Degrease and heat the items to be blued in a steel pan to about 700F. Central Texas. Just dont. You want 0000 steel wool for carding between coats. If the magnet doesnt stick, its ready to be pulled away from the heat. How to Blue/Re-Blue a Gun - The Truth About Guns But the article was very informative. I'm a professional knifemaker and use many very high-temp methods including quenching 1,600F steel in pre-heated oil - I know what I'm talking about, 'cause I still have 10 fingers and my eyesight. 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. Approved. Use a steel tool to stir (remember the fumes). So As one newish to refined firearms ownership, what is the best way to store and protect a pistol or rifle from rusting, especially in areas like Oregon or Washington, Silicon socks, or ? Use your torch to bring up "logo": { This finish allows them to be stored in high-moisture conditions, like sports bags, without rusting. Ive cut and pasted this to my notes on the cloud. Brownells has steel tanks, and there are some steel/stainless long/thin tanks available from other sources. For more information on using a blowtorch and protecting the steel, scroll down! Bluing involves an electrochemical conversion coating resulting from an oxidizing chemical reaction with iron on the surface selectively forming magnetite (Fe3O4), the black oxide of iron. If there is any finish left on the metal, it will interfere with the bluing pr It is usually sold in a 1lb bottle for $3, you'll need 3 or 4 pounds probably. You have to apply the bluing fluid. Spray down the whole barreled action with copious amounts of WD-40, inside and out. 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. Hot. It greatly helped me to learn how to blue a gun perfectly at home. Thats how vigorously we de-grease guns before starting blueing. All blued parts still require oiling to prevent rust. A Garden Gun Cultivates a Newfound Fascination, AZ Judge Dan Slayton Refuses to Reduce $2m Bail in Flagstaff Campus Self Defense Case, State Judge Issues Order Blocking Enforcement of Illinois Firearms Ban Act Statewide, Protecting and Serving: Springfield, IL Police Seized Homeowners Gun After Investigating Her Report of a Prowler UPDATED, Chicagos Failed Mayor Lori Lightfoot Loses in Reelection EffortBadly, http://www.lowes.com/pd_188198-316-HG-66420_0__?productId=4764059, http://cdn.spectrumbrands.com/~/media/Spectracide/Files/MSDS/SpectracideStumpRemoverGranulesSDSApr15.ashx. THANKS DG. I saw you reference a coleman stove and propane tank for heating solution. Bluing is often a hobbyist endeavor, and there are many methods of bluing, and continuing debates about the relative efficacy of each method. Share it with us! An ideal temperature is 180 degrees Fahrenheit but it also depends on the manual. You are a fantastic resource for all of us here. Shooting Mystery is an independent website that provides content for informational purposes only. However, oil may spill and create a fire hazard if the steel is put into the oil too quickly. ", the wrong quality steel. You wouldnt need salts. Ill be saving this for the future. It provides the stainless steel surface with a layer of protection, giving rust and corrosion resistance while reducing potential glare as well. Hot NaOH is so alkaline it is great as dissolving organic materials. Thanks to all authors for creating a page that has been read 914,567 times. 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. 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. "description": "If you want to find out how to blue stainless steel, then you've come to the right place. Todos los derechos reservados. Hot bluing is the current standard[6] in gun bluing, as both it and rust bluing provide the most permanent degree of rust-resistance and cosmetic protection of exposed gun metal, and hot bluing takes less time than rust bluing. If you need to use a blow torch, focus the flame tip on the area you want hardened. Hardening will cause it to be more brittle, which could cause the hammer to chip and cause injury. 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). Follow the instructions. Quenched steel is harder, but it becomes more brittle. Mea culpa. So basically, youll want the rifle in the vise with the muzzle pointed to your left. "Bluing" is the process of oxidizing steel to create a durable, corrosion-resistant layer. 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? I wish I had known more about the process, heating (I was working outside on a 60 degree day) I may have to check with my friend to see if it needs reblued again, Im sure he never shot it. Any gun. When youre done and have neutralized & washed off the Express Blue #1 solution, you then should spray down the barrel with water-displacing oil. In the nitre bluing process, polished and cleaned steel parts are immersed in a bath of molten saltstypically potassium nitrate and sodium nitrate (sometimes with 9.4 grams (0.33oz) of manganese dioxide per pound of total nitrate). WHERE or when would the torch get used? This will remove all the traces of the bluing solution and other chemicals. "@context": "http://schema.org/", Can a softly tempered piece be re-tempered harder without going through the hardening procedure again? 2 years ago, For the record The gentleman said multiple times that the plastic container shown in the pictures was just for the instructional photos and to be sure that the container is made of metal for this process, (Homer Simpson smacking his forehead: "DOH! occasionally I'll buff it afterwards. He has more than three years of experience writing for and working with wikiHow. Although the steel parts, such as anOrdains watch hands, are near enough miniscule, each Rinse them in a cold water tank after. very easy way to get a blue finish on steel - Fit and Finish NaOH is nasty stuff. I think DGs method is a lot safer than mine. "https://twitter.com/Shoot1ngMystery", Below is a link to a video I found on YouTube that shows the process. He started the site to explore the ethics, morality, business, politics, culture, technology, practice, strategy, dangers and fun of guns. WD-40, as mentioned earlier, is a water-displacing oil compound not a penetrating lube, and for preventing rust, WD-40 actually works pretty well, but it doesnt last like cosmoline or waxy oils used for long-term rust prevention. I just had my first experience rust browning a barrel. Theres nothing I see as super-dangerous about blueing other than trying to do hot salt blueing without all the correct safety equipment and precautions. Salts. References Next, suspend the components in a cleaning solution tank to get rid of dirt, oil, grease, and crud. 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. How to Blue (Bluing) Steel Using Oven Or Torch and Oil In colloquial use, thin coatings of black oxide are often termed 'gun bluing', while heavier coatings are termed 'black oxide'. Use a smaller toaster oven if your piece of steel fits inside. It does provide good rust resistance, which is improved with oil. 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. 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. With a simple heating and quenching process, you can make your steel last for much longer! Hot bluing should never be attempted on aluminium, as it reacts it usually dissolves in the caustic salt bath. "publisher": { Oil and grease really are the enemy because youre trying to (literally) corrode the metal. 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. Large scale industrial hot bluing is often performed using a bluing furnace. Hes claiming that method is more durable than Blue alone. Robert Farago is the former publisher of The Truth About Guns (TTAG). Pour in }. 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.. The parts must be observed constantly for colour change. These work by depositing a coating of copper selenide on the surface. This is a great time to point out that leaving guns in gun cases, especially the woolen/fleece cases, in the back of a closet, is one of the most sure-fire ways to rust the value completely out of a gun. And for the next (after the next) installment, how to do hard case coloring. Bluing also helps to maintain the metal finish by resisting superficial scratching, and also helps to reduce glare to the eyes of the shooter when looking down the barrel of the gun. Because so many people are trying to do this sort of thing on the cheap, thats when I start thundering in my warnings about safety. While still hot and while wearing rubber gloves rub the bluing compound Into the steel with the steel wool. Once you strip the blue & rust, then you can see what youre dealing with. Color case hardening is the predecessor of all metal coloring typically employed in the firearms industry. Just remove the blue/rust, degrease, dry, then blue/card/boil-out/oil/drain. Slow rust blueing can take a week or more to accomplish, but it is a durable blue job like no other. 4 years ago How to Harden Steel: 10 Steps (with Pictures) - wikiHow Make sure the piece is chemically clean, sandblasting followed by power wire brushing is good then stop heating when you hit purple because the heat will travel. That would be a hot salt blueing mix. If you are referring to torch bluing, the To harden steel, start by heating the metal directly with a blow torch until it turns a cherry red color. Mix equal parts of cream and liquid Brownells Oxpho Blue. You can use a heat gun, a blow dryer, or a torch for this. Oh mas oui.Express blueing, slow rust blueing, hot salt blueing, nitre blueing, carbona blueing all are better than cold blueing. the cost of all the tanks you need for rinse & boil-out Reply Christopher Graham writes all the content and reviews on this site with the help of his team of hunters and shooters. Its for mild steel, which must be greased, oiled or otherwise coated with something to stop it from rusting almost immediately. Here is a video by Clevinger Customs illustrating it: I use the Brownells nitre blueing salts, which are a combination of sodium nitrite, sodium nitrate, and potassium nitrate. Reply blue steel Bluing is also used for providing coloring for steel parts of fine clocks and other fine metalwork. Think big scars. it would appear these sights are drifted into dovetails. . ")You're ABSOLUTELY right. The mixed fumes of the acids produce a uniform rust on the surface of the parts (inside and out) in about 12 hours. You heat the outside member only when you do a shrink fit.). They are still sometimes used by gunsmiths to obtain an authentic finish for a period gun of the time that rust bluing was in vogue, analogous to the use of browning on earlier representative firearm replicas. One of the reasons I hand-polish up to 600 and buff only above that is that when you see one of my barrels (by holding it up to a light source, and sighting down the barrel from the muzzle at your eye to the breech out at arms length), you see no dips, waves, ripples, etc. If you have a wood or phenolic handle, use a propane torch to heat the blade only for about two minutes. Metal parts that look black or blue-black are usually blued (rather than painted). 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. I like using acetone to strip the heavy oil on guns, because it lightens up the oils and makes them easier to strip with a water-based cleaner. I like parkerization on some of my milsurps. Add in the 250F+ temperatures of the salts when they hit your skin, and youre both burned thermally and chemically in seconds. These minerals (often calcium and magnesium compounds) tend to result in blotchy and uneven results. Hopefully these concepts suggest caution and diligence for what you are doing. 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. 4.3 out of 5 stars 242 ratings-30% $12.99 $ 12. Its durable and wears well. on Introduction, Hello my name is Joe and Im doing a project where Im trying to achieve the same outcome. Use ice cubes. "datePublished": "2022-03-27", 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. Ive gotten hot blue salts on me splashed into my hair. 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. 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). Heat the gun parts. "I am nearly 16 and can not wait until I have my drivers license. 'Browning' is controlled red rust Fe2O3, and is also known as 'pluming' or 'plum brown'. They should start gassing up approximately 2 to 3 minutes after exposure. As mentioned, cold bluing can be done at room temperature with decent results. An iron wire, stainless dipper, and part basket are required to handle the guns components and adjust the bluing solution as well. Always back your paper when youre polishing over edges and up against features. - Ballachy", "Bluing of Steel by Heat Treatment: Why and How it Happens? Even at room temperature, the salts are highly caustic and will eat into your eyes or skin in seconds not minutes. In the automotive world this is a common practice. It is named after the blue-black appearance of the resulting protective finish. Rust bluing was developed between hot and cold bluing processes, and was originally used by gunsmiths in the 19th century to blue firearms prior to the development of hot bluing processes. The parts are then oiled and allowed to stand overnight.
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