bluing steel with a torch

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. Cold blueing solutions usually just dont wear well. 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. They melt at, oh, somewhere about 280F. It is named after the blue-black appearance of the resulting protective finish. You can then use a soft brush to gently remove all the residue of the cleaning solution on the components. WebHeat the blade for 15 to 20 minutes in an oven set on 325 Fahrenheit if the handle is metal. Is the torch used to heat metal ..ONLY.with Cold bluing? Heating it again to a lower temperature will not introduce additional martensite. Hes claiming that method is more durable than Blue alone. Then you pull it out and scrape off the oil along the blade edge. Posted December 21, 2009. Its a good process, but it isnt a 1:1 replacement for blueing. 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.. Thanks for always being so willing to share, Sir. Ive used this method in a pinch to make a tap from a cheap mild steel bolt to chase out galled female threads. 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. I wish this article had come out sooner, since I did not know that 0000 steel wool may have oil in it. Add in the 250F+ temperatures of the salts when they hit your skin, and youre both burned thermally and chemically in seconds. Above you can see some example pictures of the colour shades that can be achieved with this techniques. Thanks, 8 years ago 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. When the first patch gets really funky, then drop that in your plastic garbage container (remember, these patches have been soaked in acid solutions! [ I wouldn't recommend either. That surface rust on the barrel could be polished off easily. When youre done and have neutralized & washed off the Express Blue #1 solution, you then should spray down the barrel with water-displacing oil. Various processes are used for the oxidizing process. And for the next (after the next) installment, how to do hard case coloring. -Something to hold your piece with, make sure it's appropriate to hold it with so it doesn't get too hot in your hands. 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. Usually, you can find the manufacturers recommended ratio in the product manual. Brownells has steel tanks, and there are some steel/stainless long/thin tanks available from other sources. Were committed to providing the world with free how-to resources, and even $1 helps us in our mission. What I forgot to mention in all of this is a detail that seems mundane, but it critically important: Wear cotton gloves. 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. If a bank transfer is made but no receipt is uploaded within this period, your order will be cancelled. Why do you bother with all this crap?. Another good test for determining when the steel is ready is seeing if a magnet sticks to its surface. Haha. When youre using polishing paper, you think that 600 grit is very fine, and it is taking you hours to polish out something to 600. Although the steel parts, such as anOrdains watch hands, are near enough miniscule, each Blue or Black rust is complete passivation of the steel surface Fe3O4. 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. Spray down the whole barreled action with copious amounts of WD-40, inside and out. However, if the bluing effect isnt satisfactory, then you can try giving the components an acid bath (using Hydrochloric Acid). NaOH will quickly and completely dissolve aluminum. 500F-600F is often all that is needed and the parts can be done over and over again you just have to clean between each attempt. Your 700F temp is too high, IMO. The bottom of the crucible is opened allowing the contents to drop into the rapidly bubbling water. Blow torches only heat a small concentrated area. you may benefit from the use of a gas lense as well. It is usually sold in a 1lb bottle for $3, you'll need 3 or 4 pounds probably. 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. } Then, you can put the components back into the bluing tank and increase the temperature until you see the blued steel. Before operating your torch, read all instructions so you know how to handle it safely. Thank you so much for sharing such a great article. -An old container filled with your chosen degreaser (unleaded petrol), -Your desired polished metal object/s (very important! 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. "width": "1500", Red rust is Fe2O3, and is incomplete rust it will continue allowing the surface to corrode over time hence the oil or wax. The parts must be observed constantly for colour change. You are a fantastic resource for all of us here. Every true outdoorsmans dream! Go on and start bluing! These processes were later abandoned by major firearm manufacturers as it often took parts days to finish completely, and was very labor-intensive. 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. Brownells has a product that will strip blueing and rust (Fe3O4 and Fe3O2, respectively) and not corrode the underlying steel.Remove the barrel & action from the stock. This method was adopted by larger firearm companies for large scale, more economical bluing. Ill be saving this for the future. I saw you reference a coleman stove and propane tank for heating solution. 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. You'll probably be fine following these instructions - you'll probably be OK driving home a little drunk, too. Thoroughly degrease the area to be reblued with acetone. Wear disposable nitrile gloves, work in adequate ventilation, bag and dispose of all rags/towels used in the process in their own bags, and quickly. His enthusiasm for handling firearms and hunting gear inspired him to create the Shooting Mystery blog. It's worth noting that there can be some additives in motor oil that release hydrocarbons when burnt which is a known carcinogens to the body (in other words: Bad Stuff!). However, rust bluing small areas often match, blend, and wear better than any cold bluing process. occasionally I'll buff it afterwards. To remove pitting and keep the barrel profile intact requires skill with a file, and that requires hands-on training. WebBluing is a passivation process in which steel is partially protected against rust using a black oxide coating. ", the wrong quality steel. wikiHow is where trusted research and expert knowledge come together. Ventilation is important. Its the corrosive gift that just keeps on giving. Polish to at least 400 grit. 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. Cold bluing is not particularly resistant to holster wear, nor does it provide a large degree of rust resistance. This article has been viewed 914,567 times. Wear safety glasses and gloves while working with hot metal. 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). You work on nice guns! No. Please be careful with the cold bluing solutions. You can blue heat-treated parts with no ill effects. When the liquid stops bubbling, remove the metal from the container and wipe off any excess liquid. Just let any residual matter evaporate/dry. You dont want to affect the hardness of your steel in critical areas like actions, bolts, bolt lugs, barrels, chambers, etc. After that, slowly and steadily stir the solution in the tank to dissolve the salt. Usually they would pack the parts in crucibles and surround them with leather, wood, coal,bone etcThey would heat them up to 1200F to 1500F and hold them at this temp. Any gun. Hopefully these concepts suggest caution and diligence for what you are doing. When polishing something like the above rifle/shotgun, youve got a pretty light coat of rust, without severe pitting. I wore latex gloves, as Brownells recommended, but used a pot holder to handle the hot barrel, and that may have been the source. Rinse them in a cold water tank after. 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. Friction, as from holster wear, quickly removes cold bluing, and also removes hot bluing, rust, or fume bluing over long periods of use. Besides those, you must also have water displacing oil and cleaning solution (Dicro-Clean 909). To shrink, I assumed you heated the steel plate only, to expand the hole in it. Dont leave cold blue solutions around anywhere pets or kids could get at them. Just dont. Note that it has to be a different tank from the one you used for Step 2. ", https://mgs.edu/making-chisels-skips-newsletter/, http://www.technologystudent.com/equip1/heat1.htm. 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. "https://www.youtube.com/channel/UC6dwEQfHK1tk_ZeaA4PniOA/", Now, using the information above, you should have little problem bluing your firearms on your own. As a small thank you, wed like to offer you a $30 gift card (valid at GoNift.com). 3 years ago pliers, mole grips, -An old metal container (I know, a plastic container is pictured but always use a metal one) filled high enough with oil to completely submerge your steel object would be ideal. Central Texas. 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 this article statement 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. on Introduction, Hello my name is Joe and Im doing a project where Im trying to achieve the same outcome. Rinse them in a cold water tank after. "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). Even a fingerprint will affect the consistency of the colour. The differing rate of cooling for each area produced a different color creating that rainbow effect. I now want to reverse the process so I can drill and tap the metal tip. It is generally employed on smaller parts such as pins, screws, sights, etc. It is always essential to remove all oils from metals you want to blue, even if the cold blueing solution claims you dont need to do so. Ill wait for and look forward to your article! on Step 1. Oxides come after its been heated to a red heat and cooled. You can make a Caustic Soda KNO3 water bath: 65% Lye (aka sodium hydroxide) Either of these two methods is called 'hot bluing'. 5 years ago, I found that heating will turn steel silver ~> gold ~> violet ~> blue. Isn't the point of the acetone to degrease, why would i grease? Next comes the main part. No one can even tell you what the heat treat is on a 1895 Mauser for instance yet we do not wet ourselves before we shoot one! Use a smaller toaster oven if your piece of steel fits inside. Thanks to all authors for creating a page that has been read 914,567 times. Stand on end over some paper towels to drain. the cost of the burners or heaters to heat up all these tanks really only practical if you have natural gas available Christopher Graham writes all the content and reviews on this site with the help of his team of hunters and shooters. The steel was mild steel and had very little carbon content. 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. 'Browning' is controlled red rust Fe2O3, and is also known as 'pluming' or 'plum brown'. 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. Sign up for wikiHow's weekly email newsletter. Now you slide the cold rod in, and the plate cools, gripping the rod. I wouldnt use this bluing method for these items. To heat this, I use a Coleman camp stove and a 15# jug of LPG gas. Let them cool down as you take a closer look at the bluing effect. What is your opinion of the 2 to 1 lye and potassium nitrate bluing solution? The differential cooling causes patterns of colors to appear as well as hardening the part. The practice of bluing steel takes time and an exquisite eye for detail. Free shipping for many products! The rod was heated and the plate 2" square was inserted and the rod shrunk onto it. This article received 28 testimonials and 92% of readers who voted found it helpful, earning it our reader-approved status. For more information on using a blowtorch and protecting the steel, scroll down!

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