The torch comes in when you first apply the Express Blue. Never know when it will come in handy. Use a steel tool to stir (remember the fumes). Frequent TTAG commenter Dyspeptic Gunsmith saw the gun above in our postA Garden Gun Cultivates a Newfound Fascinationand answered reader questions about blueing/reblueing a gun thusly: If the rust is very fine and there is still substantial blueing left on the gun, you might want to strip the blueing. The salts here will be slightly less corrosive (ie, just the pure KNO3, no lye), but at 600F, you have a big physical risk right in front of you. It is slow rust blueing. I really appreciate you taking the time to share it DG. Heat the area with a torch until it stops sweating. The process isnt intended for bronze. Heat source You will require at least one burner for bluing salts and two hot water burners. These processes were later abandoned by major firearm manufacturers as it often took parts days to finish completely, and was very labor-intensive. wikiHow is where trusted research and expert knowledge come together. He started the site to explore the ethics, morality, business, politics, culture, technology, practice, strategy, dangers and fun of guns. You can get a IR non-contact thermometer for less than $20 at Harbor Freight. Heat the gun parts. Do all the prep you would for express or rust blueing, especially degreasing. That seems wasteful. The steel will pull some of the carbon out of the oil while quenching and harden the outer portion of the metal. If you dont drain the barrel or action recesses properly before putting a barrel or action into a hot salt tank, then you will find out in a hell of a hurry as the water flashes to steam under the surface and again, splatters hot, highly caustic lye/nitrite salts all over you and your shop. It greatly helped me to learn how to blue a gun perfectly at home. First, let us go through a couple of bluing concepts that you have to know in order to achieve the desired result. 3.3k. Include your email address to get a message when this question is answered. By signing up you are agreeing to receive emails according to our privacy policy. WebBluing is a passivation process in which steel is partially protected against rust using a black oxide coating. It is vastly appreciated even by those of us who will probably never use it. Safety is the number one priority so protect your body as much as possible. 2mm wire has a circumference of ~0.25in. 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. You should keep guns in a safe, if you can. Use it to try out great new products and services nationwide without paying full pricewine, food delivery, clothing and more. Modern home hobbyist versions of this process typically use a hydrogen peroxide and salt solution, sometimes with vinegar, for the rusting step to avoid the need for more dangerous acids.[7]. for 6-8 hours. If you have very light, fine pitting, you can polish this out. I guess Ill have to just be happy drying toilet paper. Blue Metal Shell 13 in 1 Welding Torch Nozzle Tip Cleaner For Welder Soldering. it washes off with water. For most of the time, guns that utilize carbon steel components are the prime candidates for bluing but its totally possible to color stainless steel blue as well. Go on and start bluing! FigureLLC. Reply -An old container filled with your chosen degreaser (unleaded petrol), -Your desired polished metal object/s (very important! Bluing (steel) - Wikipedia Drill bits and gun barrels are common examples. However, rust bluing small areas often match, blend, and wear better than any cold bluing process. 5. Above you can see some example pictures of the colour shades that can be achieved with this techniques.Have fun doing it! You MUST plug your barrels, gas cylinders, remove your pistons, etc. 1. The ideal setup is a pair of long sleeve gloves along with splash goggles and a face mask. Bluing is often a hobbyist endeavor, and there are many methods of bluing, and continuing debates about the relative efficacy of each method. After on Introduction. the cost of all the tanks you need for rinse & boil-out You have a degreased gun, and now you need to get the metal hot enough that the reaction will oxidize the steel as much as possible. % of people told us that this article helped them. This finish allows them to be stored in high-moisture conditions, like sports bags, without rusting. Heat the gun parts. I have cut and polished 4 pieces of mild steel to demonstrate different colour stages. DG thank you. I dont have that much blueing to do in my shop, so I dont use hot salts. Could I use stainless steel earrings that I have got? The usual mistake on buffing wheels is using too coarse a compound, and then the wheel becomes quite aggressive in removing material. Im not responsible for marital discord as a result of gun projects attempted on the kitchen stove. There is something really rewarding about this technique. This is not advisable. References And I work alone in my shop, and lack the required (IMO) safety facilities that are needed. Spilling salts at this temperature will instantly result in fire, because the KNO3 is a powerful oxidizer all on its own, and the added thermal energy will light anything on fire all alone. Now, using the information above, you should have little problem bluing your firearms on your own. Alternatively. Hopefully these concepts suggest caution and diligence for what you are doing. Your 700F temp is too high, IMO. So I buffed down the barrel with steel wool and started over heating the barrel in the oven before taking it outside to add the solution (which is nitric acid). Dont touch the metal with your bare hands since it could cause severe burns. "Bluing" is the process of oxidizing steel to create a durable, corrosion-resistant layer. -something to hold your object with i.e. (You say the rod was heated, but it couldn't have been, as it was on the inside. How to Blue Bluing Steel Using Oven Or Torch and Oil Method. Heat the area you'd like to drill just until it starts to glow red, then allow it to cool slowly. All blued parts still require oiling to prevent rust. By using this service, some information may be shared with YouTube. Dont want to get any of the liquid on you its 700F. You have to apply the bluing fluid. NaOH will quickly and completely dissolve aluminum. ", not only fun, but also profitable. You turn up your nose at crap guns? 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 Follow the instructions. Again, dont mess around with these chemicals and only handle them with extreme attention. If you havent done it before, wait until I mention some items about it. Help 'blueing' with OA torch However, the chemicals from the bluing process can accomplish uneven staining on aluminium and polymer parts. You work on nice guns! "width": "1500", With. 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. This is as deadly as the lye-based hot salts, but more for the temperature of a large batch of salts. You then oil or wax over the finish when youre done. For larger pieces of steel, you need to use a. The book claims they used wait for it "boiling gasoline" not making this up to clean them. Repeat 3 times. Keep posting like this. You want 0000 steel wool for carding between coats. At least one of the cold bluing solutions contains selenium dioxide. The blueing salt bath will be at about 286 to 292F, and as it is bubbling away, it is losing water, and the boiling point of the solution keeps climbing. 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. 8 years ago My current rifle builds are going to be parkerzied. Just use distilled water. Dont pour water in to your bath! journeyman. Steel Both refer to the same chemical process for providing true gun bluing.[1]. WebThe gun bluing process Start with 1 gallon of water and add it to a deep fryer that has been thoroughly cleaned. Bear in mind not to touch the walls of your container as you don't want to disturb the process of what's happening! This will remove all the traces of the bluing solution and other chemicals. http://cdn.spectrumbrands.com/~/media/Spectracide/Files/MSDS/SpectracideStumpRemoverGranulesSDSApr15.ashx. Let them cool down as you take a closer look at the bluing effect. {"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":"
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