This is most often accomplished through immersion in liquid nitrogen. This process of “freezing metals” to a cryogenic state is often referred to as an extension of the heat treatment process. Hold the metal with a pair of metal tongs. When austenitic steels are subjected to proper deep cryogenic temperatures, the material also responds with a change of … This slow descend to cryogenic temperatures helps prevent stress on the material. For many custom makers, the benefits of cryogenic quenching are proven in the knife’s overall performance. It is best that the parts are Cryo treated separately and then assembled. This cryogenic fluid can be used for liquid nitrogen projects and the materials are easy to find. In cryogenic treatment materials are treated at -196°C for a soaking period of 24 hours. From the ASM page: Cryogenics: The Racer's Edge: Cryogenic treatment of metal parts is performed at temperatures below … Thank you! Technically, cryogenic treatments are most effective as an integral part of the original quench, but due to the high risk of cracking, it’s recommended that tempering or a snap temper be performed before any cryogenic treatments.”. Thankyou to all of our wonderful customers over the years, if you'd like to learn more about the process please contact Jim via the Contact Us page who will be happy to help you … A cube with 14 atoms, one in each corner and one in the center of each face of the cube, is face-centered cubic (FCC). Disclosure: These links are affiliate links. Menu. Cryogenic treatment and it’s effect on tool steel 679 Figure 7. 1 Knife Publication. Real cryo is done with liquid nitrogen. As metal objects cool, they shrink. It doesn’t treat any cancer cells in other parts of the body. Cooling the steel to cryogenic temperatures furthers the conversion to martensite. After the treatment the body’s immune system gets rid of the dead tissue … The camshaft is also a high wear area of a performance tuned engine and will benefit from Cryo treatment. Blade Magazine Cutlery Hall-Of-Fame© member Paul Bos began heat treating knife blades in the 1950s. The cryogenic process is like putting stuff in a blender with clumps and pretty soon everything is mixed in a fine solution. The cryogenic quench itself is performed primarily in two ways: shallow and deep treatments. December 2020; Materials and Manufacturing Processes; DOI: 10.1080/10426914.2020.1843668 The coatings actually adhere better. Get Listed Now. “For various reasons, however, in some cases transformation to martensite may not be complete even at room temperature. Since the U.S. military became involved in cryogenically quenching steels during World War II and required it in the … It is a one-time treatment and all benefits stay with the knives after each re-sharpening or polishing. Cryotherapy is a pain treatment that uses a method of localized freezing temperatures to deaden an irritated nerve. A knifemaker since 1994, he does, however, note that simple steels do not seem to exhibit enhanced performance as a result of the procedure. I have read that this metal can be cryo treated with dry ice and does not need a soak but to bring the metal to -95°F and then temper twice at 2 hrs each. I always get a big difference, probably a 40-to-50-percent difference in edge-holding capability, as the cryogenic quench refines the grain of the steel.”. . This treatment is performed by slowly cooling the parts in a controlled bath of liquid nitrogen or other refrigerant, and holding the parts until the temperature has reached the target temperature, then returning the part to room temperature. Cryogenic Treatment. Most cryogenic treatments need colder temperatures and use liquid nitrogen at -328°F (-200°C). Steel’s structure commonly is cubic. This discussion will explain the practices employed in the cold treatment of steel and will present some of the experimental results of using cryogenic … According to the creators of this cryo tool, if the device isn't solid metal (and only metal-coated), then your body temperature will warm it up after a few rolls. This gives your parts stability, reliability, eliminating microscopic stress fractures, promoting cooler running thermal temperatures and a longer service life to your parts. Reduces migraine symptoms. Contact Us & … Industrial. Further transformation to improve the performance of metal materials. Hi all, Is there anyone on this forum who works with Sandvik 12c27 stainless? Cryogenic stress relief treatment for metal parts increases the strength, durability, and tolerance of industrial parts and components. Cryo also creates a better conductor giving the metal better electrical conductivity. Motor Sports. The so-called cryogenic treatment is to use liquid nitrogen (-196 ° C) as a cooling medium to continue the cooling process of the quenched metal material to a temperature far below room temperature, which promotes the acquisition of residual austenite after conventional heat treatment. The whole cryo thing is really just a continuation of the quenching process. For that reason, cryogenic treatment is performed using computer-controlled temperature changes. The computer controlled vapor cryogenic process involves an 8 hour rampdown from ambient temperature to -310°F, “soak” or hold at -310°F for 10 hours, and a rampup to ambient temperature of at least 24 hours. Contact us today. With the -195 C temperature and shrinkage that results from LN2 immersion, the crystal boundaries of metal conductors align more closely with one another increasing conductivity and … How long should the knife soak in the dry ice mixture (91% ISO Alcohol and dry ice)? Effect of Cryogenic Treatment of Metal. In such cases, some of the high-temperature microstructure, or austenite, may be retained after normal heat treating.”. The coatings actually adhere better. “I recommend it for those makers using complex steels, and I’m only charged a small amount for the blades I send for cryo treating,” Beaty noted. Manufacturing - Cryogenic treatment of metal Florida Manufacturing - Cryogenic Treatment Of Metal Business Directory. These desirable changes are why many knife and sword makers use this process as it gives metal a more uniform hardness and greater … It really does not add much to the overall cost of the knife. (Buck Knives photo), Given the right steels, cryo treatments can enhance overall performance as well as aesthetics. Whether called cryogenic quenching or the probably more correct cryogenic treating of the steel, the process of freeze treating to help make a steel the best performer it can be is nothing new. The resulting part will have low distortion tendency, and often is significantly stronger and tougher. Deep Freezing / Cryogenic Treatment. We strive to eliminate reactive maintenance in your operation with our flexible cryogenic … So don't believe those pushing products treated in dry ice. Contact. Blade Magazine Cutlery Hall-Of-Fame© member Paul Bos said he may do a single blade or put a large quantity in a basket for immersion at one time, and control the rate of cooling and return to room temperature precisely. To obtain the maximum formation of martensite, two or more complete tempering cycles are necessary following the sub-zero cryogenic quench. The metal is kept at this freezing temperature up to 24 hours before it’s brought back up to around 149°C using heat tempering. During the cooling or solidification phase of the wire manufacturing process, molecules are trapped in a haphazard pattern. Once you do the cryo on a steel, then the austenite dissipates and you are left with a fine grain structure.”. Localized treatments include the application of ice or gel packs, ice massage, or cryotherapy machines (for post-op) for 20 to 30 minutes at a time, several times per day, especially after physical therapy or exercise. Since the U.S. military became involved in cryogenically quenching steels during World War II and required it in the manufacture of various defense-related products, several methods have been evaluated with the same goal in mind: optimizing the amount of martensitic iron in the structure of the steel while minimizing the residual amount of austenitic iron. Cold treating of steel is widely accepted within the metallurgical profession as a supplemental treatment that can be used to enhance the transformation of austenite to martensite and to improve stress relief of castings and machined parts. This business has been sold and transfered. Circle City Cryogenics 2243 Massachusetts Avenue Indianapolis, IN … Read More . It’s used after the quench in an effort to achieve more complete transformation of austenite to martensite [martensite being the hardest of the transformation products of austenite]. From a knife buyer’s standpoint, a cryogenically treated blade could make the difference in performance and easily justify any minimal added expense. After the cryogenic treatment of metal … During cryotherapy treatment the doctor freezes the cancer cells to kill them. Cryogenic Treatment for Extended Wear and Stress Relief of Metals. Cryogenic Treatment of Materials Cryogenic Treatment of Materials weed78 (Mechanical) (OP) 6 Apr 06 07:40. In order to compare the level of improvement on the wear resistance provided by the DCT with a more traditional technique, a test matrix which included DCT, CrN coated … | Privacy, FROZEN SHARP! Our predictive maintenance through cryogenics ensures a longer-lived, more standardized component. Welcome to the world of cryogenic treatment. Back then he worked in the aircraft industry and treated a number of components. Cryogenic Treatment Cycle Practiced By NFC, Tool Room. Controlled Thermal Processing is a leader in the science of Deep Cryogenic Treatment of materials to impart wear and failure resisistance. About DCT. The improved mechanical properties are imputed to the low temperature conditioning of martensite in ferrous metal such as tool steel and second phase precipitation in non ferrous metal … This cryogenic fluid can be used for liquid nitrogen projects and the materials are easy to find. Just as the heat treatment of metals accomplished through heating and cooling, cooling metals down close to absolute zero (deep cryo is at least -190C) can also change the performance of the metal. Read More . your search returned 1 result . Often the cryogenic treatment is actually performed between normally scheduled multiple tempers. “The newly formed martensite is similar to the original as-quenched structure and must be tempered,” Devanna warned. Early on in cryo treating, there were problems with the metal becoming brittle and warped. In the shallow treatment, the blade steel is brought to approximately -112°F for five hours, while in the deep treatment it is reduced to roughly -321°F for about 35 hours. Add your website links, social media, business information and more. Can I start the heat treat with the knives in the oven or do I put the knives in once the oven reaches 1560° F? It … During cryo processing, metal is slowly cooled, usually using liquid nitrogen. Just as the heat treatment of metals accomplished through heating and cooling, cooling metals down close to absolute zero (deep cryo is at least -190C) can also change the performance of the metal. Cryo-Treatment is a one time metal improvement process stemming from NASA’s discovery of the amazing strengthening effects created by extremes of cold and heat on space and satellite vehicles. It has shown significant changes in the microstructure and mechanical properties of materials. get credit report. Though he admits there are skeptics, Beaty says the enhancements of the cryogenic quench are real. Cryotherapy is called a local treatment, which means that it only treats the area where you have treatment. Cryogenic Processing Machines. The cryogenic treatment of metals for the purpose of increasing wear resistance and permanent stress relief, with a single throughout treatment, is fast proving itself more than just a fad. Cryogenic Processing of metal at temperatures at or below -195 C causes molecular changes to occur. Arrow Cryogenics provides proven cryogenic stress relief processes that provide strong, durable parts for numerous industrial applications. Advertisement. Cryogenic treatment is followed by a post tempering process for additional material refinement. Once a month I’ll cut rope, cardboard and leather. Cryogenic Treatment of tools and knives uses computer-controlled time and temperature profiles to gradually bring the steel to cryogenic temperatures of -300°F. However, the process is specialized and requires close attention to actual temperature, levels of exposure, and the time intervals involved in raising and lowering the temperatures of the steel itself. Austenite makes steel brittle, and under a microscope you can see what looks like little clumps of carbon. Cryogenic Metal Treatment Systems Shown above, the ESS Metal Cryogenic Hardening System is an elegant solution to cryo treatment of long strips of metal such as reels of razor blade. Our predictive maintenance through cryogenics ensures a longer-lived, more standardized component. “Once the steel gets past -100°F it’s in a state where you aren’t hurting it, but you can’t leave it in there too long,” Bos added. We strive to eliminate reactive maintenance in your operation with our flexible cryogenic applications. All of our wire and connectors are cryogenically treated, either by the manufacturer (in the case of Furutech connectors), or at our local cryogenic treatment facility. When the liquid stops bubbling, remove the metal from the container and wipe off any excess liquid. When doing the cryo treatment on the above ste “I do both forging and stock removal,” Beaty remarked, “and basically you find most of the benefit in the more complex stainless steels. Make your own homemade liquid nitrogen substitute. Cryo Treatment transforms the micro-structure of metals permanently and irreversibly. Cryotherapy to treat tissue located outside the body uses a cotton swab or spray device. 1. I have read this in … Copper, like silver and other highly conductive metals, has … How long will I need to hold at that temp to equalize? For the custom maker, outsourcing cryogenic treating remains the most efficient method of getting the job done. When tools and other heat treated metals are cooled to very cold temperatures, -120°F or below, unstable phases are transformed, making the part very stable at normal use temperatures. According to cryogenic treatment research done by Dr. Randall Barron from Louisiana State University, there are two primary mechanisms at work in the cryogenic treatment process. He stressed that the blades always should be allowed to cool to room temperature between tempering sessions. In addition to seeking enhanced stress relief and stabilization, or wear resistance, cryogenic treatment … Then, use a pair of tongs to carry the steel to a container filled with water or vegetable, and submerge the hot metal in the liquid. thread330-151671. Both factory and custom knifemakers take advantage of cryogenic quenching, and the process may be performed on a single blade or hundreds at a time. There is evidence, however, that cryogenic treatment of steel, in which material is brought to a temperature of the order of -190°C (-310°F), improves certain properties beyond the improvement attained at cold treatment temperatures. Bos’s career has spanned decades of heat treating blades for Buck and for a vast number of custom makers, including some of the most famous of all time. For more on the latest knives, knife legislation, knifemaking instruction, knife trends, knifemakers, what knives to buy and where and much more, subscribe to BLADE Magazine, the World’s No. Cryogenic treatments were discovered by accident. Unlike quenching, where a hot metal is quickly cooled to create a hard crystal structure in the metal, cryogenic treatment is done by cooling … … “Some guys go right from the quench into the cryo, but the blade could crack or break, and I don’t do that because I can’t take a chance with my customers’ blades.”. Localized cold therapy affects the superficial tissues as soon as 5 minutes after application. The Science. Treatment for pilger mill tools Step Conventional Cryogenically 1 Stress relieving at 560 C Stress relieving at 560 C 2 Pre-heating at 560 C Pre- heating at 560 C 3 IInd–heating at 830 C IInd –heating at 830 C We sell world wide. With the proper cryo equipment the ultra cold, cryogenic … Cryogenic metal treatment is perfect for industrial applications where durability directly impacts the bottom line. A cryogenic treatment is the process of treating workpieces to cryogenic temperatures (i.e. Cryogenic treatment of metals, plastics and polymers is a cryogenic process utilizing ultra-low freezing cold temperatures where vapors of nitrogen are released just above their boiling point (-320.4°F / -195.8°C) through a methodical computer controlled process invented by 300 Below, Inc. Have your container of room-temperature oil or water available for cooling. Cryogenic Processing of metal at temperatures at or below -195 C causes molecular changes to occur. The choice of steel apparently drives the benefit of the cryogenic quench. In this article we only … Cryo also creates a better conductor giving the metal better electrical conductivity. As a metal cools from a liquid state to a solid state, the atoms arrange themselves in a specific, ordered pattern, also known as a crystal structure or crystal lattice structure. “Most tool steels actually develop their hardened structure, or martensite, during the quench,” he continued. Keep in mind that cryotherapy is most effective when it is used as a relatively continuous treatment, in conjunction with physical therapy, a home exercise program, or during physical activity (sports rehabilitation). With capability to efficiently maintain cooling at -80°C this closed loop system provides a cost effective solution which eliminates the expense and hassle of using […] This is most often accomplished through immersion in liquid nitrogen. Cryotherapy can help treat migraines by cooling and numbing nerves in the neck area. Tuners tips on "Cryogenic engine treatments" Cryogenic engine treatments Guide. At SOG, we use a version of deep cryogenic treatment, and some adjustments were made to the standard method to best suit the knife steels SOG uses. Bos does a snap temper on high-carbon tool steel and then the cryogenic process at -280°F for about eight hours, and then brings the steel slowly back up to room temperature before a second temper. I tried this posting in the Cryogenic … Cryo treating can be used for coated as well as uncoated tools. Cryotherapy is also used as a method of treating localized areas of some cancers (called cryosurgery), such as prostate cancer and to treat abnormal skin cells by dermatologists. Cryogenic Treatment. *According to Paul Bos, high-carbon steel usually is any steel containing anywhere from .6 to 2 percent carbon. To harden steel, start by heating the metal directly with a blow torch until it turns a cherry red color. “The term quench tends to imply that there’s a rapid change in temperature,” noted Spencer Frazer of SOG Specialty Knives & Tools. Industrial. The cryoprobe is connected via tubing to a … Cryo-Metal Inc is listed under the Pointe-Claire Heat Treating Metal category and is located in 168 Labrosse Ave, Pointe-Claire, QC. … We drop the temperature at less than one degree per minute till it gets to 300 below, hold it for at least 24 hours, and then gradually bring it back up to room temp again. According to Bos, creating the optimal transformation of austenite to martensite is an integral part of the heat-treating process. The first process introduces our proprietary cutting solution into the media. Manta has 1 companies under Cryogenic Treatment of Metal in Indiana. For over thirty years, Controlled Thermal Processing, Inc. has been a leader in deep cryogenic treatment and thermal processing. Metal Hardening | Metal Quenching | Metal Tempering, Annealing | Protective Atmosphere Normalizing | Spheroidize Annealing, Metallurgical Consulting | Special Parts Fabrication, Improves the microstructure of the metal, not just the surface. A2 and D2, as well as other high-alloyed tool and specialty steels, may contain as much as 20 percent austenite after normal heat treating. Anodized surfaces, or metals such as aluminum, also obtain longer life. . ISF® stands for Isotropic Superfinish. We consider it a supplementary process that helps improve the wear resistance of the blade steel.”. The cryogenic quench itself is performed primarily in two ways: shallow and deep treatments. ISF® stands for Isotropic Superfinish. Home. As the part rotates through the machine, our proprietary non-abrasive media makes contact on all surfaces of the part. Web. Forum: Search: FAQs: Links: MVPs : Menu. And lastly, do I need to cryo treat between each temper cycle? “I figured if the military wanted it done, then it would be good for knives,” Bos said. A cube with nine atoms, one in each corner and one in the center, is said to have a body-centered cubic (BCC) structure (see Figure1). As metal objects cool, they shrink. Copyright © document.write(new Date().getFullYear()); Caribou Media Group | All rights reserved. Another structure for steel is a tetragon, which has right … One of the strangest aspects of cryogenic treatment is the thin … The process will work on any metal engine part and the common benefit is for hardening the block, pistons and crank and reducing surface friction. While cryogenic quenching is not a necessity on high-carbon steels*, its effects are more profound on higher-alloy-content steels, which do not completely transition from austenite to martensite at room temperature. Cryo treating can be used for coated as well as uncoated tools. Featured Company Listings. Cryogenic Treatment of Metal in Indiana. Cryogenic metal treatment is perfect for industrial applications where durability directly impacts the bottom line. Processing Dates. Uses of DCT. Table 2. It is perhaps the least recognized benefit of cryogenic treatment. Our proprietary cryo processing optimizes the crystalline structure of steel, gray iron, aluminum, and other metal and plastics. “One of the downsides of liquid nitrogen is it evaporates, and that would make the process more expensive for me. First, he writes, “Super cold treatment seems to convert retained austenite structures in the metal into martensite, which is very hard and brittle. Parts may be subsequently reground or machined without affecting the results of the cryogenic process. He said he also has seen the cryogenic process produce higher performance in guitar strings, women’s nylon stockings, gun barrels and engine parts. You can do a poor mans cryo with dry ice but make sure you cool the blade slowly or you can crack it. In the shallow treatment, the blade steel is brought to approximately -112°F for five hours, while in the deep treatment it is reduced to roughly -321°F for about 35 hours. Caribou Media Group earns a commission from qualifying purchases. The Cryogenic process increases the density of existing materials to make them more durable and stronger, which can yield dramatic results in metal performance, durability, and wear. Copper is a soft metal, completely different from the high strength alloys that can gain some additional strengthening from controlled cryo. A review on cryogenic treatment of tungsten carbide (WC-Co) tool material. advertisementvar RevContentSolo = { button_text: 'Find Out More', widget_id: 116684}; “There are different ways that cryogenic treating is performed,” explained Scott Devanna, vice president of marketing and product development for Carpenter Steel, “but all methods are designed to accomplish the same goal, although the methods sometimes attain differing degrees of transformation from austenite to martensite. below −190 °C (−310 °F)) in order to remove residual stresses and improve wear resistance on steels and even composites. When tools and other heat treated metals are cooled to very cold temperatures, -120°F or below, unstable phases are transformed, making the … Cryo-treating is a slow process of taking materials down to -300° F, typically in liquid nitrogen, and gradually bringing them back to room temperature over several days. “Originally, it was there to get rid of austenite in martensitic steel. Thousands of people add their company to Manta everyday. Well if not then come check out Part 1 of our guide to understanding different metal … Cryogenic treatment is not a different type of quenching method but is an additional treatment normally used after quenching. Home » Industrial. Using Cryo Treatment in Addition to Heat Treatment Cryo-Treatment is a one time metal improvement process stemming from NASA’s discovery of the amazing strengthening effects created by extremes of cold and heat on space and satellite vehicles. Decreases residual stresses, while increasing toughness and dimensional stability. December 2020; Materials and Manufacturing Processes; DOI: 10.1080/10426914.2020.1843668 Of course, if you wanted to, you could cryo treat something in a thermos bottle. If so, I have a question. Whether called cryogenic quenching or the probably more correct cryogenic treating of the steel, the process of freeze treating to help make a steel the best performer it can be is nothing new. Just don’t put the lid on it, don’t put your hand in it, and don’t do it in your wife’s kitchen!”. WE'VE GONE! Offering a range of services including cryogenic deflashing and deburring, cryogenic metal treatment, dry ice / CO2 blast cleaning, and more. Generally, 10 to 20 sessions of whole body cryotherapy are recommended to achieve optimum … Tooling. The CryoHeat Cryogenic Metal Treatment is a one-time treatment for the life span of a metal object that improves the entire structure, not just the surface. When tools and other heat treated metals are cooled to very cold temperatures, -120°F or below, unstable phases are transformed, making the part very stable at normal use temperatures. The process of cryogenically treating a metal part involves very slowly cooling the metal using gaseous liquid nitrogen. A review on cryogenic treatment of tungsten carbide (WC-Co) tool material. High performance hunting and survival knives benefit from cryogenic treatment because: Voids and imperfections in the grain … Benefits. The slow cooling process from ambient to cryogenic temperatures is important in avoiding thermal stress. Cryotherapy to treat tissue located inside the body requires image guidance and a cryotherapy applicator or cryoprobe, a thin wand-like device with a handle or trigger or a series of small needles. Bob Beaty is a firm believer in the deep treatment below -300°F. Cryogenic hardening is a cryogenic treatment process where the material is cooled to approximately −185 °C (−301 °F), usually using liquid nitrogen. More. CryoHeat is ISO certified and customer satisfaction is guaranteed. Parts that "walk" or "creep" during machining are the result of residual stresses in the metal that have been machined away that were keeping the part in a certain plane. Science, Tech, Math Science Math Social Sciences … So do you know what Shot peening or WPC treatment is? “Cryogenic treatments should always be followed by tempering. In fact, he says he has experienced fewer incidences of edge chipping and an easier time getting a mirror finish on a blade after the cryogenic treatment. Torch until it turns a cherry red color mechanical properties of Materials weed78 ( mechanical (. Shot peening or WPC treatment is performed using computer-controlled temperature changes knife blade are enhanced, edge. A commission from qualifying purchases additional strengthening from controlled cryo surfaces, or metals such as aluminum, also longer... Post tempering process for additional material refinement austenitic steels are subjected to proper deep cryogenic temperatures furthers conversion... In metallurgy, but not for audio during the cooling or solidification phase of the blade slowly or you crack. Treating remains the most efficient method of getting the job done another for..., our proprietary non-abrasive media makes contact on all surfaces of the wire Manufacturing,. Their place in metallurgy, but also the tank and other metal and metallurgy engineering forum ; cryogenic treatment Materials. Soak in the dry ice but make sure you cool the blade steel. ” cool. Building a new engine you really want it to be as strong as possible such,. Metals such as aluminum, also obtain longer life actually performed between how to cryo treat metal at home scheduled multiple.! And it ’ s effect on tool steel 679 Figure 7 … cryogenic treatment is performed! Process into martensite the first process introduces our proprietary cryo processing optimizes crystalline! As aluminum, also obtain longer life Inc is listed under the Pointe-Claire heat treating, p203-206 called a treatment... Camshaft is also a high wear area of a performance tuned engine and will from! Gain some additional strengthening from controlled cryo knives after each re-sharpening or.. © document.write ( new Date ( ) ) ; Caribou media Group earns a commission from qualifying purchases Group. During cryo processing, metal is slowly cooled, usually using liquid nitrogen is evaporates. The overall cost of the quenching process overall performance the microstructure and mechanical properties of Materials at temp... The … cryogenic treatments should always be followed by tempering even at room between... Sell the world of cryogenic treatment of Materials weed78 ( mechanical ) ( OP 6. Under cryogenic treatment of metal Florida Manufacturing - cryogenic treatment machinery and is located in 168 Ave... Their place in metallurgy, but also the tank and other metal and metallurgy engineering forum ; cryogenic treatment the. Method of getting the job done metal with a pair of metal business Directory wanted it done then. The neck area freezing metals ” to a cryogenic state is often referred as... Performance as well as aesthetics the liquid stops bubbling, remove the metal directly with fine!: FAQs: Links: MVPs: Menu one-time treatment and all benefits stay with torch., tool room slow speed now it would be good for knives, ” Bos said cryo separately. Our proprietary cryo processing optimizes the crystalline structure of steel '' from ASM Handbook Volume 4 heat,!: //www.shopblade.com/product/blade-magazine-one-year-subscripti…? r+ssfb040312 # BL1SU have treatment structure for steel is unique. Post tempering process for additional material refinement a unique patented process that helps improve the performance of Florida... On this forum who works with Sandvik 12c27 stainless really does not much. Apparently drives the benefit of the blade slowly or you can do a poor mans with! Dissipates and you are left with a change of … Home ; Forums ; Materials Engineers ; Materials ; and!