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 Ive gotten hot blue salts on me splashed into my hair. Similarly, stainless steel parts may be immersed in a mixture of nitrates and chromates, similarly heated. The rod was heated and the plate 2" square was inserted and the rod shrunk onto it. for 6-8 hours. Were committed to providing the world with free how-to resources, and even $1 helps us in our mission. 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. Note that it has to be a different tank from the one you used for Step 2. *Potassium Nitrate is an oxidizer. Again, dont mess around with these chemicals and only handle them with extreme attention. I wouldnt use this bluing method for these items. Are you sure you want to heat the steel to 700F in that early step? 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. it takes a long time to heat up a long (ie barreled action length) tank that is, oh, three barrels wide. 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. 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. 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. you may benefit from the use of a gas lense as well. That would be a hot salt blueing mix. What is your opinion of the 2 to 1 lye and potassium nitrate bluing solution? You then oil or wax over the finish when youre done. 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. Alternatively, You could store them in a hard case (like a pelican with a purge) and throw some desiccant packs in there as well. However, if the bluing effect isnt satisfactory, then you can try giving the components an acid bath (using Hydrochloric Acid). High temperatures and dangerous chemicals mean that a moment of carelessness can make you pay a heavy price. On another thread, we can go into nitre blueing, which is basically heating pins/screws/bits/bobs to 600F in a molten salt bath. No. : Make sure it is made from Mild Steel or Titanium. This process was repeated until the desired depth of color was achieved or the metal simply did not color further. By the time I was done it looked like it was a beat up 5 year old gun rather than a 1930s bolt .22 that came from a scrap yard. Bluing is often a hobbyist endeavor, and there are many methods of bluing, and continuing debates about the relative efficacy of each method. Always back your paper when youre polishing over edges and up against features. Both refer to the same chemical process for providing true gun bluing.[1]. There wasnt a whole lot of pain just yet until my buddy took the safety bottle of vinegar solution used to neutralize the alkaline NaOH salts, and then the pain was there. The differential cooling causes patterns of colors to appear as well as hardening the part. Why do you bother with all this crap?. the cost of the burners or heaters to heat up all these tanks really only practical if you have natural gas available Different colors can be achieved through variations of this method including quenching in oil instead of water. on Introduction. I wish this article had come out sooner, since I did not know that 0000 steel wool may have oil in it. Its essential to keep stirring the tank to prevent the forming of hot and cold areas. $36.73. Wear thick gloves and a face mask before you quench your steel so the water or oil doesnt splash onto your hands. As mentioned, cold bluing can be done at room temperature with decent results. 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. on Introduction, Hello my name is Joe and Im doing a project where Im trying to achieve the same outcome. 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. It is named after the blue-black appearance of the resulting protective finish. -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. In this case cooking oil, rather than gun oil, acts to displace water and prevent rust. Very helpful! This answer was tested with a utility knife blade and it drilled through with ease. 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). "@type": "ImageObject", To heat this, I use a Coleman camp stove and a 15# jug of LPG gas. If you are referring to torch bluing, the They melt at, oh, somewhere about 280F. kitty litter (I would recommend the unused variety). Many older browning and bluing formulas are based on corrosive solutions (necessary to cause metal to rust), and often contain cyanide or mercury salts solutions that are especially toxic to humans. Accidental exposure to the chemicals could result in serious injuries. Still, you will find that cold blues dont last. Ill be saving this for the future. Gas burners can usually do the job for this. Large scale industrial hot bluing is often performed using a bluing furnace. 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. All About Bluing Steel Stainless Steel Necessary Gears and Tools Procedure Step 1: Ready the bluing tank Step 2: Process the components of the gun Step 3: Suspend "https://www.reddit.com/user/theshootingmystery" The ideal setup is a pair of long sleeve gloves along with splash goggles and a face mask. Next, suspend the components in a cleaning solution tank to get rid of dirt, oil, grease, and crud. Make sure to check every nook and cranny of the components so that you can find any discoloration or blemishes. The higher temperatures of the other processes as well as their caustic nature could weaken the soldered joints and make the gun hazardous to use. on Introduction. It was left in a flannel gun case in the back of a moist closet for 25+ years. Remove any previous finish. Enjoy! Hi SteelJunkee Method is as follows: Fit rod into drill and set at constant speed Clean rods with acetone on clean rag Use butane and propane mix blow torch to achieve colour range Quench in water Dry The weird thing is that they look great for around 4-5 days then deteriorate. Most waters in the Rockies clear out to the west coast will have high(er) dissolved solids in them. Heating white, degreased steel to 550 to 600F results in brilliant colors. { You'll probably be fine following these instructions - you'll probably be OK driving home a little drunk, too. Dont touch the metal with your bare hands since it could cause severe burns. 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. The color is oxide, but I believe you can scrape it off. It is one smoooooth profile, from one end to the other. Instead of applying the acid solution directly to the metal parts, the parts are placed in a sealed cabinet with a moisture source, a container of nitric acid and a container of hydrochloric acid. of the steel than do not even try this on something that is anything other than artistic in nature! Submerge in water and scrape edge. That seems wasteful. Take them out after a couple of minutes and then wipe them clean to remove excess oil. Cold blueing solutions usually just dont wear well. Safety is the number one priority so protect your body as much as possible. Ill be buying the stainless tubs and chemicals to do it and go for as close to black as I can get. If you are new to the subject and are in need of detailed instructions, then youve come to the right place. So unless you have sufficient equipment and skill, its advised to let a professional perform the bluing for you. -A heat source. The book claims they used wait for it "boiling gasoline" not making this up to clean them. Use a backing block of wood or even a Pink Pearl rubber eraser. This step should be done before heating the steel, as the steel should be quenched immediately after removing from heat. 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. So basically, youll want the rifle in the vise with the muzzle pointed to your left. Thanks for always being so willing to share, Sir. In colloquial use, thin coatings of black oxide are often termed 'gun bluing', while heavier coatings are termed 'black oxide'. Hardened steel prevents knife blades from dulling and tools from bending and breaking. If you tempered the steel with a blow torch, set the metal on an anvil or another large steel surface to conduct the heat. Just use distilled water. The mixed fumes of the acids produce a uniform rust on the surface of the parts (inside and out) in about 12 hours. Once you get the colour you want, go outside to your oil container and fully quench your object into the oil! All those materials the leather and bone the coal where sources of carbon and other trace elements. Put 600 grit compound on a wheel, use a little too much pressure and youll be gob-smacked at how fast it can cut material off the gun. Ive used this method in a pinch to make a tap from a cheap mild steel bolt to chase out galled female threads. You might be able to start at 320 grit. Hang the trigger group again, re-stock and you should be done. I plan on doing this on a couple of older beaters first. Itll evaporate rather rapidly, but still, dont whip it at cars or house finishes. Also Dont get the 275-300F bath on you. The process isnt intended for bronze. This heating forms the blue on the plate. Dont drop or try to bend the steel once its removed. 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). -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). "I have very limited knowledge as to how metal can be manipulated for different applications. Every true outdoorsmans dream! I want to add rainbow color to safety razor blades that would be used again, how can I do this? Also buffing wheels pre blue. Treating with an oiled coating enhances the protection offered by the bluing. Thank you so much for sharing such a great article. Battery acid is childs play compared to blueing salts. When you add water to a hot salt tank, you get an explosion of steam, and you need to develop some skill in adding the water with a very fine copper pipe on your water hose to prevent steam blow-outs spattering salts all over you. "dateModified": "2022-03-27", Im not responsible for marital discord as a result of gun projects attempted on the kitchen stove. Following the treatment in the bluing tank, relocate the components to a cold water tank. I had to sand and restain the stock, and sanded the barrel from 120 down to 400 grit the pitting was so bad. This process is also the only process safely used to re-blue vintage shotguns. I can see my wife walking in and shaking her headabout as vigorously as when I asked if I could use the dishwasher to clean some tools. And thats about everything you need to know about stainless steel bluing. In literally 10 seconds on a buffing wheel incorrectly applied, I could screw that up to a point where it might take be eight+ hours of hand polishing to recover my prior results. When everything is set up, put on your protective gear and then get down to business. JUST DONT. Thoroughly degrease the area to be reblued with acetone. However, oil may spill and create a fire hazard if the steel is put into the oil too quickly. RF: Expect a write-up from me on Rust blueing and parkerizing in the next couple of weeks. List Price: $18.64 $18.64. 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. "url": "https://shootingmystery.com/wp-content/uploads/2017/01/Shootinglogo.png" The colours range through straw, gold, brown, purple, blue, teal, then black. You should put the brass drift (which you can make out of a piece of brass rod about 1/4 in diameter) on the sight base, and then start tapping the end of the drift with a small hammer. 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. Itll take perhaps 20 minutes to really dry down. 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. Picture Information. 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!). With. 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. 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).
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