This item: Special Blue Full Metal Butane Torch (Gold) - Refillable Flame Lighter- Culinary Torch - Welding Torch - Adjustable Dual Flame for Desserts, Creme Brulee, BBQ and Baking. -An old container filled with your chosen degreaser (unleaded petrol), -Your desired polished metal object/s (very important! very easy way to get a blue finish on steel - Fit and Finish 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. 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. Life is good. If you havent done it before, wait until I mention some items about it. 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 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. All those materials the leather and bone the coal where sources of carbon and other trace elements. "image": { I hope to someday have good knowledge to pass on to people, heh. I like parkerization on some of my milsurps. Wipe them down with WD-40 on a regular basis. Water is great for rapidly quenching the hot metal, but it could cause thin steel to distort or crack. Treating with an oiled coating enhances the protection offered by the bluing. Torch This article was very, "I've been working with steel since I was a child, and reviewing these proper methods and skills makes my projects, "It surely educated me on several points. I think DGs method is a lot safer than mine. } - Ballachy", "Bluing of Steel by Heat Treatment: Why and How it Happens? Just dont. "@context": "http://schema.org/", If you have very light, fine pitting, you can polish this out. Fe3O4 requires chemicals and/or heat to push the iron to full oxidation. It will first turn gold, then orange, then red, purple, blue and then dark grey! Just let any residual matter evaporate/dry. After three coats, washing and drying, the finish was not too bad, considering I was (and am) a rank amateur. You will get it. Whats the difference between Brown Express and Blue Express? What I forgot to mention in all of this is a detail that seems mundane, but it critically important: Wear cotton gloves. you may benefit from the use of a gas lense as well. Last Updated: May 13, 2022 84 or Du-Lite 3-0. If I remember right they then heated them up a bit and applied fish oil orignal and I think latter switching to linseed oil to protect the finish and give it that wet look. After that, slowly and steadily stir the solution in, Step 2: Process the components of the gun, Wait for 10 15 minutes and then take out the components. Oil and grease really are the enemy because youre trying to (literally) corrode the metal. 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. fascinated with blacksmithing, but have not had an income to even get it started. If the magnet doesnt stick, its ready to be pulled away from the heat. 99. So you will get a shinier finish. 35% Potassium nitrate (aka saltpeter), http://castboolits.gunloads.com/archive/index.php/t-36054.html. { $36.73. No. Do this outside, so you can do this next part: Just whip the steel wool at arms length to extract the excess acetone. Fill the tank with a suitable amount of water then add in the bluing salt using the correct ratio. I pulled the temp off the top of my head. 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. 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. Large scale industrial hot bluing is often performed using a bluing furnace. Ill be saving this for the future. Still, you will find that cold blues dont last. 1/16-inch pivot wire has a circumference of ~0.2in. Bluing is a process usually used by gun owners and firearms manufacturers to improve the aesthetic value of their weapons. How do I do this? 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. This heating forms the blue on the plate. Historically, razor blades were often blued steel. 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. Can a softly tempered piece be re-tempered harder without going through the hardening procedure again? It turns out I have. Submerge in water and scrape edge. wikiHow marks an article as reader-approved once it receives enough positive feedback. And for the next (after the next) installment, how to do hard case coloring. 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. Also, the results you indicate are typical of still having some oil on the gun. 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. As mentioned, cold bluing can be done at room temperature with decent results. The robot gives the steel valve seat a quick blast with liquid nitrogen and drops the seat right in place. Should something happen, seek medical help right away. "https://www.youtube.com/channel/UC6dwEQfHK1tk_ZeaA4PniOA/", You can reassemble the gun after. I believe the change of color is due to a growing thickness of an oxide layer. -something to hold your object with i.e. ", steel". Theres a reason why I buy up clapped-out guns and stuff where people look at me with a WTF?! I thought there was something that could help improve the colors but wasnt sure until I came across this. "name": "Shooting Mystery", Stand on end over some paper towels to drain. I have also had good results with 5w/30 motor oil, I've also used two-stroke oil with good results. (And taking, out of *your* hide). 2023 All Rights Reserved by Shooting Mystery. on Introduction. 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 just leave them on a surface that could corrode or burn), get a new patch into the hemostats, soak, wring out, and keep going. 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. "@type": "ImageObject", Itll take perhaps 20 minutes to really dry down. http://cdn.spectrumbrands.com/~/media/Spectracide/Files/MSDS/SpectracideStumpRemoverGranulesSDSApr15.ashx. DG should receive a stipend for his valuable contributions to TTAG. At 700, you start losing your blues and the steel starts becoming a wispy silvery-blue, not a dark brilliant blue. You need to adjust the boiling point of the salts for your altitude. They should start gassing up approximately 2 to 3 minutes after exposure. In place of using a hot bath (although at a lower temperature) chemically induced method, it is possible through controlling the temperature to heat steel precisely such as to cause the formation of black oxide selectively over the red oxide. Interesting and informative as always. If you look at the temps that Tenifur(SP) and Melonite(sp) and early Pakerizing processes used this is nothing. I am using bronze, is it for a polish? It is named after the blue-black appearance of the resulting protective finish. 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). Every true outdoorsmans dream! "sameAs": 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. Knowledge is the power and fear is the opposite of power it cripples the mind and the body and almost always guarantee's a poor decision will be made. We strongly advise that you only push through with this process if you are absolutely confident that you are able to perform the necessary precautions. You are nitre blueing here. Probably the main one is the content of so-called "carbon, "I was looking at making a set of plate armor and I wanted to see how to harden the breastplate. Various processes are used for the oxidizing process. So you said the polishing is key for the coloring process. There is something really rewarding about this technique. This will remove all the traces of the bluing solution and other chemicals. Either of these two methods is called 'hot bluing'. Where/how did you think I got to the point I could make nice guns? Use it to try out great new products and services nationwide without paying full pricewine, food delivery, clothing and more. Central Texas. The parts are then boiled in distilled water, blown dry, then carded, as with rust bluing. That would be a hot salt blueing mix. 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. That means 50-60 revolutions to make a foot. Let them cool down as you take a closer look at the bluing effect. Youre just using stump remover to do it. Above you can see some example pictures of the colour shades that can be achieved with this techniques. The usual mistake on buffing wheels is using too coarse a compound, and then the wheel becomes quite aggressive in removing material. 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. It takes practice. Cold blueing is OK for touchups, at best. "https://twitter.com/Shoot1ngMystery", Depending on what solution you use, the tank temperature must be maintained somewhere between 240 and 310 degrees Fahrenheit. . Polish to at least 400 grit. The process isnt intended for bronze. "I am nearly 16 and can not wait until I have my drivers license. Usually, you can find the manufacturers recommended ratio in the product manual. % of people told us that this article helped them. Thanks a lot for sharing. Fortunately, this is easily had at any hardware store: WD-40 is a water displacing product, not a lubricant (contrary to widespread advertising). I can't stress how important the degreasing step is! His enthusiasm for handling firearms and hunting gear inspired him to create the Shooting Mystery blog. You can not do this method with Aluminium because it won't reach the temperatures required for bluing, it will just melt. 4.3 out of 5 stars 242 ratings-30% $12.99 $ 12. It is not nice stuff. You MUST plug your barrels, gas cylinders, remove your pistons, etc. 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. When putting water in your boil-out tank, use distilled water if you have water with high mineral content. Im talking like 90+ minutes to heat the salt bath to 285F. on Introduction, looks nice but you are using what is known as heat treatment which will darken steel, not using bluing salts as in gun bluing of rifle barrels all in all very nice instructable, Reply Use a backing block of wood or even a Pink Pearl rubber eraser. (meaning oxygen atoms are able to attach themselves to the outer layer of the steel)We did this with an electromagnet! Being prepared is important if you can not measure the temp. How do I harden a steel hammer so that is lasts longer and is more durable? Wear thick gloves so you dont burn yourself. It is usually inadvisable to use cold bluing as a touch-up where friction is present. 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.. When youre done and have neutralized & washed off the Express Blue #1 solution, you then should spray down the barrel with water-displacing oil. List Price: $18.64 $18.64. 3. Now you can start.Apply heat to your object and heat up gently and equally. As I'm bluing round pieces I slowly and evenly rotate the piece over 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.. I don't understand why you are submerging it in oil? For the final step, we let the components cool down in water displacing oil. I have at least three cold blue solutions in my shop including Oxpho-blue, 44-40 and others. This method was adopted by larger firearm companies for large scale, more economical bluing. I wouldn't recommend either. Keep them in that state while you heat them but be sure to not boil up the tank. "author": "Christopher Graham", Remove the bolt & trigger group this might require a pin punch on some guns to pull the trigger group.From what little I can see in the picture here . Step 3: Suspend the components in the bluing solution tank, However, if the bluing effect isnt satisfactory, then you can try giving the components an acid bath (using, Step 4: Rinse the components in a cold water tank then transfer them to a hot one, Step 5: Submerge the components in a tank filled with water displacing oil, Address: 4455 Camp Bowie Blvd, Ste 114 #852, Fort Worth, TX 76107. Do all the prep you would for express or rust blueing, especially degreasing. Metal Finishing Guru. If you are referring to torch bluing, the He started the site to explore the ethics, morality, business, politics, culture, technology, practice, strategy, dangers and fun of guns. Hot blueing is a good process, especially if you have a lot of iron to shove through the blueing process quickly. How to Blue Bluing Steel Using Oven Or Torch and Oil Method 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. 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 Thanks for the lesson, DG. High temperatures and dangerous chemicals mean that a moment of carelessness can make you pay a heavy price. The ideal setup is a pair of long sleeve gloves along with splash goggles and a face mask. Bear in mind not to touch the walls of your container as you don't want to disturb the process of what's happening! What did you use for polishing your pieces and Im guessing you polished then added the chemicals after?Thanks, Joe, Question Use hemostats to hold a cleaning patch wetted with the solution and apply in nice, long, even strokes. OK, Buffing wheels, which Im making their own break-out response from the blueing salt issue: Buffing wheels are useful things in a gun shop. Dang it all. The parts are then oiled and allowed to stand overnight. Different colors can be achieved through variations of this method including quenching in oil instead of water. Heat the Steel. 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]. As a small thank you, wed like to offer you a $30 gift card (valid at GoNift.com). I saw you reference a coleman stove and propane tank for heating solution. 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. If you do not get crazy and over heat the steel there is no reason to be fearful of the process. You can blue heat-treated parts with no ill effects. If youre using acetone to de-oil, dont be afraid to do it more than once. New guns are typically available in blued finish options offered as the least-expensive finish, and this finish is also the least effective at providing rust resistance, relative to other finishes such as Parkerizing or hard chrome plating or nitriding processes like Tenifer. If you cant, just get them out of the case and allow air to circulate around them. "logo": { This crucible was heated to 730C (1,350F) for up to 6hours (the longer the heat was applied the thicker the case hardening). Blue this article statement I like 1.5 wide shop cloth myself). 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. For more information on using a blowtorch and protecting the steel, scroll down! All tip submissions are carefully reviewed before being published. How to remove discoloration from heat? - Forums - Miller Welding The tank of distilled water you heat with a camp stove, the kitchen stove (Im not responsible for marital discord and disruptions of conjugal relations) or some other much larger heat source to a boil. Free shipping for many products! Did you make this project? Some people might not have a tank long enough to contain a barreled action to boil out. Great column, and thanks for all the responses to various questions and comments. Oh mas oui.Express blueing, slow rust blueing, hot salt blueing, nitre blueing, carbona blueing all are better than cold blueing. At the end of this heating process the crucible is removed from the oven and positioned over a bath of water with air forced through a perforated coil in the bottom of the bath. This process was repeated until the desired depth of color was achieved or the metal simply did not color further. I wasnt planning on doing it for a few months. On another thread, we can go into nitre blueing, which is basically heating pins/screws/bits/bobs to 600F in a molten salt bath. If you need to use a blow torch, focus the flame tip on the area you want hardened. Dont pour water in to your bath! Apply heat to your object and heat up gently and equally. Brownells has steel tanks, and there are some steel/stainless long/thin tanks available from other sources. Thanks to all authors for creating a page that has been read 914,567 times. It is caused by a layer of oxide that forms when the steel is heated. Higher carbon contents will take longer to heat. Not only does it give you an alchemical feeling of satisfactionbut it also gives the metal a finish to stop corrosion. Also buffing wheels pre blue. They melt at, oh, somewhere about 280F. Your tanks better be tight, your stands for the tanks better be rigid, youd better have top-of-the-line fire extinguishers (NB the plural) available to you. To heat this, I use a Coleman camp stove and a 15# jug of LPG gas. You can make your own desiccant packs with kitty litter (I would recommend the unused variety). Even a fingerprint will affect the consistency of the colour. Wear safety glasses and gloves while working with hot metal. WHERE or when would the torch get used? Did you ever find out what oil they were using? 2. For the process your metal should be nicely polished for the best results.The more shinier the polish the more your end result will glow. I can' For the process your metal should be nicely polished for the best results.The more shinier the polish the more your end result will glow. Follow the instructions. 5. Above you can see some example pictures of the colour shades that can be achieved with this techniques.Have fun doing it! Blue Metal Shell 13 in 1 Welding Torch Nozzle Tip Cleaner For Welder Soldering. The potassium nitrate will liquefy at around this temperature and blue your items at a relatively quick speed. Theyll usually go in from the right, and be drifted out from the left (ie, drifting them from left to the right as the muzzle is pointed away from you). *700F is very close to the heat treatment temperature of some steels. 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 ? Just take them from the comments he posts. $3.59. 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. This article was co-authored by wikiHow staff writer, Hunter Rising. The book claims they used wait for it "boiling gasoline" not making this up to clean them. it would appear these sights are drifted into dovetails. The inside barrel was saved by the fact it was so full of lead fouling. Ive used this method in a pinch to make a tap from a cheap mild steel bolt to chase out galled female threads. Below is a link to a video I found on YouTube that shows the process. Then the crucibles would be removed from the furnace and placed over boiling hot water and air would be bubbled through the water and the parts would be dropped into the water. Not blessed with a climate controlled safe. Youre a gunsmith who has a lot of nice guns! Dont mess with hot salts. 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. Ships from and sold by Direct-Wholesale. Bluing is most commonly used by gun manufacturers, gunsmiths, and gun owners to improve the cosmetic appearance of and provide a measure of corrosion resistance to their firearms. Youll want to clamp on the barrel directly under the sight youre about to drift out. I use kerosene to wet my paper from 500 on up. Premium fencing blades are often offered with a blued finish. 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. The part you want to place in the receiving part is cold often just placed in a freezer for a few hours. DG thank you. For the chemical, the bluing solution should be either Oxynate No. Depending on the manufacturers manual, youll have to prepare roughly 6 to 8 tanks to perform the bluing effectively and efficiently. Both ingredients are super cheap. 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 have always wondered about storage in gun soft cases or the foamed Hard cases, and humid or dry, heat and cold. 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. You dont want to affect the hardness of your steel in critical areas like actions, bolts, bolt lugs, barrels, chambers, etc. Put all the components into the tank and wait for 5 15 minutes. 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.
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