, accidentally swiped the blade across the neck of a olive oil glass bottle quite. I can't imagine I'll be able to pass on it. However, since SPY27 is a slight iteration of S35VN steel it offers slightly better edge retention than CTS BD1N. But K490 appears to be fairly well balanced -- kind of like M4 with a bit less wear resistance and quite a bit more toughness. Hardness, indicative of the steel’s resistance to wear and deformation, greatly influences the edge retention. Serrations really suit the Police 4. Currently testing: M398, D3, SLD-Magic. Still he wanted K390 Still Shaking my head till this day must be some kind of voodoo on that steel I never saw it perform any better than S30V for that matter. Expert Advice On Improving Your Home All Pr. CPM CRUWEAR has a Rockwell hardness (HRC) of 63-65, ensuring impressive wear resistance and edge retention. Then again, if you don't like Infi, chances are you don't like any of of these steels. 5/10. Need a product branding service in Germany? Read reviews & compare projects by leading product branding companies. Rex45 is the hardest steel (outside of Maxamet) that Spyderco makes in folders, CPM Cru-Wear the toughest. CPM CruWear steel is increasingly gaining popularity among knife enthusiasts and makers for its balanced performance in various aspects, such as wear resistance, corrosion resistance, and edge retention.