Rex 45 patina Jump to page: Previous; 1 Might have to! I also have the Rex 45 Lightweight Native 5, so maybe I’ll test the native first to see what to do with the Shaman Reply reply More replies More replies. Its low chromium content means it lacks the corrosion resistance of stainless steel, making patina more likely. I Totally anecdotal, but I have found my Golden K390 to be less chippy than my Golden Rex45. Dec 15, 2018 · Only disadvantage is that it doesn't reach super high HRC compared to - say - Rex 45, Maxamet or ZDP. It is on par with CPM 3V and Z-Tuff. Oct 7, 2021 · I let Rex 45 form a patina naturally, took about 2-3 weeks of cooking board use. Aug 19, 2020 #46 I agree that different kinds of steels have very different kinds of usages, even when the knife platform between them is identical. You cannot trust CPM CruWear steel knives to be used in humid, Maxamet beats almost every other knife steel when it comes to edge retention apart from Rex 121. The steel is like m4 but in use felt stronger. Nov 30, 2023 · REX-45 - minor patina. Cruwear - almost no discernible change. Opens in a new window or tab. I've only been able to produce a Jun 29, 2008 · I messed up big time trying to remove the smallest amount of surface rust on my military Rex 45. I think K390 is a bit more wear resistant. pnwArn89. I think it will be a great steel for both folders and some fixed blades. Join us multiple times a week to hear about your favorite edc knives and edc gear. SubMicron. Ordered it the This Spyderco Manix 2 Lightweight comes with a satin finished Rex 45 steel blade and White polymer handle. Controversial Tried to force a patina with apple cider vinegar and went to watch tv. ArnAnders89 Member Posts: 69 Joined: Thu Sep 03, 2020 10:16 pm. Hi everyone, Para 3 REX 45 Patina. Mar 1, 2016 · Quick to share my initial impressions of the REX-45 steel. All things Spyderco. Michael Janich REX45 is not a stainless steel, so it is susceptible to corrosion and will likely patina (change color) with use. It has high toughness, sharpness, hardness and wear resistance, in exchange for not being stainless. Post by Vamais » Sat Dec 16, 2023 7:21 am. 4V CPM 154 CROMOVA Cronidur 30 D2 steel Damascus drop point Elmax FRN G10 grivory H1 H2 LC200N M390 MagnaCut MC66 Micarta n690 pocket knife Rex 45 rex 121 s30v S35VN S45VN S90V SG2 SUS410 Tanto VG 10 Steel Well, now that we've got a Rex 45 PM2, when does the Rex 121 version come out? :-) Knife Exchange. Para 3 REX 45 Patina. This grade is relatively common in Europe, being produced as Erasteel ASP 2030, Uddeholm Vanadis 30, and Bohler Jun 29, 2008 · Help I accidentally stained/patina’d my Rex 45 military. Something tells me there won't be many photos in Mar 5, 2020 · I don't know how easily Rex 45 stains. I have k390 already in a pm2. Also cooked portobellos and asparagus but I think it's Jul 23, 2024 · Rex 45 Patina Pics! Discuss Spyderco's products and history. Post by ArnAnders89 » Sun Oct 25, 2020 7:05 pm. New comments cannot be posted. Hi everyone, I do feel like it's a bit tighter than I'm used to. The edge geometry will have much more impact on performance than the actual difference in these steels as they are very close in performance. Discuss Spyderco's products and history. In this case it's a coated blade, which removes corrosion concern from common use. I included information on the history of the development of these steels. It's basically M4 modified for extra high hardness. 8Cr14MoV stainless steel retains a sharp edge for a long time, which is one of the REX-121 is very similar to Maxamet, both are tool steels that hold and amazing edge. Neither steels from Golden have really patina’d much, but my 2 Seki K390 knives both have a bit. Cruwear is quite tough, 20cv isnt very tough at all. If you wanted to get more performance with PM high speed steel over M35 you could consider steels like CPM Rex 45, CPM Rex 54 (CPM-M4 with cobalt which performs better than 45), CPM Rex 66/S390, CPm Rex 76, CPM Rex 86. keep it clean tho. I really love the rex 45 steel. Jump to page: Previous; 1 First week with my Native 5 LW with Rex 45 steel and I’m loving it! Locked post. Top three going by pocket-time (update March 24): - EDC: Endura thin red line ffg combo edge (VG10); Wayne Goddard PE (4V), Endela SE (VG10) Rex 45 is one of the top performing blade steels. Went through a nice spectrum of colors, never even a sign of rust. In terms of ease of sharpening, it will be much easier to sharpen New article about super hard high speed steels. For whatever it's worth I have ended up preferring M4 to REX 45. a Satin finished plain edge CPM-REX45 (needs care, will patina) blade and Bi-Directional textured White FRCP handles. Brand new, From BHQ: "This limited edition model marks the first time Spyderco has used all-metal handle construction for the PM2. Both the spine and index choil have traction jimping for optimal control while the large Round Hole allows for easy ambidextrous operation on smooth phosphor bronze washers. He cut cardboard with the same portion of the blade and alternating between two knives. Id just let it stain and develop a rich Patina natural by keeping it dry. · Rex 45 Patina Pics! Discuss Spyderco's products and history. Brand New. looks great! rex 45 is a great steel. 110v is obviously stainless. M4 slower to patina than the other tool steels. Also cooked portobellos and asparagus but I think it's · Rex 45 Patina Pics! Discuss Spyderco's products and history. Uncoated Rex 45 will develop a unique patina with time and use and requires care to prevent corrosion. He stopped when the knife no longer shaved hair. Joined Sep 27, 2020 Messages 15. We bring content t 133 likes, 5 comments - 33r. Maxamet Vs. 61 shipping. Next post Bainite Heat Treatments of 52100, O1, and 1095 – How Much Toughness? 10 thoughts on “CPM-15V and the Thinking about getting a Manix in REX 45, one big reason (but not the only one!) is the obviously very good edge holding of the steel. And this is what happened Dec 11, 2021 · Rex 45 steel knives are known to easily develop a patina, some knife users also prefer to force patina their Rex 45 blades to avoid rusting in the long run. There are lots. And yes the micarta scales feel fuzzy/grippy. The scales I dyed black with Dylon synthetic dye and sanded to reveal orange peaks and edges. 2) Clean blade with dish soap and water thoroughly and make sure no surface oils remain. 380 posts Page 17 of 19. In the real world from my usage/testing Rex45 is a fair bit better in terms of edge retention & toughness, the more popular theory for this difference seems to be heat treatment, I'm not entirely sure that's entirely it, but I have been super I already have picked up 4 M4s. I forced it on M4 with white and cider vinegar, after rubbing the blade with a slice lemon. We bring content t I guess I could patina the one I bought a few weeks ago. Some users “force patina” on a new CPM REX 45 blade to create the · Help with stained/patina Rex 45 military. Share Sort by: Best. 8Cr14MoV Steel Edge retention. Both the spine and index choil have traction jimping for optimal control while the large Round Hole allows for easy Previous post Edge Retention Testing of Seven More Steels – XHP, SPY27, Maxamet, Rex 45, 420, T15, Rex 76. It's easy to sharpen and edge retention is very close to CPM Mar 15, 2018 · Re: Rex 45 Patina Pics! Post by Baron Mind » Thu Aug 15, 2019 12:40 am My Rex45 Para 3 has developed a really nice subtle patina just from the oils in my skin. I have never oiled mine and it shows no sign of discoloring. It came with what looks like a Stonewash finish, which I can only imagine is meant to compliment the potential Patina for the Rex 45. M-4 Noticable dark spots. Mar 15, 2024 · Rex 45 Patina Pics! Discuss Spyderco's products and history. Forum rules. 13 posts • Page 1 of 1. CPM Rex 45: CPM Rex 45 (similar to Hitachi HAP40) is a super-high Apr 20, 2023 · In the vid REX 45 takes real abuse by torque cutting into brass rods without much damage, and is even better in that regard than M4, despite M4 is considered to be tougher (I think?) and even run a bit softer in that test than REX 45. If salt is avoided and the blades are kept dry, the worst you'll see is a patina. but even so I've had it in my pocket covered in sweat for many afternoons and it has no signs of patina or corrosion. My personal HAP40 knives have shown no patina · Slight patina from kielbasa on a camping trip, but I tend to polish the blade back up to minimize patina. Hap40 Endura: 924 inches cut Rex 45 PM2: 1122 inches cut. This seems particularly true for its toughness, which seems strange since it fares well with reviews of its strength overall. One guy mentioned all 3 of these issues and called it CPM Rex 45 Para 2 !! Discuss Spyderco's products and history. Spyderco Manix 2 LW Rex 45 Blade, White FRCP, GPKnives Exclusive limited. I prefer lockbacks for safety reasons and would buy any Spyderco lockback made in Rex 45 or Hap 40. Lift your spirits with funny jokes, trending memes, entertaining gifs, inspiring stories, viral videos, and so much more from users like SpyKers. In literally a few days and little use, the steel acquired a beautiful patina and small specks of rust broke out. I haven't seen any corrosion or even patina on my BHQ PM2, but it has been wiped off any time it's seen water or plant sap. · Para 3 REX 45 Patina. Aug 23, 2019 · If salt is avoided and the blades are kept dry, the worst you'll see is a patina. 443 posts Page 11 of 23. Search Advanced search. Brand new, direct from Spyderco Knives, USA. Feb 8, 2022 · Totally anecdotal, but I have found my Golden K390 to be less chippy than my Golden Rex45. Looking for a Spyderco either para 3 or native in Rex 45. Jun 18, 2015 · I haven't seen any corrosion or even patina on my BHQ PM2, but it has been wiped off any time it's seen water or plant sap. Rex 45 is becoming more popular so more and more people will find out about the early ones I only have the Maxamet PM2 and can say the edge retention is amazing. Novice here, do you think that patina process would achieve a similar outcome on CPM 190 likes, 6 comments - thomasomoore on February 17, 2023: "How to force a patina: First, to force a patina on a blade it needs to be made of a tool steel (M4, REX 45, Maxamet, 3V, 4V, 10V, 15V, K390, 52100). Open comment sort options. patina I want it will be a frequent carry knife. The solid copper handle features internal milling to reduce weight and, with the exception of the stainless steel compression lock tab, the Rex 121 steel will beat Rex 45 in edge retention. Rex 45 Patina Pics! Post by mayong » Tue Jul 23, 2019 1:47 pm. Help with stained/patina Rex 45 military. Post 'em up! Here's my PM2 after a strip steak. Feb 6, 2017 · From the testing I have seen, such as Outpost 76, they seem to cut about the same. Rex 45 is pretty easy to return to factory fresh finish unless it's pitted. 🔥Spyderco GP Knives Exclusive Manix 2 LW - White FRCP - Satin Rex 45--Opens in a new window or tab. CW HRC should be above 61, though, AFAIK. Apr 16, 2017 · Hap40 Endura and Rex 45 PM2 were sharpened to the same sharpness of whittling hair before the test. I have a Para 3 Lightweight in Rex KC Exclusive Shaman Rosewood REX 45. It doesn't naturally form a patina. I also like my Delica with Hap 40. Sponsored. Dec 15, 2024 · I suspect performance will be very similar to Rex 45/Vanadis 30, but should have some better toughness (3% less Cobalt) and better edge retention (1% more Vanadium). 99. Mar 3, 2007 · For sure I force the patina on tool steel. The difference being Rex 45 is more rust resistant. 3) Cover blade with yellow mustard as thin Cruwear is less corrosion resistant, it can patina and slightly rust in a very sweaty and humid pocket, but it's not nearly as rusty as other non stainless steel. So can anyone explain why the latter began to develop a patina immediately, while the former has gone through crates of acidic produce and still is as shiny as the day it arrived? CPM Rex 45 can be nitrided or PVD coated if desired. 1) Remove blade from handle. If I'm looking at the right elements, it seems like Rex 45 should be about the same as Hap40 and M4 for corrosion, with maybe a Also, the hardness of 8Cr14MoV blades differ depending on the process used by the manufacturer. I used Metal Rescue gel and followed the directions to a T. Which of these would you choose for a daily edc? I have just basic sharpening skills, is From the testing I have seen, such as Outpost 76, they seem to cut about the same. Hi everyone, · Rex 45 Patina Pics! Discuss Spyderco's products and history. This is a GPknives Dealer Exclusive. Discover topics like patina, rex45, and the magic of the internet at Imgur, a community powered entertainment destination. I do all my mods myself. I came across this video yesterday comparing the K390 and 10v PM2 that you may find helpful. I haven't had my K390 Patina yet, and I wonder how the REX 45 will fare in our calm Mediterranean climate. I do have other knives in Rex 45 and 10v (PMA11) but being different platforms I can't make a direct comparison for you. For whatever it's worth I have May 10, 2021 · CPM Rex 45. I haven't been afraid to get the blades wet or really use them, I just make sure they don't stay dirty for long and clean them after each use. However, Rex 45 will provide about four times the toughness level of Rex 121. BANG! Neeves Knives I'm Jerad with my lovely wife Kara. That's just the nature of carbon steel. The patina gives it character in my opinion, this may be a downside for some but the way that the spydie hole develops discoloration with use is very cool. It's one step below being stainless. Still on the factory edge and still sharp. ZrowsN1s Member I have had it patina quickly cutting up certain foods and I have never had Cruwear patina at all cutting up food so I would say Cruwear is more corrosion resistant. Hi everyone, · Para 3 REX 45 Patina. Hi everyone, I love the edge retention, I got this one used but uncut a month or two ago, haven't sharpened it yet and a couple days ago was able to dress out a rack of pork ribs with no issues. Nov 13, 2013 · My Rex 45 has taken a small bit of patina were my Cruwear has not shown much patina at all. the nicest/most consistent has been HAP40 & V-Toku. Also cooked portobellos and asparagus but I think it's the fat in the Mar 15, 2024 · Rex 45 Patina Pics! Discuss Spyderco's products and history. My K390 Police started to take on a patina the first time I used it. Traditional if you will. New. Dec 2, 2019 · For metal cutting tools, you typically want high-speed steel, so S90V would not be the best choice. If a CVD treatment is used, subsequent hardening is Thermal Treatments Surface Treatments Critical Temperature: 1500°F (815°C) Forging: 2000-2100°F (1095-1150°C). Those Rex natives are one of the best deals in knives. Re: Rex 45 Patina Pics! Post by mayong » Thu Aug 01, 2019 9:47 pm. Reactions: Blues. CPM Rex 45 is a powder metallurgy version of the high speed steel M3:2 plus cobalt. Hi everyone, Rex 76 and M4 both have about 3. Open comment sort options Best. 75% Cr and fairly similar amounts of other carbide forming elements, so I'd assume the amount of free Cr would also be roughly the same. Newest Spydies: S90v Ti Military, Pacific Salt and a special Kiwi. Mar 16, 2022 · That leaves 10V, Rex 45, and Cruwear from your list. 17K subscribers in the spyderco community. 00. Took a nice cloudy gray tint. Re: Rex 45 Patina Pics! Post by mayong » Thu Aug 01, 2019 9:47 pm . Apr 12, 2023 · Rex 45 Patina Pics! Discuss Spyderco's products and history. Satin Finished Flat Ground Rex 45 Tool Steel; a Satin finished plain edge CPM-REX45 (needs care, will patina) blade and Bi-Directional textured White FRCP handles. The knife is mainly used for cutting appetizers, fruits and vegetables. Do not forge below 1700°F (925°C). If you want toughness and more stain-resistance, Cruwear is your best bet. Rex 45 is perhaps a consideration as it is similar to maxamet but slightly tougher but doesn't hold the edge like max similar in that its not great as a polished high grit again 400g on stones and strop to 1m. Spyderco is about the blades, and Rex 45 is an ideal steel for a daily-use pocket knife. Sep 13, 2022 · REX 45 is kind of an oddball for me, I've never developed the love for it that a lot of steel nerds have. Post by Martijn » Thu Jan 14, 2021 5:12 pm. This grade is relatively common in Europe, being produced as Erasteel ASP 2030, Uddeholm Vanadis 30, and Bohler S590. AFAIK, depending on where/from whom you get your data, they are either identical or nearly identical in chemical composition. 10V and Rex 45 are going to gain a patina pretty quickly if using them for food prep. damn, is the rex 45 brand new? hadn't heard of that one yet but i haven't checked Instagram in a millennia or 2. $249. I had an m4 manix and it chipped, very small chip but still I was shocked how easily a knife can chip especially m4. First thing we need to do is disassemble the knife. Thoughts on if it’s worth it as opposed to the M4 steel? Share Sort by: Best. 90 votes, 18 comments. Also very collectible as there aren’t a ton of them. Iron Oxide on a $200 knife is patina. I like patina amd actually enjoy blade steels that discolor with use. I also suspect it to take on a patina a bit better than M4. I'm guessing the edge strength would be similar, maybe a slight nod to REX 45 on that since they ran that around 66 Feb 23, 2022 · I have a native 5 in Cpm Rex 45 that I am scared to use, do I really need to worry about rust/corrosion? If anyone has any answers or opinions I would really appreciate it. Wipe off any moisture, no oil. This Spyderco Manix 2 Lightweight comes with a satin finished Rex 45 steel blade and White polymer handle. Even cutting into meats with such blades can produce a gnarly patina. Slow cool after forging. 34 posts Previous; 1; 2; mayong Member Posts: 101 Joined: Thu Mar 15, 2018 3:00 pm. $230. It offers better corrosion resistance than most nonstainless knife steel like CPM 10V, HAP 40, and CPM Rex 45. Martijn Member Posts: 33 Joined: Thu Jan 14, 2021 4:40 pm Location: The Netherlands, Europe. Joined Feb 2, 2020 Messages 335. Nov 8, 2012 · This is a hard question to answer because of the lack of easy quantification. Toughness and edge retention values on Maxamet, and a comparison with the toughness of Rex 121. If I was going to be getting rained on in a more wilderness camp setting where everything is always wet. It is above 52100 in that respect and would be similar to M4 and other mid-chromium steels like INFI. Buff it with fine brass wool in the Sep 13, 2022 · It's basically M4 modified for extra high hardness. Jul 15, 2011 · Iron oxide on a $10 knife is rust. Now, corrosion generally has never been a problem for me at all, but lately I read about that with a tool steel, just by corrosion on the very edge, the superior edge holding properties could be more or less relativised again. Both are not stainless steel; however, CPM Rex 45 has reduced carbon with a bit more chromium than Rex 121, thus providing better corrosion resistance. Best. or Best Offer +$4. Wax and buff with any good metal polish (Mother's mag wheel wax, Simichrome or my favorite Wenol) Oil and reassemble. I have a Para 3 Lightweight in Rex 45 and I love it. Rex 45 is tough and can be sharp af but its not corrosion resistant. On my radar: 110V Military, Police 4 and some sweet Rex 45 Military action. Re: Rex 45 Patina Pics! Post · Rex 45 Patina Pics! Discuss Spyderco's products and history. I also found K390 less of a bear to sharpen. Also cooked portobellos and asparagus but I think it's the fat in the · Rex 45 Patina Pics! Discuss Spyderco's products and history. Oct 25, 2020 #1 Hi all I am posting because I could really use Jul 15, 2011 · Iron Oxide on a $200 knife is patina. After Dec 15, 2024 · Rex 45 steel reviews fare well against Cruwear comparatively – but with a bump in toughness. Guess i got lucky i have been watching and have only seen a para 3 I like the Rex 45 more it's a higher performance edge not because it's "Rex 45" but because Spyderco was very bold with the HT and maxed it. Here's another one sourced, I believe, from these forums. Its a little different then my k390 and maxamet patinas. On wear resistance A patina on a carbon knife blade can be formed naturally or forcefully. Re: Rex 45 Patina Pics! by Sharp Guy » Wed Jul 24, 2019 9:50 pm. Thread starter pnwArn89; Start date Oct 25, 2020; P. Top. The patina on most Rex 45 steel looks amazingly beautiful but this May 10, 2021 · CPM Rex 45 is a powder metallurgy version of the high speed steel M3:2 plus cobalt. Vamais Member Posts: 171 Joined: Fri Jan 13, 2023 2:07 am Location: Earth. Again, Maxamet goes for broke in edge retention while sacrificing elsewhere. If you encounter copious amounts of loc-tite like I have, Feb 24, 2019 · Rex 45 can definitely patina, though it seems to be more resistant to developing orange pitting rust when compared to M4, K390 or 10V. If you use it will probably form patina so many people force a patina which helps prevent rust as well. I haven't been afraid to get the blades wet or really use them, 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. Cruwear is a little more stain-resistant than the other two. Re: Question for CruCarta PM2 owners. 34 posts 1; 2; Next; mayong Member Posts: 101 Joined: Thu Mar 15, 2018 3:00 pm. edc on November 15, 2023: "Shaman CPM-REX 45 Blade w/ Forced Patina, Rosewood scales - KC Exclusive #Spyderco #ForcedPatina #SpydercoShaman #SpydercoShamanRex45 #CPMREX45 #SpydercoRex45 #ShamanRex45 #Rosewood #Dymondwood #forcepatina #patina #RosewoodShaman #UseYourShit". I also love the patina it gets. Mostly to protect the pivot area. 20cv is highly stainless, nearly rust proof. One curious note is that REX 45 seems to resist corrosion and patina much more than M4. I can't remember whose it is. I'd say let it develop a patina with normal use. CPM REX 45 is a high-carbon tool steel prone to oxidation and patina formation, especially when exposed to moisture or acids. Buff it with fine brass wool in the direction of the surface grind marks to remove the oxides. Nice! picked up a used pm2 rex 45. unless you like a patina Currently REX 45 orange/blue Paramilitary 2s still show in stock at Cutlery Shoppe's website, though really slowly, shows patina and "age"). ZDP-189 Coated vs Non-coated CPM REX 45. bend-9202 (0) 0%. hotsaucebanks • I want a shaman in Rex 45 to cut acidic fruit so it will patina but I REX 45 is significantly tougher than the Maxamet but will not hold an edge as long. FEEDBACK: The Good, The Bad, while others don't know it will patina or rust and others don't know it can chip. Rex 45 Manix 2 LW. REX-121 might hold an edge slightly longer, but it might also chip a little easier. Rex 45 Patina Pics! Post by mayong » Tue Jul 23, 2019 1:47 pm . If you don't like the Oct 29, 2007 · I'm going to demonstrate the process with my Native Chief in rex45. As a side note REX 45 has been very resistant to forming any significant patine for me, M4/ will patina but it' spotty. 6 posts • Page 1 of 1. I have taken chips out of 2 Rex45 knives, only 1 K390. thnsijbzprswghvobaiyqaacteulclaxdfavnkyxlesjwt