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I believe the change of color is due to a growing thickness of an oxide layer. "https://theshootingmystery.tumblr.com/", of the steel than do not even try this on something that is anything other than artistic in nature! 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. 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! After three coats, washing and drying, the finish was not too bad, considering I was (and am) a rank amateur. In colloquial use, thin coatings of black oxide are often termed 'gun bluing', while heavier coatings are termed 'black oxide'. Ill detail why. This article has been viewed 914,567 times. "dateModified": "2022-03-27", http://www.lowes.com/pd_188198-316-HG-66420_0__?productId=4764059 It is slow rust blueing. Only 3 left in stock - order soon. Cooking off the more volatile hydrocarbons leaving the heavier ones produces a different effect yet again. You can not do this method with Aluminium because it won't reach the temperatures required for bluing, it will just melt. Bluing is also used in seasoning cast-iron cookware, to render it relatively rust-proof and non-stick. Not blessed with a climate controlled safe. This is all from memory so I might have left some stuff out. Get it Feb 25 - 27. Blue Metal Shell 13 in 1 Welding Torch Nozzle Tip Cleaner For Welder Soldering. They are still sometimes used by gunsmiths to obtain an authentic finish for a period gun of the time that rust bluing was in vogue, analogous to the use of browning on earlier representative firearm replicas. You heat the outside member only when you do a shrink fit.). Colour case hardening occurs when soft steels were packed in a reasonably airtight crucible in a mixture of charred leather, bone charcoal and wood charcoal. Question 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. "author": "Christopher Graham", 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. Higher carbon contents will take longer to heat. on Introduction, Hello my name is Joe and Im doing a project where Im trying to achieve the same outcome. 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 Free shipping. Safety is the number one priority so protect your body as much as possible. You are a fantastic resource for all of us here. Ventilation is important. If you have very light, fine pitting, you can polish this out. It was left in a flannel gun case in the back of a moist closet for 25+ years. 8 years ago I wore latex gloves, as Brownells recommended, but used a pot holder to handle the hot barrel, and that may have been the source. 2 years ago 2 years ago, For the record The gentleman said multiple times that the plastic container shown in the pictures was just for the instructional photos and to be sure that the container is made of metal for this process, (Homer Simpson smacking his forehead: "DOH! By using our site, you agree to our. The rust then turns to black-blue Fe3O4. When Im polishing on barrels, I polish lengthwise. The actual temperature of the steel depends on the carbon content inside. You can improve your results by doing two things: 1. Include your email address to get a message when this question is answered. 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). No. A few safety items: 1. You will need:-2x containers (one of them preferably being metal for the oil)-oil -unleaded petrol/Acetone/Terpentine/Rubbing alcohol or any goo 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. Further, I probably would have used a coarser wet-dry to prep the raw steel (this was a kit Kentucky long rifle) rather than the 1500 grit I used. Also: Do not allow the solution to run, drip or sag. Then you pull it out and scrape off the oil along the blade edge. I used Brownells Plum Brown, a product that requires that the barrel be heated to 275 degrees to activate the reaction. Because so many people are trying to do this sort of thing on the cheap, thats when I start thundering in my warnings about safety. Fill a heat-safe container with water or oil deep enough to submerge your steel. Im talking like 90+ minutes to heat the salt bath to 285F. The ideal setup is a pair of long sleeve gloves along with splash goggles and a face mask. The downsides are: the safety issue, which I laid out above, and which youve made clear. Every true outdoorsmans dream! Fume bluing is another process similar to rust bluing. Hot blueing salts attack soft solders on guns, so it isnt to be done on old shotguns and some older rifles. Not only does it give you an alchemical feeling of satisfactionbut it also gives the metal a finish to stop corrosion. The rod was heated and the plate 2" square was inserted and the rod shrunk onto it. Metal Finishing Guru. ", informative and did not use technical language and concepts that would have left me floundering and none the wiser. However, if the bluing effect isnt satisfactory, then you can try giving the components an acid bath (using Hydrochloric Acid). Thanks for always being so willing to share, Sir. Battery acid is childs play compared to blueing salts. }, ")You're ABSOLUTELY right. Process that partially protects steel against rust, This article is about the historical uses of black oxide. I thought there was something that could help improve the colors but wasnt sure until I came across this. JUST DONT. ", https://mgs.edu/making-chisels-skips-newsletter/, http://www.technologystudent.com/equip1/heat1.htm. It is usually inadvisable to use cold bluing as a touch-up where friction is present. My apologies for the background noise in the first half of the video We had compressors running where I You want to be in the range of 600 to 650F. } 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. Use ice cubes. Im not responsible for marital discord as a result of gun projects attempted on the kitchen stove. The cross section and size of parts affect the outcome of the finish and time it takes to achieve. Use a backing block of wood or even a Pink Pearl rubber eraser. Then remove it from the degreaser, don't be tempted to wipe it off with anything. Here is a video by Clevinger Customs illustrating it: I use the Brownells nitre blueing salts, which are a combination of sodium nitrite, sodium nitrate, and potassium nitrate. Bluing is a passivation process in which steel is partially protected against rust using a black oxide coating. 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. When everything is set up, put on your protective gear and then get down to business. I like 1.5 wide shop cloth myself). 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. Another good test for determining when the steel is ready is seeing if a magnet sticks to its surface. For more information on using a blowtorch and protecting the steel, scroll down! The wire is extremely small in diameter, so you have to take that into consideration. This is as deadly as the lye-based hot salts, but more for the temperature of a large batch of salts. Still, you will find that cold blues dont last. Brownells has steel tanks, and there are some steel/stainless long/thin tanks available from other sources. This will keep the bluing from adhering to the sharpened edge. Share it with us! You'll probably be fine following these instructions - you'll probably be OK driving home a little drunk, too. Spray down the whole barreled action with copious amounts of WD-40, inside and out. Hang the trigger group again, re-stock and you should be done. wikiHow marks an article as reader-approved once it receives enough positive feedback. List Price: $18.64 $18.64. You can also heat the oil to create different effects. You turn up your nose at crap guns? The steel was mild steel and had very little carbon content. Add 5 lbs of regular table salt to the water. If you cant, just get them out of the case and allow air to circulate around them. With HSS you're looking for 2500-3000rpm, M35 or M42 cobalt bits 3000-3600rpm, and carbide 10k-12krpm.