However, the best results come from low carbon steels — cast and ductile iron and powdered metal. As with the Iron and Steel Blacking process, the stainless-steel blacking process operates with a 7- stage dipping process. We prefer using spray paint because this is the easiest method. First question, what grade stainless are you working with? "name": "Shooting Mystery", Using a dry sponge could damage the finish of your gun and leave imprints on its surface. I work with type 316L stainless so these are my experiences, you may get different results with different grades of stainless. Inspect your firearm and see if you missed any spots. Once all areas are painted black, leave it to completely dry. "https://twitter.com/Shoot1ngMystery", 7. "author": "Christopher Wade", Tags: None. The last method on how you can darken steel is by using vinegar. "mainEntityOfPage": "https://shootingmystery.com/darken-stainless-steel/", One gallon can blacken up to 200 sq. check out the. Polishing helps in getting rid of such rust spots and also protects the gun against it. Find a shop that does it on stainless (it is a different chemical than plain steel). My smith swears by stainless barrels for accuracy, and … Room-temperature blackening for stainless steel occurs by auto-catalytic reaction of copper-selenide depositing on the stainless-steel surface. You may wish to consider our black passivated zinc nickel plating instead. 1995. For this method, you’ll have to use fire to make your shiny, flashy metal gun to turn luxuriously black. A. Hi Terry. Does anyone know how I can blacken stainless steel? You can do just about any color. It offers less abrasion resistance and the same corrosion protection as the hot blackening process. Recommended for color coding parts and blackening engravings on stainless steels. Don't know the chemistry of that, but it might be an option. how to blacken stainless steel with heat. "logo": { Swirl the parts through the cold water to help wash away the bluing salts. "https://theshootingmystery.tumblr.com/", "datePublished": "2021-01-04", Medium carbon steel, 4130 and heat treatable alloys may require some additional time in the activation tank or a stronger mix of blackening chemicals to effectively bond with the material. Learn yo'self how to easily turn your steel black!Using only a product called GUN BLUE I experiment with turning steel black! My favorite way to blacken steel, iron or even zinc-plated hardware is to brush on a thin coat of liquid “gun blue” – typically a combination of selenious acid, nitric acid and cupric sulfate. I found by chance it works on stainless steel (at least Exactoscale tyres) and solder. Leave it on the part for 1-3 minutes and rinse off. I've used the cold black oxide kits commercially available with a slightly better results than the Kmart gun blue. Despite its risk for potential harm, this method will not disappoint. "height": "490", This might interfere with how you handle your firearm, which is a situation you probably don’t want to end up in. First things first, you’ll need to prepare the fire. The texture of a wet sponge will help smoothen out the surface of your gun that a brush might not be able to do. "url": "https://mk0shootingmyst008bi.kinstacdn.com/wp-content/uploads/2017/01/Shootinglogo.png" "@type": "Organization", After spending most of his career as a firearms expert and instructor in Nebraska, he retreated to the great outdoors to enjoy retirement. link to info/product on Amazon])- Operating temperature, 210 °F. Robar is able to blacken stainless steel through the use of oxidizing type blacking compounds. Best coating to make stainless steel black. Worked in a pinch when a customer did not want to pay the 100.00 min. Just like the fire method, you’ll need to repeat these steps if you want to achieve a darker and black stainless steel finish. Just remember to make sure your sponge will be wet. Learn about EPi's trial kit. All you need to prepare is a container big enough to fit your firearm, fill it up with vinegar, and leave it there overnight. } Metal Finishings Ltd no longer offer steel blackening (also known as cold chemi-blacking or cold blackodising). It doesn’t affect the size of the treated parts. If you could direct me to any publications or services, I would greatly appreciate it. This will add an undesirable chemical reaction that can affect the finish and appearance of your gun. Insta-Blak SS-370 is a liquid concentrate solution used for swab-on or immersion blackening of stainless steel surfaces. You might also be interested in: Hydro Dipping Guns, { A lot of people ask what the need to polish a gun is. Then pour the distilled water into the plastic bucket maintaining a ratio of 9:1. Easy to apply, a bottle lasts for years, easy touch-up, easy removal with either fingernail polish remover or lacquer thinner. "@type": "ImageObject", Recommended for color coding parts and blackening engravings on stainless steels. "@type": "ImageObject", http://surfinchemical.com/collections/all/products/ni-black-40How to blacken stainless steel. Some years ago I used a stainless steel beaker to hold some ferric chloride for copper etching... bad idea. If you brush on a thin coat it will blacken a ferrous metal almost instantly, including zinc-plated hardware. I seem top recall that the inside of the beaker was a dark color after I transferred it to a glass container. "image": { ", When the desired blackness has been attained on the surface of the steel, rub in the oil-soaked cloth to stop the reaction. This can take hours, but it can also depend on what paint you use and how great its quality is.