"https://www.facebook.com/Shooting-Mystery-110244180901951", The last method on how you can darken steel is by using vinegar. I would like to darken the outside of this, but haven't figured out a way to do this without bead blasting the metal. Because heating these chemicals was bad for the environment, new chemicals have been developed to turn stainless steel black or brown. To ensure the best safety, you should do this method in a place where there aren’t any flammable objects. }. The texture of a wet sponge will help smoothen out the surface of your gun that a brush might not be able to do. 1995. Robar is able to blacken stainless steel through the use of oxidizing type blacking compounds. Once you reach the black finish you desire, you can now place your gun inside a pile of ground coffee and leave it to cool down for a couple of minutes. Shooting Mystery is reader-supported. We prefer using spray paint because this is the easiest method. The act of turning stainless steel black is called "bluing." It doesnât affect the size of the treated parts. Learn about EPi's trial kit. "datePublished": "2021-01-04", Christopher’s expertise in handling firearms and hunting gear are what propelled him to create the Shooting Mystery blog. But if you’re looking for ways to make your gun look more professional or want to get rid of annoying shines and shimmers, then the three methods below are the solutions you’re looking for. "https://www.reddit.com/user/theshootingmystery" Most people like to blue their stainless steel guns. Steel is used extensively in a variety of products from gun metal to hobby crafts. Rinse off the bluing solution in cold water. I find them more convenient than gun blue and cotton buds, although that is better for mild steel tyres. Blackening, or adding a black oxide finish to the steel, helps prevent steel from rusting by creating a chemical reaction on the metal surface. Blackening SS in the hot bluing process does require the right blend of chemicals, and preparation of the SS to be blued. This can take hours, but it can also depend on what paint you use and how great its quality is. Discussion in 'Gunsmithing and Repairs' started by essayons21, Oct 21, 2010. "height": "490", You can do just about any color. The acid in vinegar reacts a certain way to the metal which leads to the darkening effect. If you don’t have any coffee grounds, the next best thing you can do is to just leave your gun to cool down to normal temperatures. how to blacken stainless steel with heat. Just like the fire method, you’ll need to repeat these steps if you want to achieve a darker and black stainless steel finish. ], When you buy through links on our site, we may earn an affiliate commission. YMMVG. Then pour the distilled water into the plastic bucket maintaining a ratio of 9:1. Metal Finishings Ltd no longer offer steel blackening (also known as cold chemi-blacking or cold blackodising). The more you repaint, the thicker the paint layer will be. Also, this way is to ensure that there will not accident will come to you. How to Polish Stainless Steel Gun. A different way to take the shine of stainless steel. This process produces black coatings on stainless steel and alloy steels by a "conversion" process. }, You just have to continually pass your gun through the fire until it turns to the desirable black finish you’re looking for. "description": "If you want to switch things up with your gun's appearance, here are 3 easy ways on how to darken stainless steel and get that luxurious black finish. You might also be interested in: Hydro Dipping Guns, { Bluing, commonly used to change the colour of gun barrels, is used when the chrome-like colour of stainless steel is not desirable. "author": "Christopher Wade", "name": "Shooting Mystery", For Stainless Steel: Stainless Steel Blackener 370 is an acidic liquid concentrate used full strength or diluted with up to 3 parts water to blacken stainless steel at room temperature. "dateModified": "2021-01-04", The one that sounds simplest to me, although I can't comment on its efficacy, reads: - Sulfuric acid, 180 parts - Water, 200 parts - Potassium dichromate, 50 parts (Potassium Dichromate [affil. Gellfex, why not try some black paint; Rustoleum, Krylon or something like that? "url": "https://mk0shootingmyst008bi.kinstacdn.com/wp-content/uploads/2017/01/Shootinglogo.png" If you brush on a thin coat it will blacken a ferrous metal almost instantly, including zinc-plated hardware. He hopes for all readers to gain useful and practical knowledge for enjoying their time outdoors. The gel keeps the blackener in place. Don't know the chemistry of that, but it might be an option. Just google it. "url": "https://mk0shootingmyst008bi.kinstacdn.com/wp-content/uploads/2017/03/ffdf.jpg" However, the best results come from low carbon steels â cast and ductile iron and powdered metal. It’s possible that the paint can peel off, and it’s also possible that it won’t leave a smooth finish on your gun. Cold black oxide works on all ferrous materials except stainless steel. Despite its risk for potential harm, this method will not disappoint. Inspect your firearm and see if you missed any spots. I would like to darken the outside of this, but haven't figured out a way to do this without bead blasting the metal. Does anyone know how I can blacken stainless steel? Aside from using a brush, it would also be a good idea to use a wet sponge. I use them for blackening nickel silver wheel tyres, couplings, all manner of odd small parts where existing blackening has come off. Produces a pleasing dark gray/black ⦠check out the. Anyone got a good DIY for this? Thread Status: Not open for further replies. Immerse the gun parts in boiling water. Insta-Blak SS-370 Liquid concentrate solution used for swab-on or immersion blackening of stainless steel surfaces. I've used the cold black oxide kits commercially available with a slightly better results than the Kmart gun blue. It is heated to temperatures similar to the nitrate-hydroxide mixture. After spending most of his career as a firearms expert and instructor in Nebraska, he retreated to the great outdoors to enjoy retirement. Therefore, you should tread carefully and make sure to follow safety precautions to prevent fire accidents from happening. Just remember to make sure your sponge will be wet. Worked in a pinch when a customer did not want to pay the 100.00 min. Using a dry sponge could damage the finish of your gun and leave imprints on its surface. As much as possible, you should avoid cooling your gun by using water. Bluing, commonly used to change the color of gun barrels, is used when the chrome-like color of stainless steel is not desirable. The solution is ideal for architectural surfaces, such as furniture and panels. Normally it is oiled. This method won’t leave your gun as black as it would be if you use paint, so you might have to repeat the process several more times until it becomes black. Might be worth a try if you have a little ferric chloride around. Room-temperature black oxide processes are best for quick, safe, and convenient in-house and even at-home blackening. The color black is associated with power, importance, and professionalism. "image": { essayons21 Member. Stainless steel gun parts are immersed in a different chemical solution, this one made of a mixture of nitrates and chromates. If you’re going to use a brush and paint, then don’t forget to prepare water to rinse the brush. The Metal Finishing Guidebook lists 3 formulations of blackening baths for stainless steel. Recommended for color coding parts and blackening engravings on stainless steels. ", My favorite way to blacken steel, iron or even zinc-plated hardware is to brush on a thin coat of liquid âgun blueâ â typically a combination of selenious acid, nitric acid
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