I have done a cold blue on a very rusted .22 for a friend. If the magnet doesnt stick, its ready to be pulled away from the heat. Cold blueing solutions usually just dont wear well. 99. Apply heat to your object and heat up gently and equally. this produces better, less turbulant gas flow, which will reduce heat traces. Right now I'm working on excavator replacement pins! Wear safety glasses and gloves while working with hot metal. Shooting Mystery is reader-supported. When the first patch gets really funky, then drop that in your plastic garbage container (remember, these patches have been soaked in acid solutions! Now, using the information above, you should have little problem bluing your firearms on your own. you may benefit from the use of a gas lense as well. Bear in mind not to touch the walls of your container as you don't want to disturb the process of what's happening! When youre using hot blueing salts, youd better be on top of your game, or you can seriously injure yourself. The steel was mild steel and had very little carbon content. I plan on doing this on a couple of older beaters first. Its easy enough to color metal with a torch, but it has always been a hit-or-miss process for me, and when it was a big hit, I was rarely able to re-create how it got that way. - Ballachy", "Bluing of Steel by Heat Treatment: Why and How it Happens? DIY Gun Bluing 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). "@context": "http://schema.org/", In the automotive world this is a common practice. How to Blue Bluing Steel Using Oven Or Torch and Oil Method. Historically, razor blades were often blued steel. 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. It can soften up some paints and plastics. Metal parts that look black or blue-black are usually blued (rather than painted). My first time wasnt a stunning success. Think big scars. steel I use it, oh so cautiously in making my biodiesel. With. When Im polishing on barrels, I polish lengthwise. Note that it has to be a different tank from the one you used for Step 2. It will first turn gold, then orange, then red, purple, blue and then dark grey! Next you hold it in front of your heat source until a blue oxide layer covers the whole blade edge. I heat treated a piece of carbon steel to make it less likely to wear (using its edge as a cutting surface in a wood turning application). It does provide good rust resistance, which is improved with oil. Remove any previous finish. Learn more Steel is a common durable alloy, and while most steel used in tools is already tough, you can harden it even more to prevent wear and tear. I have also had good results with 5w/30 motor oil, I've also used two-stroke oil with good results. This answer was tested with a utility knife blade and it drilled through with ease. Another good test for determining when the steel is ready is seeing if a magnet sticks to its surface. You can blue heat-treated parts with no ill effects. And then there is the difference between general care and storage vs available daily carried protection pistols living in a some sort of Holster (nylon or leather) , good, bad, take them out or leave them in? By using our site, you agree to our. Picture Information. Use ice cubes. The colours range through straw, gold, brown, purple, blue, teal, then black. Hot bluing should never be attempted on aluminium, as it reacts it usually dissolves in the caustic salt bath. Dont leave cold blue solutions around anywhere pets or kids could get at them. Often it does provide an adequate cosmetic touch-up of a gun's finish when applied and additionally oiled on a regular basis. These processes were later abandoned by major firearm manufacturers as it often took parts days to finish completely, and was very labor-intensive. Excellent info. Heat the gun parts. Here is a simple way to get a blued finish on steel. These include hot bluing, cold bluing, niter bluing, and so on. (You say the rod was heated, but it couldn't have been, as it was on the inside. Ill be saving this for the future. Bluing (steel) - Wikipedia By using this service, some information may be shared with YouTube. I learned something slightly different than what you are teaching and that is I am willing to pay people like you to do this kind of stuff for me. Heres instructions from Mark Lee Supplies on using their Express Blue #1. This will keep the bluing from adhering to the sharpened edge. What did you use for polishing your pieces and Im guessing you polished then added the chemicals after?Thanks, Joe, Question Keep posting like this. "author": "Christopher Graham", It is slightly caustic, so be careful you dont leave it on the gun for long. 1. Its oiled in production to keep it from rusting on store shelves. Alternitavely you can leave it in the oil bath to stabilize. His enthusiasm for handling firearms and hunting gear inspired him to create the Shooting Mystery blog. Please note: As you are working with heat, please be smart, use your common sense, do the bluing process in a well ventilated area and keep a wet towel to hand. on Introduction. "I am nearly 16 and can not wait until I have my drivers license. The use of stainless steel alloy varies a lot from one manufacturer to the other and thats why the bluing effect wont always be consistent. I wouldnt use this bluing method for these items. The cotton gloves insulate your fingers from the heated barrel, and they prevent oils from your skin from getting on the raw steel. You can use a heat gun, a blow dryer, or a torch for this. How do I harden a steel hammer so that is lasts longer and is more durable? 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 The head is fixtured and and an arm holding the valve seat moves the the proper location. % of people told us that this article helped them. You can then use a soft brush to gently remove all the residue of the cleaning solution on the components. However, the chemicals from the bluing process can accomplish uneven staining on aluminium and polymer parts. Dont mess with hot salts. Accidental exposure to the chemicals could result in serious injuries. 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. Drop a piece of hot charcoal in it and it will burn in the absence of any atmosphere as the nitrate provides the oxygen for the reaction. Did you ever find out what oil they were using? If you have a wood or phenolic handle, use a propane torch to heat the blade only for about two minutes. Ill be buying the stainless tubs and chemicals to do it and go for as close to black as I can get. For this Instructable I'm using thread cutting oil. 4.3 out of 5 stars 242 ratings-30% $12.99 $ 12. Every true outdoorsmans dream! An iron wire, stainless dipper, and part basket are required to handle the guns components and adjust the bluing solution as well. Haha. It is usually sold in a 1lb bottle for $3, you'll need 3 or 4 pounds probably. If you havent done it before, wait until I mention some items about it. Degrease a pad of 0000 steel wool with acetone. However, oil may spill and create a fire hazard if the steel is put into the oil too quickly. All blued parts still require oiling to prevent rust. 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. Also remember, by adjusting the heat you can get whatever color you want. That can be a pen torch (pictured), a blow torch, a heat gun, a gas hob (which I am going use) or anything that will provide you with enough heat. } This will remove all the traces of the bluing solution and other chemicals. If you want to blue something fast I have a cheap hot blue method: Lowes stump remover: I think DGs method is a lot safer than mine. And for the next (after the next) installment, how to do hard case coloring. We use cookies to make wikiHow great. Referring to the post that started all of this; Dyspeptic Gunsmith says: The potassium nitrate will liquefy at around this temperature and blue your items at a relatively quick speed. Its much cheaper anyways. If you are new to the subject and are in need of detailed instructions, then youve come to the right place. To remove pitting and keep the barrel profile intact requires skill with a file, and that requires hands-on training. This crucible was heated to 730C (1,350F) for up to 6hours (the longer the heat was applied the thicker the case hardening). Bluing Stainless Steel: What You Can and Cant Do - Forging World Oil-free steel wool is also sold by woodworking shops. Thank you all who had a part in the production of this important information! Both ingredients are super cheap. Now you slide the cold rod in, and the plate cools, gripping the rod. Ships from and sold by Direct-Wholesale. Cold blues will Woodworkers doing furniture finishing will use 000 and 0000 wool, and they hate oil on their wool for rubbing down oil finishes. on Introduction. Large scale industrial hot bluing is often performed using a bluing furnace. 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. "Cold" bluing is generally a selenium dioxide based compound that colours steel black, or more often a very dark grey. This article was co-authored by wikiHow staff writer, Hunter Rising. If the sights need to be stripped & blued, follow the same procedure, but dont polish on them. Include your email address to get a message when this question is answered. Free shipping. Bluing is often a hobbyist endeavor, and there are many methods of bluing, and continuing debates about the relative efficacy of each method. Being prepared is important if you can not measure the temp. "https://www.facebook.com/Shooting-Mystery-110244180901951", http://cdn.spectrumbrands.com/~/media/Spectracide/Files/MSDS/SpectracideStumpRemoverGranulesSDSApr15.ashx. The plate turned blue just like you ible and I was told this was an effect of compression fitting.the rod didn't change colour even though it had the heat applied to it so was it actually the compression fit that changed the plates colour. The List Price is the suggested retail price of a new product as provided by a manufacturer, supplier, or seller. The ideal setup is a pair of long sleeve gloves along with splash goggles and a face mask. Do NOT wipe/touch your metal with anything after degreasing as the whole purpose of cleaning was then for nothing. Bluing is a passivation process in which steel is partially protected against rust using a black oxide coating. Mea culpa. Use a smaller toaster oven if your piece of steel fits inside. A Pocket Sundial From a Broken Pocket Watch! If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. But the article was very informative. COPYRIGHT 2021, THETRUTHABOUTGUNS.COM. Further, I probably would have used a coarser wet-dry to prep the raw steel (this was a kit Kentucky long rifle) rather than the 1500 grit I used. It is generally employed on smaller parts such as pins, screws, sights, etc. Once it's cooled down, take the object out of the oil and place it on a piece of paper/cloth and let it set for about 20 minutes. The parts are then oiled and allowed to stand overnight. This is not necessary as long as you can hold your item appropriately and not cover where it is to be heated. High temperatures and dangerous chemicals mean that a moment of carelessness can make you pay a heavy price. Last Updated: May 13, 2022 I handed a buddy my wallet and cell phone, and stepped under the safety shower and got wet. ", informative and did not use technical language and concepts that would have left me floundering and none the wiser. journeyman. He started the site to explore the ethics, morality, business, politics, culture, technology, practice, strategy, dangers and fun of guns. Fill a heat-safe container with water or oil deep enough to submerge your steel. For larger pieces of steel, you need to use a. Notify me of follow-up comments by email. Its the corrosive gift that just keeps on giving. The reason I ask is that when you heat steel that is in the white to 600F, you get a brilliant blue all on its own. Depending on what solution you use, the tank temperature must be maintained somewhere between 240 and 310 degrees Fahrenheit. And I work alone in my shop, and lack the required (IMO) safety facilities that are needed. Cold blues will react with steel at room temperature, but you get more aggressive reactions when you heat the gun to, oh, 150 to 200F. As a small thank you, wed like to offer you a $30 gift card (valid at GoNift.com). I have cut and polished 4 pieces of mild steel to demonstrate different colour stages. Sorry for the misunderstanding. Rinse them in a cold water tank after. If you want it smoother/shinier, you can polish up to 600 grit, with wet-or-dry paper. Youll want to clamp on the barrel directly under the sight youre about to drift out. 'Browning' is controlled red rust Fe2O3, and is also known as 'pluming' or 'plum brown'. I thought there was something that could help improve the colors but wasnt sure until I came across this. You can get a IR non-contact thermometer for less than $20 at Harbor Freight. "keywords": ["how to blue stainless steel"], 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. If you look at the temps that Tenifur(SP) and Melonite(sp) and early Pakerizing processes used this is nothing. Then remove it from the degreaser, don't be tempted to wipe it off with anything. You have entered an incorrect email address! I agree used oil works better and adding some copper and graphite seems to deepen the color and add more purple or plum to it. That means 50-60 revolutions to make a foot. the cost of the burners or heaters to heat up all these tanks really only practical if you have natural gas available Either of these two methods is called 'hot bluing'. In order to confirm the bank transfer, you will need to upload a receipt or take a screenshot of your transfer within 1 day from your payment date. It is not nice stuff. However, rust bluing small areas often match, blend, and wear better than any cold bluing process. When you add water to a hot salt tank, you get an explosion of steam, and you need to develop some skill in adding the water with a very fine copper pipe on your water hose to prevent steam blow-outs spattering salts all over you. Once you see it turn golden, the process has started and colours will change fairly quickly! Gee, Im thinkin Duro or cero coat maybe even Krylon might be a good enough.. "name": "Shooting Mystery", After In this case cooking oil, rather than gun oil, acts to displace water and prevent rust. Ferrari installs valve seats in their aluminum cylinder heads via robot. Cold blues will react with steel at room temperature, but you get more aggressive reactions when you heat the gun to, oh, 150 to 200F. Examples of this finish are common on older pocket watches whose hands exhibit what is called 'peacock blue', a rich iridescent blue. If you cant, just get them out of the case and allow air to circulate around them. Mix equal parts of cream and liquid Brownells Oxpho Blue. Bluing is also used for providing coloring for steel parts of fine clocks and other fine metalwork. The loose oxide was then carded (scrubbed) off, using a carding brush - a wire brush with soft, thin (usually about 0.002in (0.051mm) thick) wires - or wheel. Commercial products are widely sold in small bottles for cold bluing firearms, and these products are primarily used by individual gun owners for implementing small touch-ups to a gun's finish, to prevent a small scratch from becoming a major source of rust on a gun over time. ")You're ABSOLUTELY right. The content is not meant to be a replacement for professional service advice. Always back your paper when youre polishing over edges and up against features. Answer For hazzalandy: carbon content has nothing to do with the color process, it is only the temperature you heat to, and to a lesser extent, the time spent hot. it washes off with water. You MUST plug your barrels, gas cylinders, remove your pistons, etc. JUST DONT. Keep them in that state while you heat them but be sure to not boil up the tank. Isn't the point of the acetone to degrease, why would i grease? It was left in a flannel gun case in the back of a moist closet for 25+ years. Bluing may be applied by immersing steel parts in a solution of potassium nitrate, sodium hydroxide, and water heated to the boiling point, 275310F (135154C) depending on the recipe. RF: Expect a write-up from me on Rust blueing and parkerizing in the next couple of weeks. If you have very light, fine pitting, you can polish this out. Thanks a lot for sharing. Hot blueing is a good process, especially if you have a lot of iron to shove through the blueing process quickly. So, you start with a clean gun, in the white, you play a propane torch over the gun to get it to the point where the blueing solution just will readily steam, but barely sizzle, and then you brush on the blueing compound. Once the steel is clean, you can begin heating it up. Very helpful! I pulled the temp off the top of my head. High temperatures and dangerous chemicals mean that a moment of carelessness can make you pay a heavy price. You can experiment ultimately what oils to use. Check out the video:https://hackaday.io/project/21947-makers-vise/log/60914-coloring-steel-with-magnetism. The wire is extremely small in diameter, so you have to take that into consideration. Why do you bother with all this crap?. Again, dont mess around with these chemicals and only handle them with extreme attention. Theres nothing wrong with your method, but is is very hazardous, especially to people who have never done anything like it before. "logo": { Put 600 grit compound on a wheel, use a little too much pressure and youll be gob-smacked at how fast it can cut material off the gun. Its for mild steel, which must be greased, oiled or otherwise coated with something to stop it from rusting almost immediately. Soft, low-carbon steel was used, but strong materials were needed for the receivers of firearms. 3 years ago This method must not be used on critically heat-treated parts such as receivers, slides or springs. The steel will pull some of the carbon out of the oil while quenching and harden the outer portion of the metal. This is not advisable. That said, heres the truth: The best blueing you can have on a gun is simple, safe to do, but takes a long time. Steps to Hot Blue Steel with a Torch Wait for 10 15 minutes and then take out the components. This process leaves a deep blue-black finish. Dang it all. LOGIX 20910 Butane Torch, Cooking Torch, Torch for Creme Brulee, Refillable, 9.6 oz, Blue Steel . Many older browning and bluing formulas are based on corrosive solutions (necessary to cause metal to rust), and often contain cyanide or mercury salts solutions that are especially toxic to humans. It is one smoooooth profile, from one end to the other. Oh mas oui.Express blueing, slow rust blueing, hot salt blueing, nitre blueing, carbona blueing all are better than cold blueing. If the solution is still boiling vigorously, then you can expect the bluing to happen naturally. Repeat 3 times. 4 Ways to Blue Steel - wikiHow Even with safety glasses and a full-face shield, a rubber apron, rubber boots, etc it is possible to get salts into your eyes and all over the rest of you. By the time I was done it looked like it was a beat up 5 year old gun rather than a 1930s bolt .22 that came from a scrap yard. If you are referring to torch bluing, the Help 'blueing' with OA torch Share it with us! Its nice when something can be re-used a time or two, especially when used in diversified ways. For the color change to be uniform you have to remove the grease, oil, paint etc or it looks blotchy. While the rod may heat some by conduction, it wouldn't get hot enough to start the color-forming process. 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. Hot. How to Blue Bluing Steel Using Oven Or Torch and Oil Method You are a fantastic resource for all of us here. WebStep 1: Preparing Your Materials You will need: -2x containers (one of them preferably being metal for the oil) -oil -unleaded petrol/Acetone/Terpentine/Rubbing alcohol or any good Below is a link to a video I found on YouTube that shows the process. So basically, youll want the rifle in the vise with the muzzle pointed to your left. You can then u. se a soft brush to gently remove all the residue of the cleaning solution on the components. -An old container filled with your chosen degreaser (unleaded petrol), -Your desired polished metal object/s (very important! You need to adjust the boiling point of the salts for your altitude. Dont. it takes a long time to heat up a long (ie barreled action length) tank that is, oh, three barrels wide. Thank you, DG! You might also want to read our article on how to easily darken stainless steel or blacken stainless steel for more ways to personalize your gear. Safety is the number one priority so protect your body as much as possible. Only 3 left in stock - order soon. List Price: $18.64 $18.64. Its a good process for processing lots of guns, but I simply cannot recommend it for people who just want to do a gun here or a gun there.. 2. FigureLLC. "height": "800",
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