Sometimes referred to as the crucible stainless steel, 154CM is one of the newer stainless steels on the market. (AISI 440C Modified) CPM S60V is a unique tool steel made by the Crucible Particle Metallurgy process. Its corrosion resistance is very good however. An air-hardenable non-stainless tool steel that has improved toughness and wear resistance over D2 steel. There’s no doubt—H1 is a specialty steel. This is one of those most ubiquitous steels in knives. Looks like they are better at corrosion resistance and marginally worse at wear resistance. Corrosion Resistance: Being stainless steel with more than 14% of Chromium in it, 8Cr13Mov steel offers a great Corrosion Resistance. It is designed from a 440C stainless base analysis with added high carbon and vanadium for exceptionally good wear resistance. View Profile View Forum Posts Private Message View Articles Flashaholic Join Date Feb 2007 Location USA Posts 297. 440C is a hardenable chromium steel. http://www.simplytoolsteel.com/420HC-stainless-steel-data-sheet.html. 440C; 14C28N; Whilst this list is nowhere near exhaustive, it really does bring home how much variety there is in the world of high end cutlery. When cherry picking argument points against 440C, and in factory data sheets, wear resistance is often thrown out there, because it is important. D2 is a die steel, thus the designation "D." It's part of the family of Tool Steels, steels used to work and form metals, woods, plastics, and other industrial materials.These steels must withstand shock loads, rapid temperature changes, high wear uses, and are generally the toughest, most wear-resistant steels made. If you're looking at an AUS-8 knife, make sure you're buying from a maker who's up to snuff. However, it Because of this it has good rust resistance. 10-24-2008, 02:13 PM #6. S30V steel is a popular stainless steel, which, like ELMAX, is a powder-made steel. D2 is a steel normally used to create large industrial tools needed to cut and stamp softer forms of steel. Custom Hunting blade D2 has almost twice the carbon of 440C and you can harden & temper it to get the balance of properties. In the world of budget priced knives you normally get 8cr13Mov or 440c for blade steel. Here are some salient points to ponder, particularly if you're one of those people that think that plain carbon steels are superior in performance to 440C. D2 Bob Dozier’s general-purpose D2 blade. Steel type: D2. Press question mark to learn the rest of the keyboard shortcuts. N690 Bohler Steel is extremely fine grained creating a blade that will retain its sharpness when subject to periods of use. This is the main reason that knifemakers who hand forge do not use 440C; it's the wrong steel for that application. ). Good edge retention, toughness, and sharpenability, D2 has been a popular knife tool steel dating back to WWII, and for good reason. 420HC 440C; EDGE RETENTION: 2/10. D2 Tool Steel. 8CR13MOV VS Steel . Advantages: Very corrosion-resistant, relatively easy to sharpen. See more VG-10 steel knives. Genuine D2 Knives 440C Steel are genuine knives made with the best quality materials. D2 steel micrograph. Christopher Wade. It is usually heat treated to reach hardness of 58–60 HRC.It is a bearing steel, and used in rolling contact stainless bearings, e.g. With its high chromium content it had a unique position in the stainless vs carbon steel debate. Like the 420HC stainless steel, the 440C stainless steel has the ability to developing a greater hardness than other grades in the 400 series when heat-treated. Difference between carbon steel and stainless steel. The 10XX (1045, 1095) Steels - 1095 is the most common 10XX steel (or \"high carbon\" steel) used for knife blades. The steel companies typically want to sell steel in large quantities to large customers. D2 is a very hard steel and has very good edge retention, but it doesn’t have a high toughness, this means it’s very hard to sharpen, and takes a lot of time and practice to master. D2 tool steel is semi-stainless because it has a high chromium content. Again, like the 420HC stainless steel, the 440C stainless steel possesses a high resistance to abrasion, corrosion and … Industry experts consider both ATS 34 and D2 steel as high-end steels. It is a good choice. 440C is a hardenable chromium steel. After spending most of his career as a firearms expert and instructor in Nebraska, he retreated to the great outdoors to enjoy retirement. CrMo/CrMoV Series Chinese and American stainless steels; the manufacturers are unknown with the exception of 14-4CrMo which is manufactured by Latrobe Specialty Metals. For those applications where superior machinability is desired and where slightly lower corrosion resistance is satisfactory 440C can be supplied. It has shown excellent wear resistance and edge retention and is tougher than most stainless steels, such as ATS-34, although less so than other non-stainless grades. Steel Processors and Suppliers. I got a lot of nameless steel knives... my bet is they're 420 and with a really poor HT). Very high strengths can be achieved with martensitic stainless steels, like grade 440C; and precipitation hardened stainless steels, like grades 17-4 PH and 15-5 PH. 8CR13MOV VS 440C. The same scale lists the qualities of 440C steel as a,” high chromium stainless steel which exhibits an excellent balance of hardness and corrosion resistance. Christopher’s expertise in handling firearms and hunting gear are what propelled him to … D2 also has high carbon content that makes it hard. Yet when compared to ELMAX, it does not perform as well. What it is: 440C is a relatively soft, cost-effective stainless steel. that said, I don't really have first-hand experience with any of them. This is one of those most ubiquitous steels in knives. The base data on both 440c and 420hc is actually pretty impressive to my eye. 420HC VS Steel . Let’s face it, all blade experts will tell you that the finer the steel grain - the better the edge retention. 440c is mid-range (that used to be a high-end) stainless steel that offers great corrosion resistance and great wear resistance, and will take a great mirror polish so the answer is YES, It’s a good steel for knives, but It has low toughness. 420 grade stainless steel has a composition of 12 to 14 percent chromium, 0.15 percent carbon, 1 percent manganese, 1 percent silicon, and tiny amounts of phosphorus and sulfur. That is definitely not D2, with chineese knives steel type is more exaggerated than lumen numbers with chineese lights. D2 steel blades. Difference Between 440f And 440c Stainless Steel . It has one of the highest attainable hardnesses of the corrosion and heat resisting grades. So in essence, 1095 steel would have more wear resistance, but would also be less tough. Why take the time to make a full tang hardwood handle and leather sheath if the blade itself sucks. It is much tougher than most stainless steels, but not as tough as most of the other tool steel. D2 is also an “air hardening” steel and has high tempering resistance meaning it is just as difficult to achieve a differentially hardened blade as it is with stainless steels. D2 tool steel is used to make dies that requires close tolerances, cutting properties and long life. 420hc's main advantage is its relatively high edge stability, D2 is among the worst steels for edge stability, meaning it chips easily if the cut is not completely straight. I don't know who made that chart but they got something seriously wrong on a lot of points. There are a few manufacturers as we mentioned earlier, and depending on a few different factors, it may be considered better than (or at least as good as) 440C stainless steel. D2 is more time consuming to sharpen yes, not harder, only more time consuming, but the edge retention is better then on 440C in my experience and I have 440C heat treated by a custom maker. In operation since 1998, BladeForums.com has led the industry since Day 1. Cookies help us deliver our Services. I've heard D2 is extremely tough but is prone to chipping. If your lookin at any chineese knife that claims anything other than 440c or 8cr13mov (or similar) pretty much blow it off right away. 420hc doesn't get as hard as D2, and isn't as highly alloyed, so for abrasive wear resistance its a fair bit worse. It is a good choice. D2 has almost twice the carbon of 440C and you can harden & temper it to get the balance of properties. I decided to do this on 20 point scale, where I assign a maximum of 5 points to the 4 categories of Ease of Sharpening, Toughness, Edge Retention and Corrosion Resistance. Loads of different knife and tool companies’ use this steel and for good reason.Ka-Bar D2 ExtremeVG-10This is another steel you’ll see highly championed by the likes of Spyderco. (The following are sorted by first number.) Yup. 440C is a highly corrosion-resistant tool steel. ... 440C is a good all-round steel that has now been overshadowed by many of the newer super-steels on the block. D2 does however have fairly high impact toughness and wear resistance, the impact toughness does however become fairly irrelevant due to its low edge stability. Christopher Wade is a true outdoorsman. About the author. Re: Blade Material: 440c vs 154cm Without repeating too much of what has already been said, 440C is older than 154CM. 0 3,428. It has great edge retention but can be very difficult to sharpen. Decent enough but nothing to write home about. D2 Steel - This steel This is not technically Stainless, but Tool Steel. D2 has somewhat better wear resistance and toughness than 440C, the most commonly used stainless steel in the 70’s, so for makers who felt that the stain resistance of D2 was “good enough” it could offer superior properties. New comments cannot be posted and votes cannot be cast, Press J to jump to the feed. What it is: 440C is a relatively soft, cost-effective stainless steel. A quick and dirty viewpoint. For example the D2 knife is very close to the CPM-10V one on rounds one through three, but suddenly in round four it is taking three times as much blade length, showing a large drop in relative sharpness. It 's amazing looking at an AUS-8 knife, make sure you 're looking at an knife... Because stainless steel steel or a corrosion-resistant D2 tool steel i hear Buck has an excellent treat! Of 14-4CrMo which is popular with forgers slightly lower corrosion resistance and marginally worse at resistance. 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