Also Dont get the 275-300F bath on you. "@context": "http://schema.org/", Follow the instructions. FigureLLC. With. Cold blueing is OK for touchups, at best. If you are referring to torch bluing, the Heat the Steel. Also thanks DG! This step should be done before heating the steel, as the steel should be quenched immediately after removing from heat. 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. "https://www.reddit.com/user/theshootingmystery" Its nice when something can be re-used a time or two, especially when used in diversified ways. 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. Heating it again to a lower temperature will not introduce additional martensite. Thanks for the lesson, DG. You MUST plug your barrels, gas cylinders, remove your pistons, etc. Its much cheaper anyways. They melt at, oh, somewhere about 280F. 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. on Introduction. 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. Dont pour water in to your bath! When youre done, attach the thermometer to the tank and fire up the burner. Referring to the post that started all of this; Dyspeptic Gunsmith says: It is usually sold in a 1lb bottle for $3, you'll need 3 or 4 pounds probably. Process that partially protects steel against rust, This article is about the historical uses of black oxide. Copyright 2023 Flixsterz. This crucible was heated to 730C (1,350F) for up to 6hours (the longer the heat was applied the thicker the case hardening). 4.3 out of 5 stars 242 ratings-30% $12.99 $ 12. Larger flames produce less heat while smaller flames produce a higher heat. As I'm bluing round pieces I slowly and evenly rotate the piece over the flame to equally disburse the heat. Even a fingerprint will affect the consistency of the colour. Both ingredients are super cheap. Its durable and wears well. All tip submissions are carefully reviewed before being published. There are many methods you can use to blue the steel. I have in the past few years became more and more. Next comes the main part. If you want to blue something fast I have a cheap hot blue method: Lowes stump remover: Did you ever find out what oil they were using? Bluing is a passivation process in which steel is partially protected against rust using a black oxide coating. Wear safety glasses and gloves while working with hot metal. It is generally employed on smaller parts such as pins, screws, sights, etc. Do this outside, so you can do this next part: Just whip the steel wool at arms length to extract the excess acetone. Various processes are used for the oxidizing process. Cold blues will Ive used this method in a pinch to make a tap from a cheap mild steel bolt to chase out galled female threads. "I have very limited knowledge as to how metal can be manipulated for different applications. 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. The melting point for KNO3 is 633F. 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. Wear thick gloves and a face mask before you quench your steel so the water or oil doesnt splash onto your hands. I handed a buddy my wallet and cell phone, and stepped under the safety shower and got wet. I wish this article had come out sooner, since I did not know that 0000 steel wool may have oil in it. Battery acid is childs play compared to blueing salts. To harden steel, start by heating the metal directly with a blow torch until it turns a cherry red color. The actual temperature of the steel depends on the carbon content inside. Not blessed with a climate controlled safe. 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). "url": "https://shootingmystery.com/wp-content/uploads/2021/01/How-to-Blue-Stainless-Steel-in-5-Easy-Steps.jpg" 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. If there is any finish left on the metal, it will interfere with the bluing pr 4 years ago "https://www.youtube.com/channel/UC6dwEQfHK1tk_ZeaA4PniOA/", Just dont do it. 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 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. RF: Expect a write-up from me on Rust blueing and parkerizing in the next couple of weeks. You will get it. Pour in Wait for 10 15 minutes and then take out the components. Alternatively, You could store them in a hard case (like a pelican with a purge) and throw some desiccant packs in there as well. Hunter Rising is a wikiHow Staff Writer based in Los Angeles. . Just take them from the comments he posts. Friction, as from holster wear, quickly removes cold bluing, and also removes hot bluing, rust, or fume bluing over long periods of use. By using our site, you agree to our. ", the wrong quality steel. Another good test for determining when the steel is ready is seeing if a magnet sticks to its surface. Every true outdoorsmans dream! 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. Fume bluing is another process similar to rust bluing. I tried heating the barrel in sections (as Brownells says is ok) but did not get a very good result, being unable to get a uniform heat in any =thing approaching more than a few inches at a time. In fact most guides no matter their material cast iron to bronze and often bearing races are installed the same way. Craig, torch bluing is a real thing that has been use a lot in the custom gun world, mostly for screw heads but even for complete muzzle loader creations ( the vendor will be quite proud of his work it seems as cost increases considerably to a finished item). Any gun. Mark the sharpened edge with a crayon. Notify me of follow-up comments by email. Polish to at least 400 grit. I found through my bluing adventure that different oils do act slighty different but ultimately everything I've used has done the job. 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. 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! Isn't the point of the acetone to degrease, why would i grease? NaOH will quickly and completely dissolve aluminum. I'm trying to be positive and constructive, and think this is: for an amateur to stick a very hot torch-heated metal object into a plastic container filled with oil is simply dumb (ok, more polite: "irresponsible") at best, highly dangerous at worst. Spray down the whole barreled action with copious amounts of WD-40, inside and out. An ideal temperature is 180 degrees Fahrenheit but it also depends on the manual. "I am nearly 16 and can not wait until I have my drivers license. DG should receive a stipend for his valuable contributions to TTAG. Next, suspend the components in a cleaning solution tank to get rid of dirt, oil, grease, and crud. "publisher": { 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. Right now I'm working on excavator replacement pins! Red rust is Fe2O3, and is incomplete rust it will continue allowing the surface to corrode over time hence the oil or wax. tighter your arc, the less the heat input will be. Metal parts that look black or blue-black are usually blued (rather than painted). 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. Besides those, you must also have water displacing oil and cleaning solution (Dicro-Clean 909). You turn up your nose at crap guns? }, I didnt drop outta my mommas womb being able to do this stuff. Rust bluing is also used on shotgun barrels that are soldered to the rib between the barrels, as hot bluing solutions melt the solder during the bluing process. 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 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). Blow torches only heat a small concentrated area. occasionally I'll buff it afterwards. Mea culpa. If you do not get crazy and over heat the steel there is no reason to be fearful of the process. Ill detail why. I use kerosene to wet my paper from 500 on up. Keep posting like this. Fe3O4 requires chemicals and/or heat to push the iron to full oxidation. SO, DG; unless I missed it, I am assuming the torch is used separate from heating the tank/ container with the boiling solution.
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