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\n<\/p><\/div>"}. on Introduction. 6 years ago. 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. If you need to use a blow torch, focus the flame tip on the area you want hardened. How to Blue Bluing Steel Using Oven Or Torch and Oil Method Some people might not have a tank long enough to contain a barreled action to boil out. The difference is immersion in boiling water for bluing. They melt at, oh, somewhere about 280F. 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. ], Alternatively, you can press the pad of steel wool between your hands over the container of acetone, and then put it on some paper towels to dry. "Bluing" is the process of oxidizing steel to create a durable, corrosion-resistant layer. Heating white, degreased steel to 550 to 600F results in brilliant colors. 2023 All Rights Reserved by Shooting Mystery. That can be a pen torch (pictured), a blow torch, a heat gun, a gas hob (which I am going use) or anything that will provide you with enough heat. If youre using acetone to de-oil, dont be afraid to do it more than once. The practice of bluing steel takes time and an exquisite eye for detail. 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. There are many simple ways to achieve good bluing. "keywords": ["how to blue stainless steel"], -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 steel was mild steel and had very little carbon content. Dang it all. The steel will pull some of the carbon out of the oil while quenching and harden the outer portion of the metal. "I have very limited knowledge as to how metal can be manipulated for different applications. The inside barrel was saved by the fact it was so full of lead fouling. We use cookies to make wikiHow great. Oil-free steel wool is also sold by woodworking shops. This is a great source that you can learn lots of information from and I'll advise it to to a handfuls of others. 'Browning' is controlled red rust Fe2O3, and is also known as 'pluming' or 'plum brown'. Thanks, 8 years ago Oil binds with the metal and prevent it from getting air/chemicals to corrode. Salts. Trust me, I'm speaking from experience :) ). The part you want to place in the receiving part is cold often just placed in a freezer for a few hours. I dont have that much blueing to do in my shop, so I dont use hot salts. Color case hardening is the predecessor of all metal coloring typically employed in the firearms industry. Share it with us! Commercial products are widely sold in small bottles for cold bluing firearms, and these products are primarily used by individual gun owners for implementing small touch-ups to a gun's finish, to prevent a small scratch from becoming a major source of rust on a gun over time. What is your opinion of the 2 to 1 lye and potassium nitrate bluing solution? It is one smoooooth profile, from one end to the other. the cost of all the tanks you need for rinse & boil-out 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. Reply I just had my first experience rust browning a barrel. 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 . Hopefully these concepts suggest caution and diligence for what you are doing. At least one of the cold bluing solutions contains selenium dioxide. Itll take perhaps 20 minutes to really dry 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? Participated in the Explore Science Contest. Cold blues will react with steel at room temperature, but you get more aggressive reactions when you heat the gun to, oh, 150 to 200F. Use Hot Bluing And Cold Bluing To Give Your Steel That Youll want to clamp on the barrel directly under the sight youre about to drift out. Acetone is also useful for de-greasing the barreled action. It takes practice. Ive cut and pasted this to my notes on the cloud. This is not advisable. Work on a metal or steel surface, such as an anvil, to avoid any fire hazards. I guess Ill have to just be happy drying toilet paper. Fill a heat-safe container with water or oil deep enough to submerge your steel. Then you sight down the barrel and you see dips and waves in the barrel profile. Heating it again to a lower temperature will not introduce additional martensite. Heat the gun parts. 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). Ill be saving this for the future. Please be careful with the cold bluing solutions. Pull it out of the tank and place on a drain rack. Even a fingerprint will affect the consistency of the colour. Dont want to get any of the liquid on you its 700F. Hang the trigger group again, re-stock and you should be done. Should something happen, seek medical help right away. Not every manufacturer puts bittering agents in the solution and as one poison control nurse told me: (t)here is nothing you can do and it aint the good death.. 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. You'll probably be fine following these instructions - you'll probably be OK driving home a little drunk, too. Now you slide the cold rod in, and the plate cools, gripping the rod. These work by depositing a coating of copper selenide on the surface. ")You're ABSOLUTELY right. You have to apply the bluing fluid. I wish I had known more about the process, heating (I was working outside on a 60 degree day) I may have to check with my friend to see if it needs reblued again, Im sure he never shot it. Wipe them down with WD-40 on a regular basis. This article was co-authored by wikiHow staff writer, Hunter Rising. "Cold" bluing is generally a selenium dioxide based compound that colours steel black, or more often a very dark grey. - Ballachy", "Bluing of Steel by Heat Treatment: Why and How it Happens? ", steel". I use it, oh so cautiously in making my biodiesel. It was left in a flannel gun case in the back of a moist closet for 25+ years. This method must not be used on critically heat-treated parts such as receivers, slides or springs. "@type": "ImageObject", Just dont. Answer 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. ", not only fun, but also profitable. on Step 1. Once you see it turn golden, the process has started and colours will change fairly quickly! For the final step, we let the components cool down in water displacing oil. "url": "https://shootingmystery.com/wp-content/uploads/2021/01/How-to-Blue-Stainless-Steel-in-5-Easy-Steps.jpg" Not blessed with a climate controlled safe. While still hot and while wearing rubber gloves rub the bluing compound Into the steel with the steel wool. http://www.lowes.com/pd_188198-316-HG-66420_0__?productId=4764059 This process was repeated until the desired depth of color was achieved or the metal simply did not color further. 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 Free shipping. The potassium nitrate will liquefy at around this temperature and blue your items at a relatively quick speed. Just use distilled water. I wasnt planning on doing it for a few months. 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. Just take them from the comments he posts. 2. 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. 4.3 out of 5 stars 242 ratings-30% $12.99 $ 12. You will get it. This is a great time to point out that leaving guns in gun cases, especially the woolen/fleece cases, in the back of a closet, is one of the most sure-fire ways to rust the value completely out of a gun. You can then u. se a soft brush to gently remove all the residue of the cleaning solution on the components. -A heat source. All blued parts still require oiling to prevent rust. When you buy through links on our site, we may earn an affiliate commission. Picture Information. Hot bluing is the current standard[6] in gun bluing, as both it and rust bluing provide the most permanent degree of rust-resistance and cosmetic protection of exposed gun metal, and hot bluing takes less time than rust bluing. We have all kinds of rifles and shotguns with recievers made from non-Fe alloys again we do not give it a second though or break out the hardness tester. Vegetable oil has a higher boiling point, so the hot steel will take longer to cool and reduce the chance of it cracking. WHERE or when would the torch get used? Are you sure you want to heat the steel to 700F in that early step? This article received 28 testimonials and 92% of readers who voted found it helpful, earning it our reader-approved status. You wouldnt need salts. : Make sure it is made from Mild Steel or Titanium. How to Harden Steel: 10 Steps (with Pictures) - wikiHow 4 years ago Above you can see some example pictures of the colour shades that can be achieved with this techniques. Now securely hold your piece with whatever you have chosen. Both ingredients are super cheap. Thoroughly degrease the area to be reblued with acetone. Then, you can put the components back into the bluing tank and increase the temperature until you see the blued steel. I wore latex gloves, as Brownells recommended, but used a pot holder to handle the hot barrel, and that may have been the source. Next you hold it in front of your heat source until a blue oxide layer covers the whole blade edge. Step 3: Suspend the components in the bluing solution tank, However, if the bluing effect isnt satisfactory, then you can try giving the components an acid bath (using, Step 4: Rinse the components in a cold water tank then transfer them to a hot one, Step 5: Submerge the components in a tank filled with water displacing oil, Address: 4455 Camp Bowie Blvd, Ste 114 #852, Fort Worth, TX 76107. I think DGs method is a lot safer than mine. 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..

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