Nitre bluing recipe. It is an ionic salt of potassium ions K + and nitrate ions NO 3 −, and is therefore an alkali metal nitrate. Turn parts and small pieces a deep, rich, lustrous blue with a finish that’s tougher and prettier than most of the cold blues. I've also tried commercial bluing preparations in little bottles and have failed to be impressed. 33 oz) of manganese dioxide per pound of total nitrate). Also known as fire blue, nitre bluing was historically seen on the small parts of hand guns and long guns. E. It is an ionic salt of potassium ions K + and nitrate ions NO 3−, and is therefore an alkali metal nitrate. Using the volume measure, pour 29ml of hydrochloric acid and 35ml of nitric acid into the jar. Colt used the same mixture of ground charcoal and charred animal bone in the bluing furnace except the small parts were put in cast iron pots for the bluing process. Plan ahead and allow 20-30 minutes to boil. Add the Niter. The brilliant blue finish can be used on any type of metal using the convenienct aerosol can. DuraBlue® Nitre - Liquid Application. 5 pounds 100% sodium Hydroxide (100% Lye) Mar 21, 2024 · #1 · Mar 21, 2024. #13. Use the solution in a single pass to cover small surfaces, or in parts no larger than 4 to 5 inches when covering large areas, then smooth it out using sandpaper. We even can do slow rust bluing just like the gun makers did 100 years ago is almost a lost art and provides the best rust and corrosion resistance for you firearm. Think of the books as a guide to recipes for potential different colors. Apr 7, 2016 · As for tempering gun steel: Hot salts aren't hot enough to temper gun metal. This is the most dangerous part of the Niter. #6 · Feb 7, 2017. Heat bluing salts to 295*-305*f, stir the mixture with a steel ladel to insure heat is continuous throughout solution. SDI. Melt the butter in a saucepan over medium heat. It was used as a tempering process to draw back parts that had been case hardened, and it was used as a final finish on parts that would not see pressure. At Lohman Gunsmith we do a hand polish of 320 / satin, 400 / semi gloss or matchless / high gloss. They’ll be nice and rusty at this point. Staff member. Aside from the salts (082-090-019WB), a casting thermometer or heat treating thermometer (084-069-225WB ) can be used to monitor the salt's temp. (An hour, due to the many cycles. Simmer on low heat for 30-40 minutes, allowing the flavors to meld. #5. The parts are suspending in a salt solution that contains Potassium Nitrate, Sodium Nitrate and other chemicals (Brownell's recipe also contains Sodium Nitrite, other recipes Jul 2, 2017 · In case the nitre bluing salts you were inquiring about were for regular hot salts or hot tank bluing, here is a recipe for homemade bluing salts. Custom Satin Finish – We polish the metal to a 400-grit finish, bead blast with aluminum oxide media and then wire-wheel after blasting and prior to bluing. Do all the prep you would for express or rust blueing, especially degreasing. In this GunTec presentation Larry Potterfield, Founder and C Dec 5, 2023 · Instructions. Should I be concerned. edu Feb 22, 2016 · Express blueing, slow rust blueing, hot salt blueing, nitre blueing, carbona blueing – all are better than cold blueing. Bluing is a process used to add a blue tint to stainless steel, providing both aesthetic and functional benefits. 5 grams Potassium Nitrate 7. 3. OXYNATE™ NO. This step is crucial to achieve the desired color and finish. Get The Sought-After Look of Nitre Bluing. Surface finish is everything in heat bluing. Keep water well away from it. Nov 29, 2012 · I use Laurel Mt. ) It works, if you have the time. You might need more than one gallon, and you'll have to add water to it (very slowly and carefully, it will boil vigorously!) now and then, particularly when you cool it down and store it. Hot Caustic Salt Blue. Barrel Brown from Brownells for rust bluing. The Process. It’s not “hot blue” as in guns that refers to “hot caustic” or “hot salts” bluing using an alkali salt solution heated in a tank to about 300*f . The solution should be boiling at about 300 degrees F. Antique firearm and Winchester restorations. 5 grams Mercury Chloride 15 grams Potassium Chlorate 15 grams Sweet Spirit of Nitre 15 grams Distilled Water 10 ounces May 28, 2016 · KnifeDogs. Blend together the bishop seeds, cardamom seeds and black cumin until powder form using coffee grinder or food processor. Sep 6, 2009 · Nitre bluing salts can be purchased from Brownells. One recommended chemical method is to brush or sponge over the previously polished surface of the steel with a solution consisting of 2 parts DuraBlue Nitre Aerosol Kit DuraBlue Nitre Aerosol Kit Spray On Nitre Bluing Get The Sought-After Look of Nitre Bluing Also known as Fire Blue, Nitre Bluing was historically seen on small parts of handguns and long guns. Doug! May 13, 2012 · I have been sucessfully hot bluing guns for quite some time, however I have no experience with Nitre bluing where the parts are immersed directly into the melted salts. Mix and boil in a steel or enameled container. One 6oz Trustrip Cleaner/Degreaser. I also use a propane deep fryer kit. Then allow to dry for several hours; place in above solution again for 15 minutes; remove and dry for 10 hours. In rust bluing it is "red oxide - rust" converted to "ferrous-ferric oxide - magnetite" using heat, commonly boiling water. I have managed to get around it a couple of times by lowering the temp to 415F (which is what I temper most of my mosaics at) and allow the blade to soak in the Nitre Blue for an extended period of time (3-4 Dec 4, 2023 · Charcoal bluing takes on whatever the light surroundings are . Watch out for splashes of hot salts as they tend to spew out of the pot/tank when parts are being submerged and captive air escapes. There recommended temp for using Nitre Blue is 570-650F, which would knock the temper out of most carbon/alloy blades. Mar 6, 2022 · All a person really needs, other than the salt, is a large pot (I have seen people use lead melting pots), a hot plate, some metal wire, and a good book on heat treatment and nitre bluing processes. 477 posts · Joined 2010. Just boil in distilled or rain water after rusting for a few hours (Summer humidity), and it turns nicely blue/black. So, face shield, respirator or well ventilated area, heavy leather apron and leather gloves. And, unlike “home-brewed” nitre bluing baths, NitreBlue Bluing Salts are specifically blended for low melting point, stability through-out the entire temperature working range and little possibility of after-rust. Dec 8, 2004 · From "Engineering Workshop Practice" by A W Judge. #7 · May 11, 2020. With adding water or caustic soda, a little goes a long way, use in moderation. I also have to wonder what happens if a fuel were introduced to the melt. Do not wipe or rub them after this process has started. Cold blueing solutions usually just don’t wear well. Nitre Bluing Instructions Feb 18, 2019 · 1,443. With proper care and handling, this process need not ever be repeated, making this a valuable investment to a weapons owner. Feb 1, 2020 · Very nice! Care to share where you get your bluing materials? I have an old recipe for Nitre bluing- but the raw ingredients which USED to be an over the counter med are no longer sold. combatweaponsystems. Dark room or backdrop it looks black. 4 grams (0. There are two principal methods of obtaining a blue finish on steel parts, namely, (1) the chemical, and (2) the heating methods. Water 1 gallon. Ni job. $350-450. 1/4 cup granular fructose (can substitute 1/4 cup plus 2 tbs. Aug 9, 2020 · Boil the parts for 2-3 minutes. Fumes from the oil and charred Antique firearm and Winchester restorations. Other than sodium hydroxide for very alkaline pH, all other salts are pretty harmless. I am not using any Mercury compounds. Gorgeous "Fire Blue" Colors & No-Scale Tempering – A Master Metal Finisher’s Secret Useable In Any Shop. May 10, 2020 · JohnnyP. Add onions, garlic, and ginger. Nitre bluing is more closely related to heat treating or heat bluing. Make sure the one you buy will reach the bottom of your pot. Set up your stand and place the Bluing Tank, next to the Soap Tank. The top is a barrel from a 5 1/2" artillery model, which is all original Colt blue, and is an exceptional example of Colts early style blue finish. Gun bluing and custom bluing services. Jan 28, 2016 · Product Description. There are various methods of bluing stainless steel, including hot caustic, rust, fume, cold, and nitre bluing. Description. Member List; Calendar; Forum; Gunsmithing; If this is your first visit, be sure to check out the FAQ by clicking the link above. The process is simple, and what you are getting is essentially a temper color. As with other 19th Century technology, it is fairly easy to do for the advanced tinkerer. Jul 5, 2017 · So Clarence, can you buff nitre bluing down a bit to match an aged screw or to almost put it in the white? Sure–in fact that’s just what I did to make the re-nitre blued trigger guard on a 52 match the original blue of the brl & rcvr. Hydrochloric acid 4 oz. Howdy all, I have been pouring over Angier’s book and have a few different bluing and browning solutions that I want to try and I’ve been able to source quite a few chemicals. Using the scale, measure out 13. Dec 28, 2009 · Dec 28, 2009. The other is nitre bluing which actually can impart a range of hues to metal from straw to black. This brilliant blue finish can be used on any type of metal using an airbrush, spray gun, or Mar 26, 2012 · If there is no bluing at all then add caustic soda to increase the boiling point of the solution. Through the process of Nitre bluing the change of colors begins at 430 degrees, this alone is a high enough temperature to start affecting the heat treating. Deluxe Finish Hot Blue. We'll show you how to nitre blue your gun for a beautiful and durable finish. Although not very durable the look of pre 1938 firearms are Oct 27, 2023 · Most bluing is not meant to be a super protective coating. A short video showing the process of using nitre bluing salts to color small steel gun parts. The nitre blue salts is a good way to control color. It is worth noting that 1 lb of salts occupies approximately 15 cubic inches, providing users with ample quantities to complete multiple bluing projects. Lower temperatures give a "straw Feb 22, 2014 · Do this and if the salts get hotter than around 330 degrees the high temperature will destroy the salts. You can actually watch the color change and once the correct color is achieved then the parts are then quenched in water. If you need something Nitre Blued shoot me a email. Seems to me that the bulk of the steel that goes into mosaic damascus blades is 1085/95 and 15N20 also known as L6. The resealable plastic pail helps keep the salts fresh and uncontaminated. Mike Hunter. Aug 17, 2011 · Flame bluing is a process that dates back to early British gun-making and is still in use today. In the simplest form, gun bluing is a protective finish used to shield steel parts from corrosion. EDL Discussion starter. The bluing part of the term refers to the deep black and blue colors produced by this type of finish. To achieve 58/60 Rc the tempering temperatures of 1085/95 are in the 570 -600 Deg F Apr 15, 2018 · Authentic Niter Kibbeh Recipe. Gently spread the solution to the part to be blued as evenly as possible, applying a clean applicator. This brilliant blue finish can be used on any type of metal using an airbrush, spray gun or convenient aerosol can. [5] Niter or nitre is the mineral form of potassium nitrate, KNO 3. Fire bluing or Nitre bluing is a traditional finish that gunsmiths and major firearms manufactures, used during the later part of the nineteenth century, and is an visually pleasing side effect of the heat treating process. It occurs in nature as a mineral, niter (or nitre in the UK). pdf), Text File (. Revolvers. In the nitre bluing process, polished and cleaned steel parts are immersed in a bath of molten salts—typically potassium nitrate and sodium nitrate (sometimes with 9. You can improve your results by doing two things: 1. I've done it with propane torch real quick in and out with flame but its very difficult to control color. 1/4 cup sugar. Some forms of denatured alcohol and other degreasers are made using petroleum (crazy, I know). Mar 5, 2024 · The product comes in a 10 lbs plastic bucket, ensuring convenient storage and easy access to the salts. #4. Fire bluing adds the finishing touches Jun 10, 2014 · TINCANBANDIT Discussion starter. #2 · Jan 14, 2012. I will be using components and materials available at any home to accom Feb 5, 2017 · 14055 posts · Joined 2013. Nitric acid 1/2 oz. 20-25 minutes in generally sufficient to obtain nice reach black color. Magnetite is by nature, blue-black in colour and its appearance is defined by its surface finish. The nitre bluing process (sometimes referred to as fire bluing, peacock bluing or niter bluing) is a gun metal finishing process involving a salt bath solution of sodium and potassium nitrates, heated to exact temperatures. very spooky stuff to work with but the fastest way to do production bluing. In today's Triple-T (tools, tips and talk) #82, I'll be demonstrating how to do both hot bluing and hot blackening with hot salts! (links below)NitreBlue: Oct 31, 2013 · Today we are going to teach you how to Nitre blue without Nitre salts. Does nitre bluing alter the Rc of the blade and makeke for a blade that is not sufficiently hard to make a good working tool. 5lbs nitrate to 5lbs lye to 1 gallon of distilled water. Nitre Bluing is not the same as Hot Salts Bluing (although heat and salts are used). DuraBlue Nitre Aerosol Kit Contains: One DuraBlue Nitre Aerosol Can. Additional information. Steps: Place all ingredients in a large pitcher or jug and stir or shake until well mixed. Heated to roughly 590 degrees, you soak the parts for a few minutes and then quench in water. Add cold water to the Bluing Tank and Dulite`s Steel Kote at the rate of 7lbs per gallon of water. The parts were first cleaned in gasoline, and then placed in the glowing charcoal mixture for a few minutes. Bath operates at 285 to 295 degree F. If you don't have a thermometer, heat until a sample part will just sizzle cold water. A hot blue salt bath is about 285F to 292F - the lower temps are for higher altitudes. Instructions are here. The coloring starts at 430 degrees and goes all the way up to a dark blue color around 570 degrees. Chill and keep refrigerated until used. Melt the butter on low heat in a large pot. com Owner. Most folks know it for the peacock blues found on Colt's, Winchesters Nitre Bluing Basic Process! Totally awesome, I'm doing some more research then having a try myself, there t so many applications for this method to make basic steal item more beautiful. - 650° F. Dip the parts in, watch for the color change. It is a soft, white, highly soluble mineral found primarily in arid climates or cave deposits. Inst-362 Nitre Bluing Bluing - Free download as PDF File (. com & USAknifemaker. Historically, the term "niter" was not well differentiated from natron, both of which have been very vaguely defined but generally refer to compounds of sodium or potassium joined with The recipe is 2. Potassium nitrate is a chemical compound with a sharp, salty, bitter taste and the chemical formula K N O. Outside in clear skys it will be blue . [I use a steel deep fry thermometer. Vintage firearm restoration and fine gunsmithing. 171 posts · Joined 2011. Jan 30, 2021 · You're going to be dealing with a pot of heated salt solution in the 400 to 600 degree range, well over 200 celsius. Skim the foam from the surface and discard. The bluing needs to take place while the solution is boiling. Then apply the bluing formula. It's a simple process that anyone can do with the right tools and techniques. Jan 13, 2012 · Precision32. Quality gun restorations. Oct 31, 2007 · Going above 315*f, 310*f on some, will almost always result in "exotic colors" such as the often seen purple (plum), reds, and greens. Gun Metal finish on Brass. Standard Finish Hot Blue. Feb 10, 2010 · Bluing itself is simply suspending prepped part into solution while it's temperature maintained around 260-280F. Pour into the butter. txt) or read online for free. We are able to blue your gun back to the original type of bluing finish it had on it. I have used melted potassium nitrate to blue steel. cominstagram: @357. Proper bluing of stainless steel requires careful preparation, heating, and cooling of the metal, as well as the use of Feb 5, 2015 · The first one is a warm bluing (boiling) method that uses lye (caustic soda) and either sodium, potassium or ammonium nitrate (fertilizer) in a 2:1 ratio. Let’s get started! Toast the whole spices over medium heat in a dry skillet for a few minutes until very fragrant. 5 lbs of sodium nitrate. All of the heat blues are affected this way whether done in open hearth charcoal method or the gas retort furnace with charcoal /oil mixtures. SLOWLY add 5 lbs of pure sodium hydroxide to the water while stirring. gps man, 45ACP_ray, Old Sea Dragon and 7 others. That seems to pit a little, and takes a while. Jul 31, 2017 · Pour one gallon of distilled water into the pot. Second, I heat up my nitre salts in a double boil set up. 99. Then boil the parts for 10 minutes, take them out and let them cool off. Oil with mineral or linseed oil and wipe dry. Jan 5, 2015. Steel will turn a rainbow of colors as it is heated and if you remove the heat at the right time, you can get a nice "electric" or "peacock" blue color, just like Nitre Bluing. The mixture is heated to 310 to 321 °C (590 to 610 °F) and the parts are More about "nitre bluing salts recipe recipes" POTASSIUM NITRATE - WIKIPEDIA Potassium nitrate is a chemical compound with the chemical formula K N O 3. 417. The colors usually range from a straw yellow, to dark purples or robins egg blues. 7 hot salts bluing is the type most commonly used by firearms manufacturers and offered by more fully equipped gunsmith shops than any other. Rinse. Another good non-glare finish with a softer sheen than the standard matte finish. The Colts were originally blued in a coal furnace by immersing the parts in a heated mixture of ground charcoal and bone on a grate above the coal fire. Niter or nitre is the mineral form of potassium nitrate, KNO3, also known as saltpeter in America or saltpetre in other English speaking countries. This comes back to what blue finish is. What chemicals are used in bluing? Bluing may be applied by immersing steel parts in a solution of potassium nitrate, sodium hydroxide, and water heated to the boiling point, 275–310 °F (135–154 °C) depending on the recipe. Quenching: After the immersion, quickly quench the parts in a cold water tank to stop the bluing process. 6445. Then boil the parts for 2-3 minutes again, and so on until after the 3 rd time you apply the bluing formula. I'm concerned about the temperatures involved 600-650 degrees affecting the heat treating of the parts. 7 Our Oxynate No. The Brownell's "Gunsmith Kinks" books have a lot of very useful information on all types and methods of bluing. Charcoal Bluing: Firearm Bluing Types & Processes Nitre bluing Niter and colour case. #1 · Jan 4, 2020 (Edited) I have been doing some Nitre Bluing for several different projects recently and heres a few pics. #3 · Jan 14, 2012. Sauté until onions are translucent. Stir in the spices – cinnamon, cardamom, cloves, turmeric, cumin, and fenugreek seeds. The brilliant blue finish can be used on any type of metal Jun 1, 2014 · Heat Bluing or Flame Bluing is actually heat treating. #3. One splash and you have 3rd degree burns. Custom 1911's, Tactical Shotgun's, AR's. This is a great custom look for your custom rifle. 7, hot salts bluing; Dicropan IM™, a hot wa-ter blue; Nitre Blue™ Bluing, a heat blue; Dicropan T4™, Oxpho-Blue™ and 44/40® cold blues. The Nitre Blueing process involves the use of Potassium Nitrate (2 parts) Sodium Nitrate (1/2 part) and a pinch of Manganese Dioxide. You need to melt the salts and slowly bring them and the barrel up to 600 degrees and hold until you get the color you want. You can't use cloth because the liquid will soak right through them. It is simply magnetite Fe 3 O 4. com. Below are the steps to mix the ingredients to fill a 500ml bottle: Pour 420ml of distilled water into the amber bottle. . Clean your tanks with Dulite #31 cleaner. A pink foam will rise to the surface of the new NitreBlue Bluing Bath as the Salts melt. Blue Dip (Customer prepared metal) $90-150. lemon juice) water, to make 2 quarts. Sep 27, 2023 · Immersion: Carefully immerse the cleaned and prepared gun parts into the hot bluing solution. Keep them submerged for the recommended duration, typically a few minutes. The bluing process has changed a lot over the years both in the preferred methods and the chemicals used. The mixing will begin an exothermic reaction that will raise the temperature to around 240°. Cold blueing is OK for touchups, at best. Nov 12, 2023 · Hot bluing always seemed something very complicated to me, but as it turns out to be chemically very simple process, I decided to try it at home. Boil for about 10 minutes. Your looking for that peacock blue for true fire blued . 역사적으로, "niter"라는 용어는 natron과 잘 구별되지 않았으며 둘 다 매우 모호하게 정의되었지만 일반적으로 탄산염 또는 질산염 Jan 20, 2023 · Nitre bluing temp is in the 650 F range , most gun screws are not hard anyway. www. Get the sought-after look of traditional nitre bluing with this amazing new product. Offering the finest period correct color case hardening, rust bluing, checkering & niter bluing Dec 14, 2013 · Yup black oxide [magnetite (Fe3O4)] like all “blueing” I know of is. 3g of iron filings. Place all the ingredients in a medium saucepan and bring it to an extremely low simmer. Surface preparation. Also known as Fire Blue, Nitre Bluing was historically seen on small parts of handguns and long guns. MY RUST BLUE RECIPE - FIREARM BLUING. You can see that to get a bright blue we need to get the metal right around 590 degrees. Be careful not to scorch the spices or they will become bitter. 6. Doug Ponzio said: These are some tests with 52100, 5160, O-2, O-1, L-6, W-2 SA202-E and Nickel using NitreBlue bluing salts from about 540 degrees to 565 degrees. It occurs in nature as a mineral, niter (or nitre in the UK). Sep 4, 2006 · Comparison of Charcoal Blue (top), and Carbonia Blue (bottom) Here is an example of the two early Colt finishes. http://www. Aug 7, 2019 · Browse stories related to nitre bluing on the Turnbull Restoration blog. May 27, 2004. It was in use before the Carbonia method. I use lead or a small pan of brass chips and a propane torch. $ 66. May 8, 2002 · 3. Maybe the extra gallon of water is for a rinse bath and to adjust the mixture for evaporation loss. Rinsing. Oct 14, 2023 · The mix ratio is 5 lb lye (sodium hydroxide) to 2 1/2 lb ammonium nitrate (fertilizer), to 1 gallon water. Suspend piece (s) completely submerged in tank for 20 minutes. 453. It has been used in the gunmaking trade for centuries and is largely considered a traditional finish. Step #2 Use the Bluing Solution. While the process is straight forward it is very time consuming. For many years it was often difficult to have a gun blued and have it match the exact shade it may have been before and nearly impossible to bring a firearm to a gunsmith and have the blue match what may have been Apr 2, 2023 · DIY Rust Bluing Recipe:4 TBSP Peroxide1TBSP White Vinegar3/4 TSP Non-iodized SaltBoil in Distilled Wateremail: 357mdad@gmail. Card with a super fine wire wheel (like you can put your finger in it when running at 1750 rpm), repeat 4-6 times, done. It also scares the c&^p out of me. One compound is Spirit of Nitre which is a 3-5% ethyl nitrite - 95% ethanol solution. michael@mikehunterrestorations. May 14, 2010 · What I am trying to duplicate is a bluing solution I had made at a local apothecary's shop, aka, druggist, 48 years ago, recipe as follows: Sodium Nitrate 7. Mar 5, 2008 · A mix of one part Chilean Salt Petre (sodium nitrate) with two parts of potassium nitrate gives the best colors. Make sure you are using a 100% non petroleum solution for prep work. Jun 26, 2020 · In this video, I will show you how much it is simple to apply hot gun bluing at home. job. magdadMusic: Brownells Nitreblue~ Bluing Salts. If you were charcoal or nitre blueing, then you might be losing some of the quench in the steel (these blueing methods are done at about 600F), but not with hot salt blueing. This style of finish is not Carbonia. corn syrup) 1/2 teaspoon citric acid (can substitute 2 tbs. Was hoping for something nicer than cold rust bluing with peroxide and salt. Randall. The process is really quite simple: Heat the salts up to 570° F. #1. One drop of water and you are wearing 650* molten liquid. You may have to register before you can post: click the register link above to proceed. depending on the steel and how dense a film you want. Place in boiling water for 1/2 hour; dry and scratch brush very lightly. Jul 20, 2010 · 1 part Sodium Nitrate (Chile Nitre or Chile Saltpeter), 2 parts Caustic Soda (Sodium Hydroxide) and two parts water by volume. Get the sought-after look of traditional nitre bluing! Also known as fire blue, nitre bluing was historically seen on the small parts of handguns and long guns. Jun 22, 2014 · Nitre Bluing. my recipe includes one part Sodium Nitrate, three parts Potassium Nitrate and a dash of manganese dioxide powder. ] Takes 15 to 45 min. nate™ No. Historically, the term niter was not well differentiated from natron, both of which have been very vaguely defined but generally refer to compounds of sodium or potassium joined with carbonate or nitrate ions. Set the rinse tank off to the side away from the heat but close enough to work easily from. (they are NOT dissolved in water, they're used straight). Nitre bluing is limited to small, non critical parts, heat bluing or tempering of springs. Dark Mode; Light Mode; menu Log in Jun 15, 2022 · It can be achieved in several ways. The salts will blue in a temperature window- stay in the 253-280 degree area, using ladled cold water to drop the temp back down, don’t add water to parts in the boil. First off, soak your parts in Acetone, denatured alcohol, etc. when you get the color you want, quench it. Oct 8, 2019. 14070 posts · Joined 2013. 411k views 12 years ago mauser project larry potterfield, founder and ceo of midwayusa, demonstrates the process for nitre bluing small parts using a lee lead pot and. I came up with recipe and did bluing on some test strips and results came out pretty good to me. BLUE FINISH ON STEEL. Gun finishes including: color case hardening, bluing, rust bluing, charcoal bluing, and nitre bluing. Turn parts and small pieces a deep, rich, lustrous blue with a finish that's tougher and prettier than most of the cold blues. Apr 20, 2021 · Apr 20, 2021. Once thoroughly mixed, slowly add 2. $550-700. Matte & Custom Satin Hot Blue. These pots were put in another coal fired furnace and heated until the desired color was reached. Do not mix in an Aluminum pan. Jan 4, 2020 · 114 posts · Joined 2019. It makes a bright royal blue on mild steel. One of these is Nitre bluing. Add more Nitre Blue Bluing Salts, one dipper full at a time, waiting for each dipper full to melt down before adding anoth-er until the desired Bluing Bath depth is reached in your tank. Deluxe Finish – We polish the metal to a 600-1200 Apr 18, 2015 · To do the actual bluing I used a Lee casting pot to heat the nitre salts to 650 degrees and submerged the parts for about 5 minutes. Niter 나 nitre는 질산 칼륨의 미네랄 형태로, KNO3은 다른 영어권 국가의 경우에는 질산염 또는 칼슘 염으로도 알려져 있습니다. Buy product. Nitre bluing will not hurt the barrel. lr zn jc ih sl bd dc ub qo pl