I used Brownells Plum Brown, a product that requires that the barrel be heated to 275 degrees to activate the reaction. Did you ever find out what oil they were using? Thanks to all authors for creating a page that has been read 914,567 times. Larger flames produce less heat while smaller flames produce a higher heat. 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. 1/16-inch pivot wire has a circumference of ~0.2in. Fill the tank with a suitable amount of water then add in the bluing salt using the correct ratio. Question Hot bluing should never be attempted on aluminium, as it reacts it usually dissolves in the caustic salt bath. ", not only fun, but also profitable. It had been thoroughly degreased before my first attempt, but in trying to repair a poor result, I apparently contaminated it a bit. His enthusiasm for handling firearms and hunting gear inspired him to create the Shooting Mystery blog. For this reason, it is considered not to add any appreciable thickness to precisely-machined gun parts. 4 years ago 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. Bluing is also used in seasoning cast-iron cookware, to render it relatively rust-proof and non-stick. You want 0000 steel wool for carding between coats. Share it with us! You need to adjust the boiling point of the salts for your altitude. This works well for me. You can reassemble the gun after. Your container should be relatively larger than your object. "url": "https://shootingmystery.com/wp-content/uploads/2021/01/How-to-Blue-Stainless-Steel-in-5-Easy-Steps.jpg" Referring to the post that started all of this; Dyspeptic Gunsmith says: Not blessed with a climate controlled safe. 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. I pulled the temp off the top of my head. "https://www.youtube.com/channel/UC6dwEQfHK1tk_ZeaA4PniOA/", Thanks for the lesson, DG. Once the steel is clean, you can begin heating it up. These include hot bluing, cold bluing, niter bluing, and so on. DG should receive a stipend for his valuable contributions to TTAG. The hot washing soda tank typically used in gunsmith shops is caustic washing soda, and if you leave the gun in long enough, youll start to see corrosion on the gun before you get to the blueing step. Spray down the whole barreled action with copious amounts of WD-40, inside and out. 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. Take them out after a couple of minutes and then wipe them clean to remove excess oil. 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 As mentioned, cold bluing can be done at room temperature with decent results. I believe the change of color is due to a growing thickness of an oxide layer. this produces better, less turbulant gas flow, which will reduce heat traces. WebBluing is a passivation process in which steel is partially protected against rust using a black oxide coating. After the Civil War they switched to another process. By using our site, you agree to our. If everything appears good, then you can transfer the components into a hot water tank. 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. Before you start, it might do you well to mark the sight base on each side of the dovetail with a Sharpie marker, so you can see when the sight begins to move. List Price: $18.64 $18.64. Tenifer get's up to (1077F) last I checked and was the 5th step in Glock heat treating after that they Pakerize it. You heat the outside member only when you do a shrink fit.). The differential cooling causes patterns of colors to appear as well as hardening the part. Either of these two methods is called 'hot bluing'. To temper the steel so it isn't brittle, place it in an oven heated to 375 F for 3 hours, and then it let it cool overnight. Youll get a dark spot right there. The name of the process actually comes from the blue-black appearance of the black iron oxide. If you need to use a blow torch, focus the flame tip on the area you want hardened. Youre a gunsmith who has a lot of nice guns! Keep posting like this. The inside barrel was saved by the fact it was so full of lead fouling. Following the treatment in the bluing tank, relocate the components to a cold water tank. My apologies for the background noise in the first half of the video We had compressors running where I had to shoot this This video shows how to blue steel parts using an oven or torch and quenching in oil This method is not the professional method using bluing salts but can be done in your home with a torch or if you have access to a high temperature oven This method will provide your parts some protection from corrosion and show how to achieve different colors in the steel by varying temperatures I am not a professional so please spare me the that s not hot bluing and other criticisms If you don t like it turn it off Hope this comes in handy for someone, How to take apart disassemble and put together assemble a 1911 pistol 1st method, Stevens 20 Gauge Break Action Shotgun Project - Part 4 Cold Bluing with Brownells Oxpho-Blue Creme, Van's Instant Gun Bluing - Removing Gun Rust, Cold bluing Steel blackening How to use Tifoo Black Devil - burnishing steel, Gun Bluing - Colt Official Police 38 Special, Vintage Screwdriver Cold Bluing Br nierung Restore No 2, Slow rust bluing O1 knife blades part two, Easy and Fast bluing touch up Presto Gun Blue Pen, DuraBlue Spray-on Bluing Aerosol Application Process Polished Version, Axe Restoration Part Two Bluing With Birchwood Casey Superblue, Birchwood Casey Aluminum Black Super Blue and Metal Work on a Tanfoglio TA22S, Gun Bluing using cold blue and heat Weihrauch HW35 E Restoration, Perma Blue Gun Blue Paste Birchwood Casey. Depending on the manufacturers manual, youll have to prepare roughly 6 to 8 tanks to perform the bluing effectively and efficiently. I have done a cold blue on a very rusted .22 for a friend. It repeats the process adn by the time the head moves on to the next station all the parts are seated presumably for the life of the head. For more information on using a blowtorch and protecting the steel, scroll down! 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? This step should be done before heating the steel, as the steel should be quenched immediately after removing from heat. Only 3 left in stock - order soon. You'll probably be fine following these instructions - you'll probably be OK driving home a little drunk, too. 5. Above you can see some example pictures of the colour shades that can be achieved with this techniques.Have fun doing it! ")You're ABSOLUTELY right. Also, the results you indicate are typical of still having some oil on the gun. This is an alternative method for creating the black oxide coating. -2x containers (one of them preferably being metal for the oil), -unleaded petrol/Acetone/Terpentine/Rubbing alcohol or any good degreaser, -metal object/s (I used mild steel, Please note this method should NOT be used on tempered/hardened steel as you will effect the properties of the metal). the cost of all the tanks you need for rinse & boil-out Still, you will find that cold blues dont last. Any gun. Fume bluing is another process similar to rust bluing. Remember the oil is probably gonna release some smoke/fumes once the piece is quenched so as said before: please do this step in a well ventilated area. Ive learned a LOT. Sorry for the misunderstanding. Just take them from the comments he posts. 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. WebHeat the blade for 15 to 20 minutes in an oven set on 325 Fahrenheit if the handle is metal. ], Find many great new & used options and get the best deals for 13 in 1 Metal Shell Welding Torch Nozzle Tip Cleaner For Welder Soldering at the best online prices at eBay! Youre just using stump remover to do it. The downsides are: the safety issue, which I laid out above, and which youve made clear. Above you can see some example pictures of the colour shades that can be achieved with this techniques. If a bank transfer is made but no receipt is uploaded within this period, your order will be cancelled. Depending on what solution you use, the tank temperature must be maintained somewhere between 240 and 310 degrees Fahrenheit. Christopher Graham writes all the content and reviews on this site with the help of his team of hunters and shooters. gas coverage is another big one. 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. 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. 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 . This is not advisable. 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. Itll take perhaps 20 minutes to really dry down. Note that it has to be a different tank from the one you used for Step 2. 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. Let them cool down as you take a closer look at the bluing effect. The de-greasing you do directly affects the uniformity of the browning or blueing. 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). fascinated with blacksmithing, but have not had an income to even get it started. If you look at the temps that Tenifur(SP) and Melonite(sp) and early Pakerizing processes used this is nothing. I really appreciate you taking the time to share it DG. I wouldnt use this bluing method for these items. Buffing wheels have their purpose, but they take real skill to use without making a mess of guns, starting with the selection of the wheel (theres, oh, at least six types of buffing wheel), choice of type of compound, choice of grit of compound, choice of wheel speed (many buffers have only one speed, and there are some jobs where you really want a 3-phase motor on your buffer with a VFD to adjust the speed down from 1800 or 3600 RPM) and so on. Sign up for wikiHow's weekly email newsletter. Stand on end over some paper towels to drain. There are 10 references cited in this article, which can be found at the bottom of the page. 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. Rinse them in a cold water tank after. Not only does it give you an alchemical feeling of satisfactionbut it also gives the metal a finish to stop corrosion. Just dont. 99. I ended up with some spots where the browning did not take, and a few dull spots, most of which I was able to buff out with steel wool soaked with gun oil. Color case hardening is the predecessor of all metal coloring typically employed in the firearms industry. Never know when it will come in handy. Slow rust blueing can take a week or more to accomplish, but it is a durable blue job like no other. "Bluing" is the process of oxidizing steel to create a durable, corrosion-resistant layer. By signing up you are agreeing to receive emails according to our privacy policy. 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. Free shipping for many products! If the magnet doesnt stick, its ready to be pulled away from the heat. Safety is the number one priority so protect your body as much as possible. "https://www.pinterest.com/theshootingmystery/", Aluminium (Al) and polymer parts cannot be blued, and no corrosion protection is provided. Salts. 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. You then oil or wax over the finish when youre done. You can then u. se a soft brush to gently remove all the residue of the cleaning solution on the components. This article was co-authored by wikiHow staff writer, Hunter Rising. A non-linear resistance property of the blued steel of razor blades, foreshadowing the same property later discovered in semiconductor diode junctions, along with the ready availability of blued steel razor blades, led to the use of razor blades as a detector in crystal set AM radios that were built by servicemen (as foxhole radios) or by prisoners of war during World War II.[8]. If the solution is still boiling vigorously, then you can expect the bluing to happen naturally. FigureLLC. The parts must be observed constantly for colour change. I have always wondered about storage in gun soft cases or the foamed Hard cases, and humid or dry, heat and cold. The cross section and size of parts affect the outcome of the finish and time it takes to achieve. Higher carbon contents will take longer to heat. Woodworkers doing furniture finishing will use 000 and 0000 wool, and they hate oil on their wool for rubbing down oil finishes. How do I harden a steel hammer so that is lasts longer and is more durable? on Introduction, Hello my name is Joe and Im doing a project where Im trying to achieve the same outcome. The content is not meant to be a replacement for professional service advice. High temperatures and dangerous chemicals mean that a moment of carelessness can make you pay a heavy price. (You say the rod was heated, but it couldn't have been, as it was on the inside. If you want it smoother/shinier, you can polish up to 600 grit, with wet-or-dry paper. This process leaves a deep blue-black finish. "sameAs": You might need two applications to clean up more deeply rusted spots. "Rust bluing" and "fume bluing" provide the best rust and corrosion resistance as the process continually converts any metal that is capable of rusting into magnetite (Fe3O4). They melt at, oh, somewhere about 280F. I don't understand why you are submerging it in oil? Metal parts that look black or blue-black are usually blued (rather than painted). *700F is very close to the heat treatment temperature of some steels. Reply Quenched steel is harder, but it becomes more brittle. 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. I have to finish my M76 and Galil first and buy the materials. Get it Feb 25 - 27. I wish this article had come out sooner, since I did not know that 0000 steel wool may have oil in it.
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