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Blued Pivot Steel Even a fingerprint will affect the consistency of the colour. Cold blueing is OK for touchups, at best. I've never done anything like this but want to try. 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. 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. Both refer to the same chemical process for providing true gun bluing.[1]. This article was very, "I've been working with steel since I was a child, and reviewing these proper methods and skills makes my projects, "It surely educated me on several points. Hunter holds a BFA in Entertainment Design from the University of Wisconsin - Stout and a Minor in English Writing. You can experiment ultimately what oils to use. Help 'blueing' with OA torch 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 The color is oxide, but I believe you can scrape it off. Take them out after a couple of minutes and then wipe them clean to remove excess oil. Just use distilled water. 6 years ago. very easy way to get a blue finish on steel - Fit and Finish Think big scars. It is generally employed on smaller parts such as pins, screws, sights, etc. Always wear goggles and gloves when operating a propane blow torch. For the color change to be uniform you have to remove the grease, oil, paint etc or it looks blotchy. $3.59. In my case I drilled/threaded the metal piece and made a holder with a threaded end. DIY Gun Bluing Dang it all. Ive used this method in a pinch to make a tap from a cheap mild steel bolt to chase out galled female threads. steel There are also methods of cold bluing, which do not require heat. This is as deadly as the lye-based hot salts, but more for the temperature of a large batch of salts. It would be a good idea to get some gloves on. If you cant, just get them out of the case and allow air to circulate around them. The differential cooling causes patterns of colors to appear as well as hardening the part. In colloquial use, thin coatings of black oxide are often termed 'gun bluing', while heavier coatings are termed 'black oxide'. In fact most guides no matter their material cast iron to bronze and often bearing races are installed the same way. 4 years ago They have their place, but doing a whole gun with them isnt that place. Wipe them down with WD-40 on a regular basis. ", steel". Its for mild steel, which must be greased, oiled or otherwise coated with something to stop it from rusting almost immediately. Just take them from the comments he posts. Free shipping. Metal parts that look black or blue-black are usually blued (rather than painted). "@type": "Organization", JUST DONT. Isn't the point of the acetone to degrease, why would i grease? Above you can see some example pictures of the colour shades that can be achieved with this techniques. -something to hold your object with i.e. "https://twitter.com/Shoot1ngMystery", Itll evaporate rather rapidly, but still, dont whip it at cars or house finishes. It will instantly vaporize into steam and splash all over you. Not blessed with a climate controlled safe. How to Blue (Bluing) Steel Using Oven Or Torch and Oil Method OOMAN 2.28K subscribers Subscribe 872 112K views 4 years ago My apologies for the background Its a good process, but it isnt a 1:1 replacement for blueing. Copyright 2023 Flixsterz. Then, you can put the components back into the bluing tank and increase the temperature until you see the blued steel. It is slightly caustic, so be careful you dont leave it on the gun for long. This method was adopted by larger firearm companies for large scale, more economical bluing. 2. I pulled the temp off the top of my head. on Introduction, looks nice but you are using what is known as heat treatment which will darken steel, not using bluing salts as in gun bluing of rifle barrels all in all very nice instructable, Reply Submerge in water and scrape edge. Oil-free steel wool is also sold by woodworking shops. THANKS DG. Its the corrosive gift that just keeps on giving. I agree used oil works better and adding some copper and graphite seems to deepen the color and add more purple or plum to it. 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. That way, you can still use your oven for the rest of the evening. Fe3O4 requires chemicals and/or heat to push the iron to full oxidation. 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. Pour in This signifies that the steel is tempered. This finish allows them to be stored in high-moisture conditions, like sports bags, without rusting. *700F is very close to the heat treatment temperature of some steels. If you look at the temps that Tenifur(SP) and Melonite(sp) and early Pakerizing processes used this is nothing. You can use a heat gun, a blow dryer, or a torch for this. To harden steel, start by heating the metal directly with a blow torch until it turns a cherry red color. Torch 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. Where/how did you think I got to the point I could make nice guns? Heat the gun parts. kitty litter (I would recommend the unused variety). While the rod may heat some by conduction, it wouldn't get hot enough to start the color-forming process. An iron wire, stainless dipper, and part basket are required to handle the guns components and adjust the bluing solution as well. I handed a buddy my wallet and cell phone, and stepped under the safety shower and got wet. The ideal setup is a pair of long sleeve gloves along with splash goggles and a face mask. Once you get the colour you want, go outside to your oil container and fully quench your object into the oil! Wear thick gloves so you dont burn yourself. 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). Mark the sharpened edge with a crayon. You can then use a soft brush to gently remove all the residue of the cleaning solution on the components. you may benefit from the use of a gas lense as well. Heat source You will require at least one burner for bluing salts and two hot water burners. One can generally use the same solution to brown as to blue. I saw you reference a coleman stove and propane tank for heating solution. The blueing salt bath will be at about 286 to 292F, and as it is bubbling away, it is losing water, and the boiling point of the solution keeps climbing. The differing rate of cooling for each area produced a different color creating that rainbow effect. Once the solution reaches its boiling point, turn down the burner to about one-third of the boiling temperature and let it stay there. "I have very limited knowledge as to how metal can be manipulated for different applications. Various processes are used for the oxidizing process. The rust then turns to black-blue Fe3O4. The difference is immersion in boiling water for bluing. WebHeat the blade for 15 to 20 minutes in an oven set on 325 Fahrenheit if the handle is metal. Put all the components into the tank and wait for 5 15 minutes. Then the crucibles would be removed from the furnace and placed over boiling hot water and air would be bubbled through the water and the parts would be dropped into the water. "dateModified": "2022-03-27", 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. That means 50-60 revolutions to make a foot. Hes claiming that method is more durable than Blue alone. }. In the hot salt process, you will need, oh, four to six tanks, only one of which will be the heated blueing salts. 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). Im not responsible for marital discord as a result of gun projects attempted on the kitchen stove. 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. 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! Are you sure you want to heat the steel to 700F in that early step? You can then u. se a soft brush to gently remove all the residue of the cleaning solution on the components. "https://www.pinterest.com/theshootingmystery/", The melting point for KNO3 is 633F. The downsides are: the safety issue, which I laid out above, and which youve made clear. You can blue heat-treated parts with no ill effects. Robert Farago is the former publisher of The Truth About Guns (TTAG). on Introduction. I have done a cold blue on a very rusted .22 for a friend. Degrease and heat the items to be blued in a steel pan to about 700F. The reason why blued guns rust is that something was allowed to attack the surface blueing and get through it to new steel or the blueing job wasnt deep enough to complete passivate the surface from red rust. (And taking, out of *your* hide). Participated in the Explore Science Contest. I am using bronze, is it for a polish? Just dont do it. Cold blues will How to Colour Steel With HEAT : 5 Steps (with Pictures) blue steel "width": "1500", Hot blueing salts attack soft solders on guns, so it isnt to be done on old shotguns and some older rifles. Youll have a hot caustic degreaser tank (about 10 minutes), then a cold rinse tank, then into the hot salts for, oh, 15 to 20 minutes, then out into the hot rinse, then into a cold running rinse tank, then into a water displacing oil tank for 20 minutes or so. Treating with an oiled coating enhances the protection offered by the bluing. I didnt drop outta my mommas womb being able to do this stuff. Higher carbon contents will take longer to heat. Also, the results you indicate are typical of still having some oil on the gun. Degrease a pad of 0000 steel wool with acetone. Note: I know a plastic container is pictured but always use a metal one! The actual temperature of the steel depends on the carbon content inside. This crucible was heated to 730C (1,350F) for up to 6hours (the longer the heat was applied the thicker the case hardening). There can be different layers you have to apply. You risk a big fire that is self sustaining by the reaction itself. Go on and start bluing! Brand: Logix. His enthusiasm for handling firearms and hunting gear inspired him to create the Shooting Mystery blog. Reply It is also used by machinists, to protect and beautify tools made for their own use. You might also want to read our article on how to easily darken stainless steel or blacken stainless steel for more ways to personalize your gear. Drill bits and gun barrels are common examples. NaOH is nasty stuff. We will verify and confirm your receipt within 3 working days from the date you upload it. Any gun. Do this outside, so you can do this next part: Just whip the steel wool at arms length to extract the excess acetone. Wait for 10 15 minutes and then take out the components. 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. So As one newish to refined firearms ownership, what is the best way to store and protect a pistol or rifle from rusting, especially in areas like Oregon or Washington, Silicon socks, or ? on Introduction, Hello my name is Joe and Im doing a project where Im trying to achieve the same outcome. The object on the left is a custom mild steel potentiometer knob! Battery acid is childs play compared to blueing salts. "https://www.reddit.com/user/theshootingmystery" Last Updated: May 13, 2022 I used Express Blue #1 on lots of guns, where I want something less labor intensive than slow rust blueing (which I wont describe here): most steel wool isnt oil-free. Thats one way to get dyspeptic to write articles! To shrink, I assumed you heated the steel plate only, to expand the hole in it. I rarely use them. Below is a link to a video I found on YouTube that shows the process. wikiHow is where trusted research and expert knowledge come together. Try it on some unimportant pieces first. Soft, low-carbon steel was used, but strong materials were needed for the receivers of firearms. The steel will pull some of the carbon out of the oil while quenching and harden the outer portion of the metal. You wouldnt need salts. I have cut and polished 4 pieces of mild steel to demonstrate different colour stages. That surface rust on the barrel could be polished off easily. Vegetable oil has a higher boiling point, so the hot steel will take longer to cool and reduce the chance of it cracking. Steel I think DGs method is a lot safer than mine. Have proper ventilation and use proper modern safety gear! Not only does it give you an alchemical feeling of satisfactionbut it also gives the metal a finish to stop corrosion. 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.