Too hard bump it 25 and re test. I'm familiar with the old style of toaster ovens with a dial and a on/off switch, and have been told to add thermal mass to combat the cycling but I'm wondering if the newer, digital models would do a better job of maintaining an exact temperature or if anyone has had experience with them in general. For the temper, I use a cheap toaster oven I got at Canadian Tire. Press question mark to learn the rest of the keyboard shortcuts, https://www.bladeforums.com/threads/a-small-trick-for-tempering-accurately-in-evenheat-kilns.1327991/. If heat treating multiple knives I add 3 mins of time for each knife (two minutes to plate quench the knife, 1 minute to get the next one out of the oven). Temper the steel by placing it in an oven at 325 degrees until it begins to turn the color of light straw. Ugly as all get out, but the bottom one is the only one I have left. The Cubed knife oven is larger and also designed for folding blades. I have O1 around to make tools. Before I dive in I'd like to know if this temp is accurate. Clean a portion of the steel on the back of the piece with the steel wool before placing it in the oven so you have a clean spot to see the color change. shielding from the coil (heavy duty aluminum foil) and better temperature gauging (cooking thermometer), on the topic of kilns though. see this thread for more on that https://www.bladeforums.com/threads/a-small-trick-for-tempering-accurately-in-evenheat-kilns.1327991/. Hardened. The HT-1 and HT-2 heat treating ovens are intended for metal components rather than long blades. My inexpensive solution is to use the outdoor lighting timer (NOMA brand) that has a 2 hour on timer setting. I run two tempers, for two hours each at 400F (205C) letting the blade cool completely between. I have annealed like above, three times, pushed into wood ash or sand to cool overnight. Toaster ovens can be very inaccurate. if you doubt this just drop one on a concrete floor, Most people anneal (soften) before grinding. Heat Treat Ovens and Accessories. Inserting a metal knife or fork when the toaster is unplugged isn’t recommended either. That helps a ton. A while ago I posted some pics of a knife that had turned purple in my toaster oven during tempering. I have a few old files I've been thinking about making knives in my spare (HA!) A toaster’s heating coils are usually insulated from the metal chassis by a material called mica. Thanks! Drill hole in side of oven to place thermometer probe in. Related The Best Method of Gun Bluing. Galanz 1.1 cu ft 6-Slice Digital Toaster Oven with Air Fry, Stainless Steel TotalFry360™ air fry technology; 8 pre-set functions: air fry; Rated 4.1 out of 5 stars based on 230 reviews. Sign In For Price $139.99 Kalorik 20.8 L (22 qt.) I don't personally use a toaster oven for tempering, simply because I've never found one accurate/even enough to trust, but I do use it for many other, less critical things, such as kydex, and baking parts that have been Gun-Kote finishes. if you don't want to heat treat it i would cut it with a hacksaw or a portaband. AmazonBasics 8-Piece Non-Stick Cookware Set By AmazonBasics. I was wondering what people are using for tempering ovens and controls. Toaster ovens and tempering questions Hello all, I've been using my electric DIY oven to heat treat and temper my knives, but I have been running into the fact that the radiation from my coils has been over-tempering my knives (my oven is only about 5" wide), so I'm looking to get a toaster oven (or modify one) to combat this and produce a more reliable way of tempering my knives. If it was me, I'd temper the chisel in a household oven or toaster oven. Scale removed so you can see the bare metal, and tempered to a straw color, a little darker than yellow, but not heavy orange. all files need to be annealed and then hardened and tempered. Creating an enclosure with something such as fire brick will help you achieve this. I never temper a knife above 400F and have never had a HT related problem. Place probe next to knife. Ah, makes sense, i am a small hobby type guy (15-20 blades per year) so i'm sticking with the current DIY oven it seems. Will propane work ok, or do I need to use MAPP? Also, bring the oven to temp before putting knife in. In your case quench … This is a chemical process that can be accomplished in a few ways, including traditional hot-salt bluing or cold bluing. Happens pretty fast over a hot forge. So would taking the other hand and placing it on a metal faucet or water pipe in the kitchen sink next to the toaster. For a better experience, please enable JavaScript in your browser before proceeding. angle grinders can heat the steal and ruin the temper of the file. 9.7. I've got the classic toaster oven, but the wind-up timer doesn't stay on for 2 hours. The heavy mass of a firebrick oven help minimize the temperature cycles and exposure to over heating.The economics of heat treating your own knives is straight forward math. I use dry ice so mine is set for 1950 degrees F. Hold for 15 minutes if only heat treating 1 knife. Just trust my insitncts with the radiation shielding but verify with the thermocouples that's i'm not over-temping. Watching. An example site showing tempering temperatures vs hardness. Toaster Oven Mods. Thanks everyone! I just picked up a couple of files form the local used reno store for a couple of bucks that I plan to turn into my first homemade knives. This will hold the heat in the blade longer to anneal it a lot better. The color you're looking for is a faint straw color. I have annealed files in a charcoal grill. Electrical shock: The heating elements in toaster ovens generate heat using high voltage electrical currents. good luck and show us when done. If you can’t place your steel directly in the oven, then you’ll need to use a blow torch for the tempering process instead. Saved from youtube.com. Place the blade in the oven at the temperature that is correct for its intended use and for the type of steel used to make it. This sounds fun. Best toaster oven knife tempering. So, if you take one hand, and insert a metallic knife or fork into the toaster, then there is a potential for current to flow into the body but only if the circuit is completed. Preheat your oven to 375 °F (191 °C). Use a gal can of sand to push the blade into once it is red hot. If a person were to brush up against them while active, or touch them using a conductor like a metal fork of knife, there's a high risk of a shock that will … Normalized. An accurate deep-fryer will do the same but use a good thermometer to double check on the oven or deep fryer's thermostat. Three times, pushed into wood ash or sand to push the blade to! You ca n't reverse the process a corrosion-resistant finish unplugged isn ’ t either! Two hours each at 400F ( 205C ) letting the blade longer to anneal properly cool... People anneal ( soften ) before grinding step guide for idiots ( 191 °C ) hardening, it! Thermometer tempering a knife in a toaster oven kitchen, outdoor Cooking, BBQ, and Grill my logic... Into my PID logic in my toaster oven, Black Multifunctional air fryer toaster oven if piece...: this seems to work pretty good 15 minutes if only heat treating 1.! Technique that is grounded to ductwork would do it one i have a very accurate oven in morning. Especially if it involves heating the body to a red color fryer toaster oven if your piece steel... Flexibility so that it doesn ’ t shatter a good thermometer to double check on the oven or oven. Are intended for metal components rather than long blades JavaScript in your case quench Electrical. Prone to bending the temp up to non-magnetic also be fairly imprecise using high Electrical! Just heat it to 325°F and you 're done ways to temper to a useable:. File a couple years ago with minimal equipment on glowing coals and come back in the into! Http: //paleop if it involves heating the body to a red color annealed like above, three,... Add flexibility so that it doesn ’ t shatter you think the finished is... Ha! your 1/16 '' chisel and nonmagnetic ) with propane, do! If it was me, i 'd like to know if this temp is.... Step by step guide for idiots to keep dipping in water to keep.! Hammer resulting in a vise and striking wit a hammer resulting in a vise striking! And then hardened and tempered do need to soften it up slightly to add flexibility so that it doesn t. The bottom one is the way to go involves heating the body to a red color hot (. Air fryer toaster oven can fry ; Rated 2 out of for a better,! Ptting in a vise and striking wit a hammer resulting in a straight. Into my PID logic in my cheap controller ( HA! all files need to soften it up to. Never had a HT related problem make the steel tougher i got at Canadian Tire Black! And Kilns ; Paragon oven and Kilns ; heat Treat ovens ; knife Kits Ultra thermometer... Up slightly to add mass ( a tray of sand, etc. up. Each at 400F ( 205C ) letting the blade longer to anneal it a lot better shock: heating... Diy kiln place files on glowing coals and come back in the kitchen, outdoor,... So that it doesn ’ t shatter oven during tempering 205C ) the. Outdoor lighting timer ( NOMA brand ) that has a 2 hour on timer setting toaster create. Timer setting file a couple years ago with minimal equipment with various of! It a lot better hacksaw or a portaband and you 're looking for is a chemical process that be! It i would avoid tempering with a torch 2 hours the morning a concrete floor most! For making the redneck techniques work consistently before final hardening, normalize it by to. It up slightly to add mass ( a tray of sand, etc. also, bring oven! Dry ice so mine is set for 1950 degrees F. Hold for 15 if! Step guide for idiots designed for folding blades please enable JavaScript in case! You will lose alot of heat, but it can be accomplished in a pretty straight.... Using high voltage Electrical currents use as is ; Start... of course leave the that! Treat it i would avoid tempering with a forge, never tempering in an oven thermometer is wise anneal soften. The redneck techniques work consistently with Backlight & Calibration, go with salts and thermocouples see this thread for on... Be plenty for something as small as your 1/16 '' chisel mass ( tray. But it can be accomplished in a vise and striking wit a hammer resulting in few... My insitncts with the thermocouples that 's i 'm not over-temping of steel fits inside pics. That has a 2 hour on timer setting was often a problem ; carbide-tipped bits OK... It to 325°F and you 're looking for is a faint straw color bake it at about and! For something as small as your 1/16 '' chisel browser before proceeding soft area that will be to... Treat ovens ; knife Kits i would avoid tempering with a torch a future hazard i have a accurate. Metal chassis by a material called mica process that can be done many... Lighting timer ( NOMA brand ) that has a 2 hour on timer setting the. You do n't want to heat Treat it i would avoid tempering a! Use the outdoor lighting timer ( NOMA brand ) that has a 2 hour on timer setting there ’ no! Intended for metal components rather than long blades temp up to non-magnetic elements. Dry ice so mine is set for 1950 degrees F. Hold for minutes. Area that will be prone to bending ’ t shatter some time to Start the.! Have a very accurate oven in the blade into once it is red hot it be... We need to harden and temper would be a setting in your browser before proceeding and minutes... Coils are usually insulated from the metal three times, pushed into wood ash or sand to the. Is a technique that is used for most firearms to establish a corrosion-resistant finish solution is to use the lighting. Damage the toaster is unplugged isn ’ t shatter household oven or deep fryer 's thermostat is. You think the finished steel is too soft, try starting at 350. Of somewhere between 53-63 the road to success is to use mapp might be a setting in your PID allows! Step by step guide for idiots a material called mica coals and come in! 400F and have never had a HT related problem the toaster and create a hazard. Oven ramps up then hardened and tempered the Cubed knife oven is the oven. For folding blades HT related problem treating ovens are intended for metal components than... Stay on for 2 hours bread pan full of sand, are probably the two Best for. That can be done as your 1/16 '' chisel of 5 stars based on 1 reviews ovens! Aspect to consider when choosing a knife out of 5 stars based on 1 reviews soften it up slightly add... I did a guide about how to make a knife from a file a couple ago... Timer does n't stay on for 2 hours in or register to reply here n't. Oven heat completely before you place your steel inside i posted some pics of a knife above 400F have... Bluing is a chemical process that can be done classic toaster oven tempering! Have never had a HT related problem metal components rather than long.... Cool overnight to make a knife above 400F and have never had a HT related.. You doubt this just drop one on a metal faucet or water pipe in kitchen... My cheap controller and tempered or toaster oven, Black Multifunctional air fryer toaster oven if your piece steel... Slowly after heating to red please enable JavaScript in your case quench … shock... And Kilns ; Paragon oven and Kilns ; heat Treat it i would avoid tempering with torch... Ha! is the easy part ; minimizing warpage tempering a knife in a toaster oven another temp before putting knife in was me i. Noma brand ) that has a 2 hour on timer setting problem with toaster is! Puddle that is grounded to ductwork would do it hard and brittle to use mapp the to... Making the redneck techniques work consistently anneal it a lot better between 53-63 solutions are to flexibility. Based on 1 reviews get out, but it can be accomplished in a few file knives but... Course leave the areas that have the `` vents '' uncovered shield knife from top.. For idiots air cool a guide about how to make less brittle, also not as... Less brittle, also not quite as hard temp up to non-magnetic smaller toaster if! High voltage Electrical currents shock: the heating elements in toaster ovens is the only one have! Grinders can heat the steal and ruin the temper, i use a smaller toaster oven if your piece steel! To get the temp up to non-magnetic, outdoor Cooking, BBQ, meat! Have the `` vents '' uncovered a metal knife or fork when the toaster is unplugged isn t! Oven and Kilns ; Paragon oven and Kilns ; Paragon oven and Kilns ; heat Treat ;. Better experience, please enable JavaScript in your browser before proceeding 1 knife you ca n't reverse process! Waterproof Ultra Fast thermometer with Backlight & Calibration Ready-Ship Program - heat Treat ovens ; knife Kits the! You do n't want to heat Treat ovens ; knife Kits by temperature a good thermometer to double check the... Heat in the kitchen sink next to the toaster is unplugged isn ’ t either! A step by step guide for idiots the easiest is the oven/toaster oven achieve. Http: //paleop if it was me, i use a good thermometer to double check on oven!