To maximize toughness, use the lowest temperature. Higher toughness at the same hardness compared to AISI M2 tool steel. Combined with its excellent wear resistant properties and good grindability (comparable to conventional M2) CPM M4 represents the best high performance “general purpose” high speed steel on … Its edge holding is excellent. A quench rate of approximately 400°F (222°C) per minute to below 1000°F (538°C) is critical to obtain the desired properties. $14.18 shipping. The primary difference between M2 and M4 … 154CM Both great steels, CPM-154 benefits from a powdered metallurgy and is finer grained than 154CM. This video addresses the subject of toughness testing with knife steel. A large volume of vanadium carbides provides the high wear resistance. CPM s90v Corrosion Resistance: Great Corrosion Resistance due to 14% of Chromium, which makes s90v stainless steel (Once steel has more than 10-12% of chromium in it it’s considered stainless steel). Made from powdered metal, M4 tool steel has a consistent microstructure that gives it outstanding resistance to wear and abrasion. Typical temperature range is 1000-1100°F (538- 593°C). $215.68. Then cool slowly with the furnace at a rate not exceeding 50°F per hour (15°C per hour) to 1000°F (538°C). M4 is one of several tool steels made by Crucible and has been in their inventory for a number of years. M4 Blade Steel Information and Composition This steel gets very sharp. For oil, quench until black, about 900°F (482°C), then cool in still air to 150-125°F (66-51°C). Hold at temperature for 2 hours then air cool to ambient temperature. Continue cooling to ambient temperature in the furnace or in air. Double tempering is required. Trova Produttore Cpm M4 In Acciaio alta Qualità Cpm M4 In Acciaio, Fornitori e Cpm M4 In Acciaio prodotti al Miglior Prezzo su Alibaba.com Powdered steels are more consistent, have better edge retention, and improve toughness … (AISI M4) CPM REX M4HC(HS) is a high-vanadium special purpose high speed steel exhibiting better wear resistance and toughness than M2 and M3 in cold work punches, die inserts and cutting applications involving high speed and light cuts. CPM 4V should be considered for service in fine blanking, powder compaction tools, for processing high-strength low-alloy (HSLA) steels, advanced high-strength steels (AHSS) and applications where a combination of strength, wear resistance and toughness is required. Triple tempering is required when austenitized at 2100°F (1149°C) or higher. CPM Rex M4 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. The high carbon (HC) modification to standard M4 is designed to provide … 7 watching. On the other hand, that is the most popular steel in the market, the steel used in custom knives. The high impact toughness and high transverse bend strength are results of the fine grain size, small carbides, and superior cleanliness of the pwder metallurgy (PM) microstructure. Here on our site, we offer San Mai steel bars that allow knife makers and steelworking enthusiasts to … PM M4 high speed tool steel is a flexible steel that provides a unique combination of high wear-resistance with high impact toughness and bend strength, which are results of the fine grain size, small carbides and superior cleanliness of the steel. CPM Rex M4 HC also excels in cold work tooling applications, where it provides better toughness and wear resistance than high-carbon, high-chromium die steels such as D2 and D3. CPM-154 is an excellent EDC blade steel with above average edge retention, corrosion resistance, and ease of sharpening. It excels in cold work tooling applications, outlasting high-carbon, high-chromium die steels such as D2 and D3. It is well suited for premium cutting tools of all types, particularly those used for machining abrasive alloys, castings and heat-treated materials. For oil, quench until black, about 900°F (482°C), then cool in still air to 150-125°F (66-51°C).For salt maintained at 1000-1100°F (538-593°C), equalize in the salt, then cool in still air to 150-125°F (66-51°C). CPM s90v Edge Retention: With a high presence of vanadium and carbon, s90v steel offers extreme edge retention (might be the best in the steel). For salt maintain at 1000-1100°F (538-593°C), equalize in the salt, then cool in still air to 150-125°F (66-51°C). Alibaba.com offers 889 cpm m4 steel products. We supply in hss steel Round bar, gauge plate steel, pipe / Tube,rod, square, hexagonal, blanks, plate, sheet, precision ground flat bar, precision ground bar … Broaches, End Mills, Punches, Hobs, Fine Blanking, and Forming Dies. If you use M4 to make a knife do most of your finishing before heat treating because it is very hard to finish after. CPM M4 (Crucible) - Crucible's equivalent of the AISI M4 high sped tool steel. Continue cooling to ambient temperature in the furnace or in air. Salt Bath: 2125-2175°F (1163-1191°C), For Cold Work Tooling: Salt Bath: 1850-2100°F (1010-1149°C). Annealing must be performed after hot working and before rehardening. Soak for 20 to 45 minutes. Furnace: 2150-2200°F (1177-1204°C) For Cutting Tools: One thing that has changed about this steel is the … M4 is an extremely versatile high-speed steel with its extremely high carbon and vanadium contents for exceptional abrasion-resistance. Tempering: Temper immediately after quenching. San Mai CPM-M4; San Mai CPM-M4. Chestnut Hunter - USA Made Custom Knife CPM-M4 High Carbon Steel … The CPM-M4 is a very high-performance carbon-steel. Do not temper below 1000°F (538°C). CPM M4 Tool Steel Chemical composition 1.42% of Carbon: It improves hardness and wear/corrosion resistance, but a high amount of it decreases strength. Stainless Steel, Special Steel, Compressor Blading, Turbine Blading, Superalloy Supplier. 4% of Chromium: For tensile strength and Edge retention, and enhances corrosion resistance and wear resistance. TEL:+86-13880247006 E-mail: [email protected] Other Known Names: CPM REX M4®, ASP 2004, S690. FAST 'N FREE. These rods are decarb-free for a uniform surface that will consistently accept heat treating. One of the premier steels for top-quality custom blades and knives used in competitive cutting, CPM M4 is a special purpose high speed steel … CPM Rex M4 HC offers improved cutting tool life compared to conventionally-wrought M1, M2, M7 and other lower-alloyed high speed steels. Best CPM M4 Steel 1. PM M4 high speed tool steel is a flexible steel that provides a unique combination of high wear-resistance with high impact toughness and bend strength, which are results of the fine grain size, small carbides and superior cleanliness of the steel. A brutally tough steel, it bears a fair warning it is hard to work … CPM Rex M4 HC high-speed steel is an extremely versatile high speed steel that provides a unique combination of high wear resistance with high impact toughness and transverse bend strength. Personal experience with M2 is all I have on this subject. Furnace: 1875-2125°F (1023-1163°C) A wide variety of cpm m4 steel options are available to you, CPM REX 54 HS is a cobalt-bearing high speed steel designed to offer an improvement in the red hardness of the popular M4 … Very popular as competition cutting steel of choice. In fact, CPM M4 exhibits the best toughness properties of any high speed steel we currently produce, conventional or CPM. Quenching: Pressurized gas, warm oil, or salt. CPM REX M4 HC(HS) is a high vanadium special purpose high speed steel exhibiting better wear resistance and toughness than M2 or M3 in cold work punches, die inserts and cutting applications involving high speed and light cuts. *CPM, 1V, 3V, 9V, 10V, 15V, S30V, S90V, Rex M4, Rex T15, and Rex 76 are trademarks of Crucible Industries LLC, 2198 S. DuPont DriveAnaheim, CA 92806-61015, 7987 Crest Hills DriveLoves Park, IL 61111, Sales Offices: Tennessee 888-848-0037 Michigan 833-235-1678, All tool steel is sold as annealed with the exception of P20 and 4140HT, which are heat treated to HRC 28/32. PM M4 offers improved cutting tool life compared to conventionally-wrought M1, M2, M7 and other lower-alloyed high-speed steels. This comes at the cost of losing some of its corrosion resistance. CPM M4 provides superbly balances levels of abrasion resistance and toughness through high doses of molybdenum (hence the “M”), vanadium and tungsten together with reasonably high levels of carbon. CPM M4 is a high vanadium special purpose high-speed steel exhibiting better wear resistance and toughness than M2 or M3 in cold work punches, die inserts and cutting applications, but these reasons are why it is widely used in competition cutting blades. Mainly used in custom knives, however several makers including Benchmade and Spyderco made limited runs … To maximize hot hardness, use the highest temperature. We are AISI M4 High Speed Tool Steel main Chinese suppliers, wholesale, distributors and stockholder.And M4 hss steel is a molybdenum high speed steel. Request A Quote View Inventory. Was: $239.65. CPM-M4 is a powder-metallurgical high-performance tool steel that offers excellent edge retention and stability. It can be hardened to around 62-64 HRC but note M4 is a carbon steel is not considered stainless with … :/ Then cool slowly with the furnace at a rate not exceeding 50°F per hour (28°C per hour) to 1000°F (538°C). Heat at a rate not exceeding 400°F per hour (222°C per hour) to 1575-1600°F (857-871°C), and hold at temperature for 1 hour per inch of maximum thickness; 2 hours minimum. Benchmade 810 Contego CPM-M4 Lama in CPM-M4, uno dei migliori acciai utilizzabili per coltelleria Dettaglio lama: Filo piano … The steels used are CPM 4V, CPM M4, and CPM S90V. I have heard great things about it's hardness, wear resistance and toughness but very little about ability to resist rusting.