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. By. However, the high degree of hardness makes this steel difficult to sharpen. 59.5-61: Sandvik 12C27: This stainless steel is made in Sweden. Sep 12, 2015 #3. It is also a powder made, sintered stainless steel. 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. Similar to 440A stainless steel, but with a formula that has added molybdenum and vanadium to improve hardness and wear resistance. TOUGHNESS: 5/10. Extremely tough blades may not cut as well as desired and can suffer from edge rolling and difficulty maintaining an edge. Like any steel though, not all S30V or S35V steels are equal. S125V is another notch below those other steels because of its greater … I have used S30V for quite some time and have less experience with S110V but some. In the S35VN datasheet the edge retention of S35VN and S30V are both listed as 145% (of 58-59 Rc 440C) with an asterisk next to S35VN that says, “Estimate based upon market feedback.” A hardness value is not provided for either steel. A high chromium content stainless (14 percent) that contains molybdenum and vanadium, which enhances the toughness, corrosion resistance, and edge holding ability. Therefore if you’re reading this blog post, it means you’re interested to know more about the S30V steel, luckily I answered all the common question (like What is it? For example, S30V had increased Mo over the earlier S90V/S60V for improved corrosion resistance, and that trend continued thereafter with other Crucible products. A freezing treatment may be added between tempers. Steel Chart. I wrote about the history of 154CM As always if you have another opinion about the CPM S30V, please share it on the comments below, I ‘ll gladly discuss knives. Chris Reeve is famous for developing two steels directly with Crucible Industries, and boy did this partnership result in an awesome product. HRC: 59.5–61. Blade steels with an insane amount of hardness (pushing towards 70 HRC) tend to lack stability and can suffer from cracks, chipping, and total failure. Before continuing reading, I’d like to announce, I m a huge S30V steel knife fan, so I’ll be speaking positively about it, I find it very balanced, really great for humid environments and wet usages, holds an edge for long, just what I need, but it’s a bit expensive (which is understandable), so if you’re wondering “Should I buy the S30V” my answer Is YES GO FOR IT!, you won’t regret it!. See more S30V steel knives . First, the thick 3.42” blade that comes with S30V steel which offers great toughness, great corrosion resistance and wear resistance, and it will hold an edge for long, second the compression lock (is a revers liner lock it’s in the back) it’s a very solid locker that will prevent your blade from playing, the advantage of this lock is that your thumb will never come in the blade path when closing it, and last is the ergonomics are just good, fit rights in hand (Spyderco being Spyderco I love their designs) whit a good placement for finger (Choil and thumb space), I just love it, sp if you’re looking for an EDC with S30V Steel, just take the PM2, you won’t regret it. Checkout Deals of the Day on Amazon, How hard is s30v steel? As you can see, the CPM S30V is stainless steel with 14% of Chromium, high in Carbon (more than 1% of carbon), high in Molybdenum and Vanadium which makes high-end stainless steel. S30V Hardness or Rockwell Hardness, Esee Izula 2 Vs Esee 3 – A Full Comparison Of Esee 3 Vs Izula 2, ESEE 6 VS BK7 – full comparison of Bk7 Vs ESEE 6, Gerber Prodigy vs Strongarm – Full comparison of STRONGARM VS PRODIGY. 1,914. In this video I will be showing my process of heat treating CPM S90-V steel and checking the hardness. Corrosion Resistance: with 13% of chromium in it, the 420hc offers great corrosion resistance. This is a powder-metal steel also produced by Crucible. [4] It contains: Carbon 1.45%, Chromium 14.00%, Vanadium 4.00%, Molybdenum 2.00%. Click here to download a PDF of this steel chart (107kb) Click here to download a two-page brochure with more details about steel(14 MB). 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. This steel is double tempered for hardness and edge retention.It has excellent corrosion resistance, but is slightly more difficult to sharpen. EDGE RETENTION: 7/10. The S30V Blur has a stonewashed finish for a roughed-up, non-reflective look. According to @Curcible, the Rockwell Hardness of S30V is 58-61 HRC. Exhibiting very good edge retention, corrosion resistance, and sharpenability, S30V is utilized by a variety of makers for its performance and balance. This blade is set up for hassle free sharpening, out of the box. SHARPENING EASE: 5/10 S90V. [5] Joe Talmadge claims it might be the ultimate high-end all-around stainless steel, due to high performance coupled with easier machinability and sharpenability than the other steels in this class. Before you get confused, they’re both the same steel (CPM S30V is Crucible Particulate Metallurgy S30V), now let’s go back to our main question, is the S30V good steel for our knives, before answering this question, we’re going to go through all details concerning the S30V steel. We’ve already briefly mentioned some of the primary culprits of corrosion, but there are more. S30V Hardness or Rockwell Hardness A ccording to @Curcible, the Rockwell Hardness of S30V is 58-61 HRC. 19,374. Seth Vietti - February 12, 2021. So, just close. Sharpness: the sharpening of the CPM S30V is not an easy task, the harder the steel, the harder to sharpen it. What is the hardness (HRC) of Sandvik 12c27 steel According to @Sandvik, the Hardness of the Sandvik 12c27 steel is 56 (HRC). If you’re using it as a knife, once you finish using it A simple wipe will keep your knife rust-free. Hardness After Heat Treatment: Rockwell C60 With excellent strength and wear resistance, S30V stainless steel is a preferred material for knives and cutlery. [1] These vanadium carbides give the steel a very refined grain, further improving the sharpness and toughness. Buck Knives calls it "the absolute best blade steel available". This is a powder-metal steel also produced by Crucible. Like any steel though, not all S30V or S35V steels are equal. Edge stability is greater in lower carbide steels as long as the hardness is in the upper range. CPM® S30V® offers substantial improvement in toughness over other high hardness steels such as 440C and D2, and its corrosion resistance is equal to or better than 440C in various environments. It is so expensive that it strongly affects the price of the knife, and is largely used in higher-end production and custom knives. Therefore our S30V is stainless steel with 14% Of chromium with great corrosion resistance. I should qualify something really quick, though since we are talking about two different types of steel. 01 and W1 Drill Rod; 15N20 2% Nickel Steel; Tool Steel; Stainless Blade Steel; Carbon Steel; Etching Supplies; Spring Steel; High Speed Steel; Damascus Steel . IMO..in general . Get a free guide on Knife Sharpening to find out how you can achieve more. Molybdenum is added with vanadium and tungsten and a ton of carbon to create a knife with a hardness level that exceeds S30V and S35VN, coming in at up to 65HRC.
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