Sharpenability seems to be very similar imo, yet edge holding and apex strength is far in k390's favor. Select Page. Not M4. I like the mellowed out version that has been used. Spyderco Counterfeits, Clones, Replicas, etc. Heat treat, blade geometry, the job at hand, and the sharpening of the blade all play a massive role in the performance of the steel. If REX45 is worse, really why this discussion? I still put K390 a tier above Rex45. For 15 years I carried the same non stainless blade, and like Vivi's P4 example, the only thing that ever rusted were the stainless liners. Top dawg for me is still definitely Maxamet but K390 seems more friendly in the sharpening and durability department. And 10v or K390ify the Golden lineup, please. Thanks for watching! 49 votes, 79 comments. RWL-34 edge retention testing, Anso Neo vs Ochs Orca vs Ochs Orca. They're organized roughly with the best … Will wait for the P4 LW in K390 and the Shaman with Micarta Handles. Related:spyderco cruwear elmax spyderco bark river rex 45 cpm … Not a big fan of the 204p on production knives or any of the 20cv and m390 stuff with my personal experience. I only say that cause I don't have k390. M4 cuts better. Made by the Crucible Particle Metallurgy process, CPM REX 45 has good machinability and grindability characteristics. Good choice! That would be awesome! A new one is much more aggressive than one that has been used a while and broken in. Maybe the Shaman will come with K390!! Can Neo defeat the whales? This puts the Spyderco medium rod between the DMT fine and EF, the Spyderco white rods finer than the DMT EF. k390 vs 52100. by | Feb 17, 2021 | Uncategorized | Feb 17, 2021 | Uncategorized M4 is still my benchmark, but K390 (and REX45) have really impressed me. BBB however made it apparent that there is a huge difference in strength between M4 and K390. Out of Stock . Bradford 01 Guardian 3 Fixed Blade. SALE* $339.95 $219.95 Rex45 is not going to outlast k390 at comparable hardnesses. Thus, I like ZDP, S90V, S110V, M390, M4. Thanks, say is it food safe? Errmahgurd! (John Adams regarding the White House), https://www.youtube.com/user/shawnhouston, https://www.amazon.com/DMT-W6XP-Diamond ... way&sr=8-7. Home; Services; Pay Online; Contact; Menu Blade steel is totally a super important factor to consider when buying a knife, but wait a second—it isn’t the be-all, end-all. I eventually figured out how to minimize that. M4 is a great all around steel. Holding off on the M4 Shaman then. I've put a cbn low grit edge on my police 4 and carried that around for a week, the other day I gave it the ultra fine stone and 1micron cbn on leather treatment. Maxamet Vs K390 Vs Rex45 Battle Royal. Not sure which I like better, different animals. I have two EF: the credit card & diafold (with EEF), Upward and onward. Just has more aggression. DMT fine is supposed to be 600, EF is 1200. In this video I test the edge stability of Rex 45 on my Para 3. Spyderco Shaman Sprint Burnt Orange G10 CPM REX 45 Compression Lock C229GPBORE . DLC would be great for both these steels. * * * EXCLUSIVES * * * C172GBLTIP: Spyderco Plain Edge CTS-204P Titanium RIL with Blue G-10 Domino Bento Box Shop Exclusive You may order as many as you like, no limit. Being able to use a thinner edge and still use it hard in a way offsets edge retention. I’ve seen threads about each of these, but I haven’t seen a direct comparison of the two. Postby aaronkb » Sun Dec 15, 2019 7:14 pm, Postby Albatross » Sun Dec 15, 2019 8:21 pm, Postby AwayFromMySpydieHole » Sun Dec 15, 2019 8:24 pm, Postby koenigsegg » Sun Dec 15, 2019 9:33 pm, Postby Doeswhateveraspidercan » Sun Dec 15, 2019 9:41 pm, Postby Mattysc42 » Sun Dec 15, 2019 9:57 pm, Postby Albatross » Sun Dec 15, 2019 10:03 pm, Postby The Meat man » Sun Dec 15, 2019 10:08 pm, Postby DukeNiemand » Sun Dec 15, 2019 10:56 pm, Postby Mattysc42 » Mon Dec 16, 2019 12:25 am, Postby The Mastiff » Mon Dec 16, 2019 8:58 am, Postby Doeswhateveraspidercan » Mon Dec 16, 2019 9:44 am, Postby abbazaba » Mon Dec 16, 2019 10:07 am, Postby SF Native » Mon Dec 16, 2019 12:14 pm, Postby Albatross » Mon Dec 16, 2019 12:25 pm, Postby TkoK83Spy » Mon Dec 16, 2019 12:32 pm, Users browsing this forum: Google [Bot], kobold and 31 guests. Took a good chunk of time to reprofile the factory edge, but it touches up quickly. But his depends on how new they are. I Pray Heaven to Bestow The Best of Blessing on THIS HOUSE, and on ALL that shall hereafter Inhabit it. Spyderco Bombshell Burch Flash Batch Stonewashed 20CV OD Green G10 Titanium Liner Lock Folder C250GTIP . Why would I vote for an M4 Military when I already have one. In the most simple terms, Rex45 is tougher and K390 will hold an edge longer. All I see on Amazon is that people like using it on their firearms. I prefer a harder matrix at 62rc plus with a chemistry like that, I like a stronger apex. Out of Stock . I think both steels with good heat treats at ~65 hrc would be a closer match, k390 with more edge retention, m4 taking less damage in rough use.... maybe. Postby MacLaren » Thu Mar 14, 2019 7:17 pm, Postby Deadboxhero » Thu Mar 14, 2019 7:30 pm, Postby hambone56rx » Thu Mar 14, 2019 8:24 pm, Postby Deadboxhero » Thu Mar 14, 2019 8:50 pm, Postby ZrowsN1s » Thu Mar 14, 2019 9:00 pm, Postby TomAiello » Thu Mar 14, 2019 10:00 pm, Postby anagarika » Fri Mar 15, 2019 12:53 am, Postby Deadboxhero » Fri Mar 15, 2019 1:49 am, Postby ZrowsN1s » Fri Mar 15, 2019 2:21 am, Postby Chumango » Fri Mar 15, 2019 9:54 pm, Postby anagarika » Sat Mar 16, 2019 3:40 am, Postby steelcity16 » Thu Nov 14, 2019 2:06 pm, Postby abbazaba » Thu Nov 14, 2019 4:42 pm, Postby Pelagic » Thu Nov 14, 2019 8:48 pm, Postby Doc Dan » Thu Nov 14, 2019 10:50 pm, Postby Pelagic » Fri Nov 15, 2019 10:40 am, Users browsing this forum: Google [Bot], kobold and 33 guests. Here's a little chart that I'm going to try and keep up with comparing knife steels. I have a para 3 and a pm2 in K390 and I’m wondering whether Rex 45 is different enough to be worth picking up or whether it’d be somewhat redundant. Neither will disappoint with edge retention or edge stability. May none but Honest and Wise Men ever rule under This Roof! M4 is probably a tad tougher, but at 65 HRC (K390) vs 62-63 HRC (M4) that's expected. I'm guessing the edge strength would be similar, maybe a slight nod to REX 45 on that since they ran that around 66 to 67 HRC, and the K390 PM2 closer to 63. Thanks for the feedback. Both are excellent and both sharpen easily, relative to other "super" steels. Extremely high wear resistance, excellent toughness and very high compressive strength. K390 is a rust bucket had it in Police4 and will never buy it again. K390 … Just sayin, S30V, VG10, M4, XHP, BD1, Cruwear, Elmax, Maxamet, 204P, H1, K390, A11, Rex45, LC200N, M390, 20CV, BD1N, S45VN, https://www.bladeforums.com/threads/eez ... e.1142828/. Rex 45 did better on the factory edge than k390 or m4. BRING ON THE MANIX XL SPRINTS AND EXCLUSIVES! Spyderco Counterfeits, Clones, Replicas, etc. Really a better comparison is the Rex 45 vs K390. The high-performance powder-metallurgy steel BÖHLER K390 MICROCLEAN is a reliable solution for your difficult cutting, die-cutting and cold forming operations, and it has a very good track record for applications in the plastics industry. What are your thoughts? CPC1459451 CPO-437326. CPM ® REX ® 45(HS) CPM REX 45 is an 8% cobalt super high speed steel which has excellent hot hardness along with good wear resistance and toughness, making it suitable for difficult machining applications. In the most simple terms, Rex45 is tougher and K390 will hold an edge longer. Model # SP-C229GPBORE .
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