bluing steel with a torch bluing steel with a torch

(And taking, out of *your* hide). I have done a cold blue on a very rusted .22 for a friend. Mea culpa. ")You're ABSOLUTELY right. SO, DG; unless I missed it, I am assuming the torch is used separate from heating the tank/ container with the boiling solution. As mentioned, cold bluing can be done at room temperature with decent results. My current rifle builds are going to be parkerzied. This article was co-authored by wikiHow staff writer, Hunter Rising. Note that it has to be a different tank from the one you used for Step 2. These processes were later abandoned by major firearm manufacturers as it often took parts days to finish completely, and was very labor-intensive. Metal Finishing Guru. Hardened steel prevents knife blades from dulling and tools from bending and breaking. 500F-600F is often all that is needed and the parts can be done over and over again you just have to clean between each attempt. Safety notes: Dont use an aluminum pan. "publisher": { wikiHow marks an article as reader-approved once it receives enough positive feedback. The reason why blued guns rust is that something was allowed to attack the surface blueing and get through it to new steel or the blueing job wasnt deep enough to complete passivate the surface from red rust. Dont leave cold blue solutions around anywhere pets or kids could get at them. I think DGs method is a lot safer than mine. When everything is set up, put on your protective gear and then get down to business. The blue appearance of the oxide film is also used as an indication of temperature when tempering carbon steel after hardening, indicating a state of temper suitable for springs. Thank you, DG! "https://www.reddit.com/user/theshootingmystery" NaOH is nasty stuff. Last Updated: May 13, 2022 Youre just using stump remover to do it. Also Dont get the 275-300F bath on you. on Introduction. Think big scars. occasionally I'll buff it afterwards. You'll probably be fine following these instructions - you'll probably be OK driving home a little drunk, too. I plan on doing this on a couple of older beaters first. Its nice when something can be re-used a time or two, especially when used in diversified ways. Oil-free steel wool is also sold by woodworking shops. The inside barrel was saved by the fact it was so full of lead fouling. A few safety items: Youll have a hot caustic degreaser tank (about 10 minutes), then a cold rinse tank, then into the hot salts for, oh, 15 to 20 minutes, then out into the hot rinse, then into a cold running rinse tank, then into a water displacing oil tank for 20 minutes or so. Answer This method was adopted by larger firearm companies for large scale, more economical bluing. If your barrel has heavier pitting, now were into filing to remove pitting, and thats something I cant teach people in mere text. And for the next (after the next) installment, how to do hard case coloring. Higher carbon contents will take longer to heat. Next comes the main part. In the automotive world this is a common practice. It is usually sold in a 1lb bottle for $3, you'll need 3 or 4 pounds probably. Craig, torch bluing is a real thing that has been use a lot in the custom gun world, mostly for screw heads but even for complete muzzle loader creations ( the vendor will be quite proud of his work it seems as cost increases considerably to a finished item). Ferrari installs valve seats in their aluminum cylinder heads via robot. fascinated with blacksmithing, but have not had an income to even get it started. Thanks a lot for sharing. Ill be saving this for the future. I used Express Blue #1 on lots of guns, where I want something less labor intensive than slow rust blueing (which I wont describe here): most steel wool isnt oil-free. Even at room temperature, the salts are highly caustic and will eat into your eyes or skin in seconds not minutes. So you will get a shinier finish. Shooting Mystery is reader-supported. Vegetable oil has a higher boiling point, so the hot steel will take longer to cool and reduce the chance of it cracking. Rinse them in a cold water tank after. Gun companies dont/wont do it because they want to make quick money, and today its all phosphates and bake-on appliance paint (you didnt think a guy who calls Glocks cheez-whiz was going to sing the praises of Duracote or Cerakote, did you?). For more information on using a blowtorch and protecting the steel, scroll down! Also remember, by adjusting the heat you can get whatever color you want. Alternatively, you can press the pad of steel wool between your hands over the container of acetone, and then put it on some paper towels to dry. This is not advisable. I had to sand and restain the stock, and sanded the barrel from 120 down to 400 grit the pitting was so bad. Ill be buying the stainless tubs and chemicals to do it and go for as close to black as I can get. You can experiment ultimately what oils to use. The potassium nitrate will liquefy at around this temperature and blue your items at a relatively quick speed. How to Blue (Bluing) Steel Using Oven Or Torch and Oil Method OOMAN 2.28K subscribers Subscribe 872 112K views 4 years ago My apologies for the background "url": "https://shootingmystery.com/wp-content/uploads/2017/01/Shootinglogo.png" When Im polishing on barrels, I polish lengthwise. If you look at the temps that Tenifur(SP) and Melonite(sp) and early Pakerizing processes used this is nothing. If you want to blue something fast I have a cheap hot blue method: Lowes stump remover: Hunter Rising is a wikiHow Staff Writer based in Los Angeles. The color is oxide, but I believe you can scrape it off. He started the site to explore the ethics, morality, business, politics, culture, technology, practice, strategy, dangers and fun of guns. For modern uses of black oxide, see, Learn how and when to remove these template messages, Learn how and when to remove this template message, "How To Remove Rust From A Gun Without Damaging Bluing? Then you have to heat the metal. This will remove all the traces of the bluing solution and other chemicals. Bluing is often a hobbyist endeavor, and there are many methods of bluing, and continuing debates about the relative efficacy of each method. The hotter the steel, the further the oxygen can diffuse through the oxide coating, so the coating builds thicker before it protects the steel from further oxidation. Ships from and sold by Direct-Wholesale. My advice to people here: Unless youre a professional, and youre working in a shop with all the required safety gear (a cold water shower within a couple feet of the tanks, and an eyewash station next to the tanks, and someone working in the same shop every moment youre working on the salt tanks), DONT. That surface rust on the barrel could be polished off easily. Thats how vigorously we de-grease guns before starting blueing. This works well for me. Hot NaOH is so alkaline it is great as dissolving organic materials. I wasnt planning on doing it for a few months. The easier of the two methods, hot bluing only requires some degreasing agent, a heating apparatus (a blow torch is perfect for this), and any kind of oil. On this Wikipedia the language links are at the top of the page across from the article title. Reply "@type": "ImageObject", Bluing is also used for providing coloring for steel parts of fine clocks and other fine metalwork. Its a pretty straightforward process. "Cold" bluing is generally a selenium dioxide based compound that colours steel black, or more often a very dark grey. OK, now with the sights out and the trigger group off, you can put on the rust/blue remover on the barrel/action. Question For the color change to be uniform you have to remove the grease, oil, paint etc or it looks blotchy. Prepare the components of the metal surface before you attempt to blue using your tools. Larger flames produce less heat while smaller flames produce a higher heat. You can make a Caustic Soda KNO3 water bath: 65% Lye (aka sodium hydroxide) To heat this, I use a Coleman camp stove and a 15# jug of LPG gas. Hot. Safety is the number one priority so protect your body as much as possible. It does provide good rust resistance, which is improved with oil. The ideal setup is a pair of long sleeve gloves along with splash goggles and a face mask. The thickness of the oxide is a function of how hot you heat the steel (The color is due to interference of light reflecting from the surface of the oxide coating, and light reflecting from the oxide-steel interface). To harden steel, start by heating the metal directly with a blow torch until it turns a cherry red color. My dad keeps his in a big safe with large desiccant packs that he threw in there. -An old container filled with your chosen degreaser (unleaded petrol), -Your desired polished metal object/s (very important! The color is not oxides, when steel is heated at relatively low heats (300-600 degrees Fahrenheit) it changes colors from light yellow to a deep blue, after 600 it turns back to a steel color. A couple bottles of aged bourbon minimum. The rod was heated and the plate 2" square was inserted and the rod shrunk onto it. I handed a buddy my wallet and cell phone, and stepped under the safety shower and got wet. "Bluing" is the process of oxidizing steel to create a durable, corrosion-resistant layer. In comparison, rust, the red oxide of iron (Fe2O3), undergoes an extremely large volume change upon hydration; as a result, the oxide easily flakes off, causing the typical reddish rusting away of iron. While I am certain that I could do it myself, you already have all the bits and parts and stuff so it is worth my dollars to buy a gunsmiths time to have this done for me. Old school smiths use something called washing soda to strip oil off guns. I use kerosene to wet my paper from 500 on up. For this Instructable I'm using thread cutting oil. 4. Once you get the colour you want, go outside to your oil container and fully quench your object into the oil!Note: I know a plastic container is I have at least three cold blue solutions in my shop including Oxpho-blue, 44-40 and others. By using this service, some information may be shared with YouTube. To remove them, you put the action/barrel into a sturdy vise (padded with soft jaws) and you use a piece of brass rod to drift the sights out. To obtain oil-free steel wool, get some acetone in a container (say, an old, clean yogurt container you were going to throw away anyway). The part that is to race the other is heated normally up to about 220 especially if it is an aluminum casting like a cylinder head. "https://twitter.com/Shoot1ngMystery", If you are referring to torch bluing, the Bluing, being a chemical conversion coating, is not as robust against wear and corrosion resistance as plated coatings, and is typically no thicker than 2.5 micrometres (0.0001 inches). It was left in a flannel gun case in the back of a moist closet for 25+ years. Depending on what solution you use, the tank temperature must be maintained somewhere between 240 and 310 degrees Fahrenheit. Excessive buffing on stainless steel could result in a grainy appearance so do it with care. Your 700F temp is too high, IMO. This process is also the only process safely used to re-blue vintage shotguns. Once you strip the blue & rust, then you can see what youre dealing with. You wouldnt need salts. wikiHow is where trusted research and expert knowledge come together. It is slow rust blueing. Dont. Hopefully these concepts suggest caution and diligence for what you are doing. Sorry for the misunderstanding. Bluing is a passivation process in which steel is partially protected against rust using a black oxide coating. Very true. "datePublished": "2022-03-27", You should put the brass drift (which you can make out of a piece of brass rod about 1/4 in diameter) on the sight base, and then start tapping the end of the drift with a small hammer. 1. polish it very well 2. clean very well 3. quick dip in dilute FeCl (4:1) is what I use 4. rinse in cold running water and pat You are nitre blueing here. Not every manufacturer puts bittering agents in the solution and as one poison control nurse told me: (t)here is nothing you can do and it aint the good death.. Wipe them down with WD-40 on a regular basis. Free shipping. Dont want to get any of the liquid on you its 700F. An ideal temperature is 180 degrees Fahrenheit but it also depends on the manual. Use a smaller toaster oven if your piece of steel fits inside. Hot bluing should never be attempted on aluminium, as it reacts it usually dissolves in the caustic salt bath. I now want to reverse the process so I can drill and tap the metal tip. http://cdn.spectrumbrands.com/~/media/Spectracide/Files/MSDS/SpectracideStumpRemoverGranulesSDSApr15.ashx. Wear disposable nitrile gloves, work in adequate ventilation, bag and dispose of all rags/towels used in the process in their own bags, and quickly. This is all from memory so I might have left some stuff out. The head is fixtured and and an arm holding the valve seat moves the the proper location. Were committed to providing the world with free how-to resources, and even $1 helps us in our mission. ", the wrong quality steel. Theres nothing wrong with your method, but is is very hazardous, especially to people who have never done anything like it before. Ill wait for and look forward to your article! I don't understand why you are submerging it in oil? There wasnt a whole lot of pain just yet until my buddy took the safety bottle of vinegar solution used to neutralize the alkaline NaOH salts, and then the pain was there. The "hot" process is an alkali salt solution using potassium nitrite or sodium nitrate and sodium hydroxide, referred to as "traditional caustic black", that is typically done at an elevated temperature, 135 to 155C (275 to 311F). Just remove the blue/rust, degrease, dry, then blue/card/boil-out/oil/drain. Ive learned a LOT. We have all kinds of rifles and shotguns with recievers made from non-Fe alloys again we do not give it a second though or break out the hardness tester. Enjoy! Pour in How to colour steel with heat (hot oil finish) is a simple but effective way of achieving a desired colour of choice.The colours are fantastic and often come out in a beautiful two-tone shine. Some people might not have a tank long enough to contain a barreled action to boil out. I am simply trying to learn anything and everything that there is to know about it. Is the torch used to heat metal ..ONLY.with Cold bluing? you could also heat this size tank with anything from a hibatchi up to a Weber charcoal grill or you could put it on top of a wood-burning stove or even a kitchen stove. Its the corrosive gift that just keeps on giving. Stand on end over some paper towels to drain. For the chemical, the bluing solution should be either Oxynate No. Once the steel is clean, you can begin heating it up. If the solution is still boiling vigorously, then you can expect the bluing to happen naturally. 3 years ago. Dont drop or try to bend the steel once its removed. After spending most of his career as a firearms expert and enthusiast, he retreated to the great outdoors to raise his family in peace and quiet. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/81\/Harden-Steel-Step-1-Version-3.jpg\/v4-460px-Harden-Steel-Step-1-Version-3.jpg","bigUrl":"\/images\/thumb\/8\/81\/Harden-Steel-Step-1-Version-3.jpg\/aid1214287-v4-728px-Harden-Steel-Step-1-Version-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"