Steel Composition & Properties. San Mai steel is Japanese in origin and aims to achieve specific goals in its composition and construction process. As for the manufacturing process, Carpenter's gen 2 process should produce as fine powder as Bohler-Uddeholm's Gen 3 PM does. As an deeper analysis of our Guide to the Best Knife Steel, we’ve compiled the reference table below showing the most popular types of knife steel and their composition of the various chemical elements and compositions.You can click on the column to sort the data according to its feature. Carpenter CTS-204P is a powder metallurgy stainless steel. It is highly wear resistant so it will hold an edge for a long time. ... As noted previously – hardness does not imply toughness. And if we take into account all the cutting tests we carried out we can also say that, in terms of performance, they are also similar. CPM-20CV is Crucible’s version of Bohler’s popular M390 steel which also influenced Carpenter to copycat with CTS-204P. CTS 204p Vs M390 CTS 204p. This is deep metal science. Soak for 30 minutes. SBSM Knife Steel Properties Comparison . About the Epoch’s CTS® 204P Steel. ... See more M390 steel knives. I can think of two plates of steel, the M390 from @Bohler and CTS-204P from @Carpanter, the three of the steels have a close chemical composition, and they offer the same properties (High edge retention, high corrosion resistance, high wear resistance, toughness, and hardness), and they fall … Cloné par Crucible sous le nom CPM- 20CV et par Carpenter sous la dénomination CTS-204p … Data Sheets: 20CV Data Sheet CTS-204P … However, another manufacturer of tool steel is Carpenter, known for grades like XHP, B75P, and 204P. Its name, translated from the original Japanese, roughly comes to mean “three parts”, which is a very apt description for the makeup of these blades. As an extension of our Guide to the Best Knife Steel, we’ve compiled the reference table below showing the most popular types of knife steel and their composition of the various elements. Help & support for the Knife Steel Chart for Android. Carpenter began producing CTS-204P, and all three versions have been steadily building in popularity with knives ever since. You can click on the column to sort the data accordingly. Bohler M390 = CTS-204p = CPM-20CV; They're all the same alloy, just from different companies. Either way it is harder to find in Spyderco's and more expensive but not justifiably so. Lower austenitizing temperatures maximize impact toughness. It won’t chip, it won’t dull, and unlike ZDP-189, M390 takes an amazing, gleaming high polish and holds it. In a carbon-rich alloy like CPM 20CV, the process of austenitization heats the steel until its crystalline structure changes to become austenite instead of ferrite. Known Aliases:Carpenter - Micro-Melt 20-4p, Interactive Knife Steel Composition Chart, M390 steel - Benchmade 810-1401 Contego knife review, M390 steel - Benchmade 805-1101 TSEK M390 LE knife review, M390 steel - Custom Knife Factory Tashi Bharucha Design Muscle knife review, M390 steel - Zero Tolerance ZT0562CF Hinderer Design 0562 M390 CF knife review. Pretty much every steel manufacturer makes it and it's quite popular with knifemakers, custom and factory alike. PM2 in M390, CTS-204P and CV20 same manufacturer, same model. The various cutlery steels may be filtered by type: Stainless; Non-Stainless; Alternate Alloy (generally, alternatives to steel) Composition between the two is almost the same. Quickly plate or air quench to 125°-150°F. The Socom Elite Auto from Microtech sets the standard for tactical/utility cutlery. The alloys listed are those that have been or are currently being used in cutlery manufacturing, or have the potential to be used. Ordering Information: Take, for instance, CPM 20CV and Carpenter CTS-204P. Simply press the push button, and you're good to go. This model features a stonewash CTS-204P stainless steel drop point blade and a green aluminum handle with grip inserts, pocket clip, lanyard hole, and glass breaker. Steel Composition Chart. Any other combination comes from a tool steel hence CTS 204P, comes from a stainless tool steel Micro Melt 20-4. How Good It Is? The composition is almost identical to Bohler M390. The components and production process are similar. Never tried a Microtech (no auto’s in Canada) or Fantoni. Carpenter Technology CTS 204P (Powdered Stainless Steel) HF-Hot Finish and Annealed . As a Powder Metallurgy (PM) tool steel, you get a combination of impressive wear resistance and edge retention plus the added benefit of being highly corrosion resistant due to high levels of chromium. 20CV and M390 are shown in the table above for comparison purposes. Carpenter® CTS® 204P alloy is a highly wear and corrosion resistant, air hardening martensitic cold-work stainless die steel produced using Carpenter’s Micro Melt® powder metallurgy (P/M) process. Carpenter CTS™ 204P Alloy Page:1of5 Type Analysis Carbon 1.90 % Manganese 0.35 % Silicon 0.60 % Chromium 20.00 % Molybdenum 1.00 % Vanadium 4.00 % BD1 is excellent budget steel, very similar in composition and performance to GIN-1, a Japanese steel used a decade ago by Spyderco. I've used both M390 and CTS-204P, and both perform very very well. Help & support for the Knife Steel Chart for iOS. From my experience with CPM-20cv, it's not even close to as brittle as S90V, easier to sharpen, and hold an edge just about as long. What Makes a Steel? D2(AISI) - First appeared during WW II, semi-stainless tool steel. Therefore among available knife steels we would expect a steel like 15V or Rex 121 to have the best slicing edge retention because of … CTS 204P and M390 are essentially the same (minor differences, I believe), but one batch could be heat treated differently from another which would account for the greatest difference between them. Keyboard Shortcuts - click to see the list.Select steels from the Interactive Knife Steel Composition Chart. As an extension to the post on the different types of steel used in the knife shop I have created a composition table of the reference steels that shows the most popular types of aciaio for the construction of knives and their composition of the various elements.. Pretty cool stuff really. M390 (and its Brothers by other Mothers–20CV and CTS-204P) This steel has 95% of ZDP-189’s hardness, but with better corrosion resistance and toughness. Is one of these types of steel better than the other? Really the best steel IMO There is an email response from a Carpenter employee on the Spyderco forum [5] that provides some information on their powder metallurgy process. I've used both M390 and CTS-204P, and both perform very very well. The steel with the highest slicing edge retention has the maximum amount of vanadium carbide and it is heat treated to a high hardness. The composition is almost identical to Bohler M390. CTS-204P is indistinguishable from it in use and 20CV in my use pulls ahead of both. From here you should be able to crack the code on CTS 20CP and its origin Micro Melt 420-CW. To the compare by cts 204p vs m390 now the described the cts 204p.The nearly four-inch blade is created of fine-grained CTS 204P, a challenging, use and deterioration proof metal ready for hard-duty. Copyright © 1999-2015 Alpha Knife Supply LLC™ - AKS™. Not really. CTS-204P(Carpenter) - Carpenter's equivalent of Bohler-Uddeholm M390 steel and Latrobe Duratech 20CV steel.Slightly more Tungsten(W) 0.65% instead of 0.60% in other two. CTS 204p steel is one of the best materials used to make premium knives. Blade Steel: CTS 204P Rockwell Hardness: 60-62 Locking Mechanism: Frame Lock Handle Material: Blue G-10 Liners: Titanium Fittings: Titanium & Stainless Steel Pocket Clip: R/H or L/H, Tip Up or Tip Down Country of Origin: Taiwan I am always glad when people are on the same page as me when it comes to edge geometry over steel composition! No. 1.5" Wide 20CV and M390 are shown in the table above for comparison purposes. A high degree of corrosion resistance and wear resistance. If you would like information about placing an order click here. Temper: Temper immediately after cryo or quench if cryo is not performed. Typical Chemical Composition The only other letter we use is a Z which refers to a razor blade design (CTS BDZ1). Carpenter CTS-204P is a powder metallurgy stainless steel. Composition-wise it's almost a stainless steel. Very popular even today. The grade is used in high end cutlery and applications requiring . here. Temper for 2 hours. Mouse over element names to get quick help on its effects in the alloy.Mouse over multi alloy graph bars to see exact values. The steel saw little use in knives until Latrobe steel copied M390 and sold it as 20CV, which then became popular with several production knife companies. As for controlled side-by-side testing, this test showed them to be pretty comparable as well. First, let’s take a look at the more common elements used to manufacture steel. Un des aciers inox les plus performants: sa composition lui permettant, en plus d'être vraiment inoxydable, de proposer une tenue de coupe exceptionelle avec une résilience acceptable pour ce type d'acier. Use the table below to select the rockwell hardness. A hard blade designed for edge retention like a CTS-204P Southard by Spyderco will not be tough in terms of tensile strength. CTS-204P … To see links to the informational pages click Bohler M390, CTS-204P, and CPM-20CV are all essentially the same steel and sport a near identical composition. Generated 54886237 times. Select steels from the Interactive Knife Steel Composition Chart. CTS™ 204P is a powder metallurgy, chromium/vanadium stainless steel. With significant amounts of Chromium, Molybdenum, Vanadium, and Tungsten, these steels are 100% ready for action. Information Pages: It is highly wear resistant so it will hold an edge for a long time. When you make an alloy like CTS™-XHP most people think of melting iron in a huge caldron. For maximum edge retention, go CTS 204P. REC Spyderco Paramilitary 2 PM2 CTS-204P Rivers Edge Cutlery RECPM2 C81GPODFDE2. CTS-204P. Cryogenic Treating: Cryo is recommended for austenitizing temperatures at or above 2100°F. Since it is such a high-quality material, many well-known knife makers… Read More » CTS 204p Steel For Knives Review – What Is It? Along with CTS XHP, these include CTS 204P, CTS B70P, CTS B75P, CTS BD1, CTS BD30P, CTS 204P, CTS 20CP, and CTS 40CP. We have several pages of information about materials and other subjects. Yes M390 is Hyped up people know the name or like the letters and numbers combo ???? CPM 20CV is a martensitic steel, which refers to its hard crystalline structure with lens-shaped or lenticular grains. CTS – 20CP; CTS – 204P; M390; Above-Average Premium Steels. Higher austenitizing temperatures maximize edge holding. Cool to -100 °F, removed from cryo and allow blade to warm to room temperature in cool air. Austenitize: Heat rapidly to 2050°-2150°F. Beginning with the inception of the CTS suite as a product line, Spyderco has used as many as nine of the CTS family of blade steel alloys in its products. Carpenter CTS-204P and equivalent steel knives reviews. 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