S30v vs s90v steel

Aug 16, 2021 · While S30V cant hold an edge for long like S110V it is much easier to sharpen and offers better toughness than S110V hence less prone to chipping and cracking. Also Read CPM Rex 121 Steel Review, a steel with a hardness of 71HRC. S110V vs. S90V. Both S110V steel and S90V steel contains similar high level of Vanadium content.

S30v vs s90v steel. S30V is a knife steel produced by Crucible, released at the end of 2001 [1]. Crucible has been a part of the knife steel industry for many decades, such as with steels like 154CM which was developed in the late 1950’s and gained popularity in knives through Bob Loveless in the early 1970s. I wrote about the history of 154CM in this article.

Final Thoughts. In general, M390 steel is more premium steel than S30V steel, M390 offers better edge retention and corrosion resistance. On the other hand, S30V is much easier to sharpen than M390 and offers better toughness. In terms of price, knives made with M390 steel are more expensive than those made of S30V steel.

Jan 4, 2023 · The main difference between s30v vs. s90v is the edge retention and sharpening ease. That is because the s90v will stay sharp for a long time, but it is much more difficult to sharpen, as it is harder steel. On the other hand, the s30v is easier to sharpen, but it will quickly lose its edge retention. Of course, if you intend to sharpen it ... It looks like I should go with the s30V. Going off of these charts s30v does seem more balanced but people say s90v is way better. Better is a bit more subjective here. It's more a matter of preference. If you prefer a steel that retains an edge longer but requires more work to sharpen, s90 is the way to go.728. Nov 28, 2015. #3. 420hc is a fine steel, S30v is "better". I use regularly a Buck Woodsman and a Buck folder (285 i think) in 420hc. They are great but don't hold an edge like S30v or other "super" steels. 420hc is a great affordable steel but you need to touch them up often if you want a razor sharp blade.0.03%. CPM S90V Knife Steel has remarkable wear-resistance and corrosion-resistance qualities! One aspect of knives using Crucible CPM S90V is the cost. This alloy is very hard on grinding belts and the machines that use them, transferring that cost to the end product. That being said, the almost cult-like following of those collectors wanting ...Oct 6, 2022 · Final Thoughts. S45VN steel is better than S30V steel. The improved fine-grained structure of S45VN stainless steel alloy provides better corrosion resistance and edge retention than S30V. The improved performance is attributed to the increased chromium content and the addition of Nitrogen in its alloy. S45VN knives offer better performance ... Para 3 S90V or Para 3 Cruwear. I have been wanting to get a knife in the 3" blade length range. I have also been wanting to get a knife with CF scales and to try out Cruwear. I was inclined to get the Sage 5 but was always hesitant because it's in S30V, which is a great steel but I already have a knife in it.Final Thoughts. S45VN steel is better than S30V steel. The improved fine-grained structure of S45VN stainless steel alloy provides better corrosion resistance and edge retention than S30V. The improved performance is attributed to the increased chromium content and the addition of Nitrogen in its alloy. S45VN knives offer better performance ...

I contacted Crucible Steel, who makes a lot of the common knife steels, like S30V, S35VN, S45VN, S90V, 10V, CPM Cru-Wear, etc., and Niagara, who hot rolls and distributes Crucible's knife steels, and told them about my idea. ... The main difference between CPM MagnaCut steel and other stainless steels is the amount of chromium.It is a good all-around steel that will serve you well IMHO. The main thing is to find a knife with ergonomics that you like, at a price point that you like. The difference between S30V and S90V for most people is like agonizing over a Noveske barrel vs. a LMT barrel when you are shooting Guatemalan M193 through it.Pros Cons How to Choose Between the S30V and S90V Edge retention Toughness Ease of sharpening Intention of Use Price What Makes a Good Quality Knife? Final Thoughts S90V steel knives offer better edge retention than S30V steel knives meaning you can use them for a long time without sharpening.S30V. S30V was released at the end of 2001 as a high-end steel. It’s still considered a premium steel, and one of the best all-around steels you’ll be able to get for a knife. It’s like the jack of all trades for knife steel: It’s a well-balanced steel when it comes to the different properties it exhibits. It’s hard to go wrong with ... S30V VS S90V: Some Similarities. Steels S30V and S90V are both incredibly strong. They both have good resistance to wear and tear. Both steels are brittle. Their hardness, toughness, and flexibility vary, but they are used in the same applications. S30V is 58–61 HRC while S90V is 60–64 HRC in terms of hardness.

S30V will be easier to sharpen in general, but S90V will hold an edge for longer while not being that much harder to sharpen. That also depends on who you …This is also a powder-metal steel produced by American steel company Crucible. Like S90V, it's a high-hardness steel, but it's more balanced than S90V. Spyderco ...Jan 13, 2023 · S90V has less hardness compared to the 20 CV. Plus, 20 CV steel also has better toughness, edge retention capability, and more resistance to corrosion. But the S90V has superior wear resistance and also is easy to sharpen. Both of these steels are expensive, but 20CV is costlier. If I were you, I would have read the full article to find out the ... The S30V is softer than the M390. With a Rockwell hardness score of 59 – 61 HRC, the S30V is harder than most other steels in the market; but falls behind the M390. As a result, the S30V steel blades are easier to …But this steel, which is a sequel to S35VN and a grandchild of S30V, is out in force. Spyderco updated many evergreen models to run S45VN as a base steel, and the results are great. It’s more ...

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Niobium (Columbium) 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. The S110V is often cited as the most similar steel type with the Micro-Meld Maxamet steel. 6.00% Vanadium. Edge Retention. 10/10.FAQs about s30v vs s90v steel What is the primary difference between a s30v and s90v steel? The primary difference between s30v and s90v steel is that s30v is softer and easier to sharpen, while s90v is harder and more difficult to sharpen. Both steels are stainless steels known for their hardness, wear resistance, and edge retention. K390 is a high-end premium high-alloy steel with extremely high performance. This cold work steel has high hardness and is a popular reliable choice. ... The main difference is that you get higher hardness …Here is the short answer: S30V is better steel than 420HC. While they are both stainless steel, S30V has better durability, edge retention, and longevity. However, there are some trade-offs to S30V: While S30V is better than 420HC, S30V is more expensive and is harder to sharpen. Now that you have the short answer, we can look at the qualities ...The best angle to sharpen a knife depends on how you intend to use the knife, the thickness of the blade, the steel used to make the blade, the sharpening tools used, and your preference. Knives have no standard sharpening angle, but most kitchen knives are sharpened at a 15-20 degrees angle. This article will discuss factors that …Cutting performance will depend on which ever one is ground more optimally. For most materials S30V will significantly outlast AUS-8, as it is harder and more wear resistant. The only real concern is that there have been some reports of poor intitial problems with S30V which required some extensive sharpening to correct poor steel in …

CPM S90V is a unique tool steel made by the Crucible Particle Metallurgy process. It is a martensitic stainless steel with a high volume of vanadium carbides for excep-tionally good wear resistance. S90V offers substantial improvements in wear resistance over 440C and D2, and other high chromium tool steels, with corrosion resistanceS90v and M4 steel will go head to head today, and the winner will be revealed. Both S90v and M4 steel have the same degree of retaining edge. When compared to S90v steel, however, the M4 steel is inferior in toughness. Once again, the fact that M4 isn’t manufactured from stainless steel means it won’t hold up better to wear.Apr 10, 2022 · S30V is an improved version of steel from these previously used steel types which are 440C, 154CM, S60V, and S90V. S30V was released in 2001 by Crucible and soon became very popular. The previously developed steel types are good but have some limitations. The quality of S30V is better than the previously used steel named BG42. S30V is a ... Stainless Steel Compositions. Edge Retention. You can read about my CATRA edge retention testing in this article. Each steel was tested with a knife that was produced just for the test, and then sharpened the same way for each test (15 dps 400 grit CBN sharpening). A few steels have been added since such as MagnaCut and M398.The difference between the two is in the details. S30V Steel. Introduced in 2001, S30 steel is made with 1.45% carbon, 4% vanadium, and 10.5% chromium carbide. This steel continues to be one of the best knife steels on the market for a wide range of knife uses and applications. Vanadium carbides are some of the most prized carbides for knives.If you know how to sharpen, S30V takes less time to get sharp and keen, and can be run more acutely. S90V takes more time and effort to sharpen to the same keeness and sharpness (duh). Either can be made to do well against cardboard/ wood/ rope, but not at the same time unlike AEBL and sandviks.FAQs about s30v vs s90v steel What is the primary difference between a s30v and s90v steel? The primary difference between s30v and s90v steel is that s30v is softer and easier to sharpen, while s90v is harder and more difficult to sharpen. Both steels are stainless steels known for their hardness, wear resistance, and edge retention.Crossed-Cylinder Wear Test However, the existing PM stainless steels like S60V, M390, Elmax, and even MPL-1 had very low values in the crossed-cylinder test when compared with 10V. The reason was that the high chromium in the steels would lead to the formation of chromium carbide rather than the high hardness vanadium carbide.Oct 6, 2022 · Final Thoughts. S45VN steel is better than S30V steel. The improved fine-grained structure of S45VN stainless steel alloy provides better corrosion resistance and edge retention than S30V. The improved performance is attributed to the increased chromium content and the addition of Nitrogen in its alloy. S45VN knives offer better performance ... The closest steel to our K390 would be the S90V Stainless Steel, in exception for corrosion resistance (S90V offers a better corrosion resistance compared to the K390), they both offer great edge retention and hardness due to 9% of Vanadium in both steel, Same for the wear resistance, and they both fall in the same price range of high-end steel.The S in its name stands for ‘Stainless’ while the V stands for ‘Vanadium’. The numbers are mere indicators of difference from other varieties like the s90v. The S30V steel is tougher than the 154cm variety and is known for its exceptional hardness. Just like the 154cm, it is a corrosion-resistant variety due to its stainless steel nature.

Just a few years ago, S30V was considered the best steel around. Today, S30V is sometimes considered an ancient steel while newer steels like S110V are praised for being even better. ... While S90V is better than S30V, the price jump between something like the Benchmade 940 and the Benchmade 940-1 may be too much. It goes from …

S90v has some huge changes in its chemical composition if we compare it with S30v. S90v has 2.3% Carbon which is approx 58% higher than the S30v which has only 1.45% of Carbon. Carbon makes steel hard and also enhances its ability to bear any wear/tear. 14% Chromium is ideal in both steel types.It is a good all-around steel that will serve you well IMHO. The main thing is to find a knife with ergonomics that you like, at a price point that you like. The difference between S30V and S90V for most people is like agonizing over a Noveske barrel vs. a LMT barrel when you are shooting Guatemalan M193 through it.The study of steel is now so complex and nuanced that one can acquire a graduate degree in the subject and still learn new things every day. ... CPM-S90V, CPM-S110V, CPM-10V, and Bohler K390 each fit in this ... Elmax, CTS-XHP, CPM-S30V, and CPM-154. Less expensive, conventionally produced steels include VG-10, D2, 154CM, …The main difference between s30v vs. s90v is the edge retention and sharpening ease. That is because the s90v will stay sharp for a long time, but it is much more difficult to sharpen, as it is harder steel. …Nitro-V steel vs S30V. Properties Nitro V Steel S30V Steel; Toughness: 7.5: 4: Edge Retention: 3: 6: ... Nitro V is tougher steel than S30V and most other mid-range and premium steel like S90V. Nitro V toughness can be bettered by a few steels like AEB-L, LC200N, and 19C27. Nitro-V vs CPM 3V.AS all you steel aficionados knows Vanadium carbide is small and very hard. I found wear resistance of S90V seems to have slight upper hand, even it is a little bit softer than M390 within Benchmade HT. One thing against S90V is it tilts toward M4, meaning that it seems to tarnish a slight bit more than M390. (Mind you, it turns dark faster.The most notable difference between these is the addition of Niobium in S35VN alloy. Niobium makes S35VN more tougher than S30V steel . S35VN CPM steel is also much easier to grind and machine than S30V due to its finer grain structure. S35VN VS S90V. CPM S90V steel offers better edge retention than S35VN.Corrosion Resistance of Steel. At its most basic, chromium in steel leads to the formation of a chromium oxide layer on the surface which protects the steel from rusting. ... This means that stainless steels with high vanadium content like S30V, M390, Elmax, S35VN, S90V, etc. would have estimated Cr in solution which is too high. However ...Final Thoughts. S45VN steel is better than S30V steel. The improved fine-grained structure of S45VN stainless steel alloy provides better corrosion resistance and edge retention than S30V. The improved performance is attributed to the increased chromium content and the addition of Nitrogen in its alloy. S45VN knives offer better performance ...

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Para 3 S90V or Para 3 Cruwear. I have been wanting to get a knife in the 3" blade length range. I have also been wanting to get a knife with CF scales and to try out Cruwear. I was inclined to get the Sage 5 but was always hesitant because it's in S30V, which is a great steel but I already have a knife in it.May 26, 2023 · MARKET POPULARITY: 7. Made by US based Crucible, CPM S30V (often simply referred to as S30V) steel has excellent edge retention and resists rust effortlessly. It was designed in the US and is typically used for the high-end premium pocket knives and expensive kitchen cutlery. The need to develop a premium stainless steel for cutlery saw the introduction of CPM S30V steel, which Chris Reeves was directly involved in creating. ... CPM S45VN is a lot easier to grind than CPM S90V and simpler than CPM S30V. Although S35V seems to be better on toughness, this toughness can be incorporated in S45VN …About M390 Steel. A favorite of high-end pocket knives, this stainless steel is built to hold an edge, but is a bit of a challenge to sharpen. M390 is effectively identical to CPM 20CV and CTS 204P, and of those three, is most often used on internationally manufactured knives. Made in Sweden by Bohler-Uddeholm.When it comes to edge retention, S90v steel is far better than S30v steel as it can stay sharp for an incredible amount of time. However, S30v steel is much easier to sharpen, …Outpost 76 on youtube has a cut test video on S45VN. In his particular sample of S45VN, it was basically on-par with his S30V tests in his specific test of cardboard cutting. This, (combined with a similar stain resistance, and an increase in toughness), makes it another well-balanced upper-middle end steel.What's more, being stainless steel, it offers good corrosion resistance. S90V is very popular in the knife making industry for making high-end knives. However, like any other premium steel, it is expensive. The high pricing is associated with the fact that this steel is very difficult to work on.The steel is the innovative version of Crucible’s S30V steel, both of these steels belong to the SxxV series of the company. ... However, S35VN falls weak in edge retention in front of S90V. CPM S35VN vs S110V. Both of the steels show great performance in all the steel aspects but they do have certain differences. S110V steel … ….

Both Nitro V and S30V are extremely hard steels, but S30V is generally regarded as the harder of the two. It is rated at a Rockwell hardness of 59 to 61, while …S90V vs. S30V. Crucible manufactures both S30V and S90V. S30V has less carbon and vanadium than S90V, with the same amount of chromium but more molybdenum. The composition of S30V enables it to have better toughness and corrosion resistance than S90V. S30V steel doesn’t hold an edge as great as S90V but is considerably easier to sharpen.For example, S30V had increased Mo over the earlier S90V/S60V for improved corrosion resistance, and that trend continued thereafter with other Crucible products. However, a version of S125V with 2.7% Mo was in the S90V patent, which predated S30V, so it isn’t 100% clear in which direction inspiration occurred.CPM S90V vs S30V Also from the same manufacturer, the S30V is a premium-grade steel that is very popular among knife makers. It shares a number of similarities from the S90V since both are made using the same process and the idea behind them are the same.S30V vs S90V. I am new to knives and am looking at the benchmade hidden canyon hunter. Benchmade has 2 versions with different steel qualities. The S90V is about $60 more expensive. I was wondering if the difference in steel quality and edge retention is worth the added cost. Can any of you guys help me out? Depends on your use case. Osborne 940-1. The 940-1 variation has a carbon fiber handle and weighs in at 2.44 oz. The blade steel is the S90V variation which is harder than the S30V that the other two models have, but still provides a long lasting sharp edge. This knife is the most expensive of the three coming in around $320.Jan 30, 2022 · SUMMARY: CPM 345VN steel is a high alloy stainless steel with outstanding edge retention, increased corrosion resistance, and modest toughness. These properties make S45VN is outstanding blade steel for high-end folding knives. S45VN is a step forward from S35VN in corrosion resistance and edge retention, but lacks some of the toughness of S35VN. May 10, 2021 · LC200N and BD1N have much lower wear resistance than S30V and the CATRA test is an edge wear test. Any test showing comparable performance between S30V and LC200N is either poorly controlled (different edge geometry, sharpening is different, testing is inconsistent, etc) or the dominant edge dulling mechanism is not wear, such as edge deformation. Feb 4, 2023 · In testing, S30V actually held its edge 1.8% longer than Elmax. Because it has slightly less carbon and fewer carbides than Elmax, S30V may be a more resilient and flexible steel. S30V’s drawback is that its lower chromium content means it’s more prone to corrosion in humid and wet environments. Elmax vs S90V S30v vs s90v steel, CPM S30V is a martensitic (hardened) powder-made (sintered) wear and corrosion-resistant stainless steel developed by Dick Barber of Crucible Industries in collaboration with knifemaker Chris Reeve. Its chemistry promotes the formation and even distribution of vanadium carbides, which are harder and more resistant to abrasion than chromium …, Jan 5, 2014. #8. M390 has more stain resistance and easier to sharpen, From my experience M390/204P are not very tough steel, at least it is noticeable less tough than S30V. Could be the reason of 20%Cr which make it brittle. I don't have any experience with S90V though., S90V has less hardness compared to the 20 CV. Plus, 20 CV steel also has better toughness, edge retention capability, and more resistance to corrosion. But the S90V has superior wear resistance and also is easy to sharpen. Both of these steels are expensive, but 20CV is costlier. If I were you, I would have read the full article to find out the ..., S90V makes the best knives, but S30V can still get the job done. The choice between the two depends on your preference and budget. S90V steel knives offer better edge retention than S30V steel knives …, M4 steel vs. S90V. CPM-S90V is an incredibly wear-resistant steel that doesn’t sacrifice its toughness as much. Depending on heat treatment, S90V can have better wear resistance than M4. S90V accomplishes this despite being much softer steel at 57 to 59 HRc, whereas M4 can reach an impressive 65 HRc., SUMMARY: CPM 345VN steel is a high alloy stainless steel with outstanding edge retention, increased corrosion resistance, and modest toughness. These properties make S45VN is outstanding blade steel for high-end folding knives. S45VN is a step forward from S35VN in corrosion resistance and edge retention, but lacks some of the toughness of S35VN., When it comes to edge retention, S90v steel is far better than S30v steel as it can stay sharp for an incredible amount of time. However, S30v steel is much easier to sharpen, …, FAQs about s30v vs s90v steel What is the primary difference between a s30v and s90v steel? The primary difference between s30v and s90v steel is that s30v is softer and easier to sharpen, while s90v is harder and more difficult to sharpen. Both steels are stainless steels known for their hardness, wear resistance, and edge retention. , 11,409. Mar 16, 2011. #2. First thing to note: S30V is usually heat treated to Rc 57-59 range, and sometimes in the Rc 59-60 range. That is how hard the steel is and can affect edge holding and wear resistance. M4 is somewhere in the Rc 63-65 range and is much harder than other steels. Stain resistance isn't that much higher than 1095 though., Jan 13, 2023 · S90V has less hardness compared to the 20 CV. Plus, 20 CV steel also has better toughness, edge retention capability, and more resistance to corrosion. But the S90V has superior wear resistance and also is easy to sharpen. Both of these steels are expensive, but 20CV is costlier. If I were you, I would have read the full article to find out the ... , When it comes to edge retention, S90v steel is far better than S30v steel as it can stay sharp for an incredible amount of time. However, S30v steel is much easier to sharpen, …, Feb 1, 2023 · S90v has some huge changes in its chemical composition if we compare it with S30v. S90v has 2.3% Carbon which is approx 58% higher than the S30v which has only 1.45% of Carbon. Carbon makes steel hard and also enhances its ability to bear any wear/tear. 14% Chromium is ideal in both steel types. , CPM S30V is a martensitic (hardened) powder-made (sintered) wear and corrosion-resistant stainless steel developed by Dick Barber of Crucible Industries in collaboration with knifemaker Chris Reeve. Its chemistry promotes the formation and even distribution of vanadium carbides, which are harder and more resistant to abrasion than chromium …, Nitro-V steel vs S30V. Properties Nitro V Steel S30V Steel; Toughness: 7.5: 4: Edge Retention: 3: 6: ... Nitro V is tougher steel than S30V and most other mid-range and premium steel like S90V. Nitro V toughness can be bettered by a few steels like AEB-L, LC200N, and 19C27. Nitro-V vs CPM 3V., Para 3 S90V or Para 3 Cruwear. I have been wanting to get a knife in the 3" blade length range. I have also been wanting to get a knife with CF scales and to try out Cruwear. I was inclined to get the Sage 5 but was always hesitant because it's in S30V, which is a great steel but I already have a knife in it., Jan 15, 2020 · Conclusions and Summary. CPM SPY27 is a steel produced by Crucible exclusively for Spyderco. The steel looks somewhat similar to S35VN but with increased Nb and N, decreased C and V, and a 1.5% cobalt addition. The resulting steel is expected to have similar hardness and corrosion resistance to S30V and S35VN. , S30V vs S90V. I am new to knives and am looking at the benchmade hidden canyon hunter. Benchmade has 2 versions with different steel qualities. The S90V is about $60 more expensive. I was wondering if the difference in steel quality and edge retention is worth the added cost. Can any of you guys help me out? Depends on your use case., As budget-minded buyers probably also look for budget sharpening stones. 6) And there are bonus points if the steel is easy to grind and polish for the knife manufacturer or custom maker. This reduces costs of production making it better for budget knives. 7) I am not considering defunct or extremely rare steels like BG42, 440XH (non-PM XHP ..., Difficulty to Sharpen. When it comes to sharpening difficult, the comparison between VG10 vs S30v steel is interesting. Where VG10 makes up for that low edge retention is its simplicity to sharpen back to perfect performance. Many novice knife users comment on how easy it is to bring VG10 back to great sharpness with fairly basic …, It sharpens easier and is cheaper while still having a pretty great edge retention. S90V has a better edge retention but let's all be honest, edge retention for most of us is just numbers on a piece of paper. It's a rare occurrence that we need that level of performance., For example, S30V - a relatively affordable "super steel" - is one of those ... or-death matter. It's kinda ironic that these days, we use it for EDC knives ..., The best quality of S30V is that it is a very well-balanced steel. S30V is a steel that is balanced very well between corrosion resistance, edge retention, wear resistance, and toughness. However, S30V is high in carbon so it can be more prone to chipping than other steels. Here is what S30V is made of: 1.45% carbon; 14% chromium; 2% molybdenum ..., The test involves heat treating steel, finishing it to 400 grit, and then spraying it every 8 hours either with purified water or 1% saltwater. The purified water is to test if the steel is acting as a stainless. So far only two stainless steels have failed this test, XHP and ZDP-189. SPY27, S30V, and 420 all passed without corrosion after 4 days., 728. Nov 28, 2015. #3. 420hc is a fine steel, S30v is "better". I use regularly a Buck Woodsman and a Buck folder (285 i think) in 420hc. They are great but don't hold an edge like S30v or other "super" steels. 420hc is a great affordable steel but you need to touch them up often if you want a razor sharp blade., 5. Vanax Steel (Premium Steel) 6. Spyderco SPY 27. Take Away. Steel manufacturers are constantly refining the elements used in making steel to produce new and better steel. The new technologies in steel produce steel that performs well in all aspects including hardness, toughness, edge retention, and corrosion resistance. Here is …, S90v is easy to sharpen, I'd say easier than the other two you listed because it will wear significantly less. Just like it is easier for someone who is in shape to train for a marathon versus an out of shape person. I think s35vn is too similar to s30v to matter, and I think s30v is close to worthless., What’s more, being stainless steel, it offers good corrosion resistance. S90V is very popular in the knife making industry for making high-end knives. However, like any other premium steel, it is expensive. The high pricing is associated with the fact that this steel is very difficult to work on. It takes the knife makers sophisticated tools ..., Difficulty to Sharpen. When it comes to sharpening difficult, the comparison between VG10 vs S30v steel is interesting. Where VG10 makes up for that low edge retention is its simplicity to sharpen back to perfect performance. Many novice knife users comment on how easy it is to bring VG10 back to great sharpness with fairly basic sharpening tools., This is also a powder-metal steel produced by American steel company Crucible. Like S90V, it's a high-hardness steel, but it's more balanced than S90V. Spyderco ..., See more S30V steel knives S90V. This is a powder-metal steel also produced by Crucible. It’s a very hard steel and is exceptionally difficult to sharpen. The benefit of this, of course, is that ..., 20CV steel vs m390. Both 20CV steel and Bohler m390 steel are super steels produced following the powder metallurgy, and most of their properties are similar. They offer the same level of edge retention, toughness, corrosion resistance, and ease of sharpening. CPM 20CV vs S90V. S90V steel is another super steel produced by …, Aug 11, 2023 · The S30V is softer than the M390. With a Rockwell hardness score of 59 – 61 HRC, the S30V is harder than most other steels in the market; but falls behind the M390. As a result, the S30V steel blades are easier to sharpen and offer premium quality service for a long time. , SPY27 is just another attempt to alter certain aspects of S30V to meet customer feedback. People used to complain that it was hard to sharpen, and so there was a lowering of carbon and metal contents to increase the grindability of the steel. Now many say S30V is "easy" to sharpen.