Some Thoughts on Stainless Steel and Heat Treating
May 07 2012 · The knives soak at this temperature for 15 minutes to ensure the blades are preheated all the way through. The kiln is then ramped up to 1975° F and the blades allowed to soak for 45 min. This austenitizes the steel and puts the carbon and other alloy constituents into solution.
Get PricePetersen Knives » Heat Treating
If the blade is going to be used as a utility little cutter then the heat treat would be different even if it is the same steel used in the large chopper. Of course different steels have different attributes that can be emphasized by the heat treatment. Having said all that typically each knife blade is normalized to reduce grain size.
Get PriceCryogenic Treatment for Knives Tools Nitrofreeze
Cryogenic Treatment of tools and knives uses computer-controlled time and temperature profiles to gradually bring the steel to cryogenic temperatures of -300°F. Cryogenic treatment is followed by a post tempering process for additional material refinement.
Get PriceHeat Treating and Cryogenic Services from American Cutting
Heat Treating and Cryogenics American Cutting edge offers a wide variety of heat treating services including vacuum heat treating atmospheric heat treating tempering and annealing. Our metallurgical lab cannot only provide the exact chemical composition of your steel but can also measure its hardness.
Get PriceCryogenic Treatment of BladesHeat Treating Knives
Aug 10 2007 · As for sharpening I sharpen as the very last step in the process. after I have completed the knife and sheath and signed my name to the blade. When I sharpen it is ready to be sold. Before heat treat I only rough grind the blade. You should leave extra for the slight changes in shape. As for Hardening and tempering.
Get PriceCryogenic processing—dispelling the myths mysteries
Heat Treating and Cryogenic Processing of Tool Steel Allowing a steel heated to its austenitizing temperature to cool slowly to room temperature would turn it into ferrite (see Figure 2). Quenching it at the martensitizing temperature prevents this the rapid change in temperature prevents it from returning to the BCC structure.
Get Priceheat treating 80crv2 BladeForums
Mar 08 2014 · You place a blade in the kiln (Kiln is already per-heated to 1500°F) The blade rises to 1500°F. On the way up it crosses 1414°F and becomes non-magnetic. This happened because the structure of the steel changed to austenite.
Get PriceHeat TreatmentClarke Knives
At Clarke Knives we heat treat most grades of knife steels both Carbon Stainless Damascus up to a maximum length of 500mm (20″). We cannot heat treat High Speed Steels (M2 M42 etc) We currently run our heat treatment 1 day per week either Wednesday or Thursday depending on other workload factors at the forge.
Get PriceCryogenic Treatment for Knives Tools Nitrofreeze
Cryogenic Treatment of tools and knives uses computer-controlled time and temperature profiles to gradually bring the steel to cryogenic temperatures of -300°F. Cryogenic treatment is followed by a post tempering process for additional material refinement.
Get PriceSimple Heat Treating for a High Carbon Steel Knife Blade
Jan 19 2021 · Simple Heat Treating for a High Carbon Steel Knife BladePart 1 by Steve A. SurvivalBlog Contributor January 19 2021 February 10 2021 Modern civilization owes its existence in part to the early discovery that iron containing small amounts of carbon could be made much harder than other iron compounds.
Get PriceTEXAS Air Quench Heat Treatment KNIFEMAKERS Houston
Air Quench Heat Treatment Cryogenic Tempering Form 1. It is your responsibility to insure your blades. TKS is not liable for the cost of blades lost/damaged in transit by shipping carriers. 2. All blades must have either an identifying name or logo permanently stamped or etched on blade or tang or an outline of your blades
Get PriceHEAT TREATMENT OF BLADE STEELNew ProductsKnife
Process Hardening is a way of making the knife steel harder. By first heating the knife steel to between 1050 and 1090°C and then quickly cooling (quenching) it the knife steel will become much harder but also more brittle. To reduce the brittleness the material is tempered usually by heating it to 175–350°C for 2 hours which
Get PriceSub-Zero Cryogenic Treatment of Knife Steels Topham Knife Co
The Cryogenic/sub-zero or cold treatment of steel is nothing more than taking the steel and freezing it. This step is always done after austenitizing and quenching of the blade. Liquid nitrogen (LIN) treatments are often called "Cryogenic" or Deep Cryogenic treatments where cryogenic refers to any temperature below (-310°F/-195°C).
Get PriceHeat Treating and Cryogenic Services from American Cutting
Heat Treating and Cryogenics American Cutting edge offers a wide variety of heat treating services including vacuum heat treating atmospheric heat treating tempering and annealing. Our metallurgical lab cannot only provide the exact chemical composition of your steel but can also measure its hardness.
Get Price440C- A Love Hate Affair by Jay Fisher
Below are some questions about heat treating 440C from my "Heat Treating and Cryogenic Processing of Knife Blade Steels" page. On that page I write about many steel types and along with the "Blades" page the amount of information can be overwhelming. I thought it would be important to repeat some of the 440C-applicable subjects on this page.
Get PriceHeat TreatmentClarke Knives
At Clarke Knives we heat treat most grades of knife steels both Carbon Stainless Damascus up to a maximum length of 500mm (20″). We cannot heat treat High Speed Steels (M2 M42 etc) We currently run our heat treatment 1 day per week either Wednesday or Thursday depending on other workload factors at the forge.
Get PriceHeat Treating Knives 7 StepsInstructables
During the heat treating process the surface of the steel was likely marred by scale buildup and oil residue so it will be necessary to re-finish the blade to the desired level of quality. I used the roughest stone I have (100200 grit stone from the hardware store) to put the edge back on the blade.
Get PriceFROZEN SHARP Cryogenically Treated BladesBLADE Magazine
Apr 03 2012 · The cryogenic quench itself is performed primarily in two ways shallow and deep treatments. 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. This is most often accomplished through immersion in liquid nitrogen.
Get PriceHeat Treating Step-by-StepHarden and Temper
If your knife was forged normalizing is a good idea. To normalize repeat steps 1 through 3 three times letting the knife air cool between each heating. 1 Heat the Blade. Start the forge and use the tongs to place the knife inside. Only the blade section of the knife needs to be fully heated.
Get PriceHow to Heat Treat 52100Knife Steel Nerds
May 13 2019 · The typical recommended heat treatment for 52100 is a °F austenitize for 10-30 minutes followed by an oil quench and a temper from °F. Some knifemakers have recommended a 1475°F austenitize.
Get PriceNitro VNew Jersey Steel Baron
knife in a carbon or simple stainless steel. We concurrently suggest one of two methods for heat treating with and without cryo however its chemistry needs only a minimal subzero treatment to within -98°F to -94°F degrees for a minimum time only as long as needed to soak through and chill the steel.
Get PriceHeat Treating Knives Heat Treating Blades Custom
Heat treating of knives is a two step process that includes hardening and tempering. We first normalize the blade by heating it to a non-magnetic capacity. The point of normalizing the blade is to stabilize the structure of the steel so that when quenching is performed a certain degree of warping can be avoided.
Get PriceHeat Treating the KnifeI Made A Knife
That said use this as a guide to heat treating but not a verbatim blow-by-blow. You must refer to the directions for heat treating your particular type of steel. The basic process is as follows heat your forge up to the critical point for your steel ( 1450°F depending on your steel). Using a pair of industrial sized tongs stick your knife
Get Priceheat treating 80crv2 BladeForums
Mar 08 2014 · You place a blade in the kiln (Kiln is already per-heated to 1500°F) The blade rises to 1500°F. On the way up it crosses 1414°F and becomes non-magnetic. This happened because the structure of the steel changed to austenite.
Get PriceCutlery TreatmentPeters Heat TreatingBlades
All blades are evaluated upon arrival for damage during shipment straightness special fixturing needs and heat treating requirements. During processing all blades are handled individually and by hand. Our processing includes straightening (up to 15 minutes) double tempering (if necessary) cryo treating and hardness testing.
Get PriceSub-Zero Cryogenic Treatment of Knife Steels Topham Knife Co
The Cryogenic/sub-zero or cold treatment of steel is nothing more than taking the steel and freezing it. This step is always done after austenitizing and quenching of the blade. Liquid nitrogen (LIN) treatments are often called "Cryogenic" or Deep Cryogenic treatments where cryogenic refers to any temperature below (-310°F/-195°C).
Get PriceCryogenic treatment for Knife steel KnifeDogs Forums
Jul 11 2011 · I recently read Heat Treatment Selection and Application of Tool Steels Paperback by Bill Bryson (Author). This is an excellent easy to understand and follow source. In it MR Bryson describes why we would want to cryogenically treat tool steel (knife steel). I was sucked in and had to try it.
Get PriceCutlery TreatmentPeters Heat TreatingBlades
All blades are evaluated upon arrival for damage during shipment straightness special fixturing needs and heat treating requirements. During processing all blades are handled individually and by hand. Our processing includes straightening (up to 15 minutes) double tempering (if necessary) cryo treating and hardness testing.
Get PriceDry iceHeat Treating general discussionI Forge Iron
Aug 07 2012 · Posted May 2 2012. Some steels (air hardening) can gain hardness from cryo treating. The super cool temps transform the remaining austentite into matensite. At least that s what I ve read. Most heat treaters use liquid nitrogen I did recently run across a book where a maker used dry ice in this process.
Get Price13 Myths about Heat Treating KnivesKnife Steel Nerds
Jul 13 2020 · No heat treatment is capable of making high carbide CPM 15V into a high toughness steel. No heat treatment can turn 1095 carbon steel into a stainless. And I would argue that the single most important factor for knife performance is the edge
Get Price
