4 years ago Actually ended up working really well using a plain propane torch (didn't even get the steel red hot). Check for cleanliness by wetting the cleaned steel with water. Antiquing, oxidizing, and patining are processes that chemically "age" or "weather" metal, resulting in a variety of colors, finishes, and effects. 2 years ago You can achieve this finish with some pretty common household items. on So sorry, and trying to be polite, but this is actually a pretty terrible method for oil-blackening/coating steel. EPi’s line of high-temperature blackeners offers impressive abrasion and corrosion resistance, and several products meet military and AMS specifications. Using acetone and a clean rag, wipe off excess oil, rust, etc off of your metal parts. Gel-based solution that blackens in 1–5 minutes. 6 years ago Blackening solution that replaces high-temperature processes without producing hazardous fumes or sacrificing aesthetic appeal or abrasion resistance. The steel must be free of any dirt, oil or other contamination before proceeding.
7 years ago Premium-grade powdered oxidizing agent that produces a deep anthracite-black finish on steel and steel alloys.Liquid version of Ultra-Blak 400.
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Thank you. 285° F 6 years ago For one thing, the source "ehow" article (which links to another site) is to say the least questionable ("Jane Smith" - seriously?!?!) I have been looking for a simple blackening process for nickel and will try this when I have a torch handy. Reply A properly cleaned part will have excellent adhesion and be brighter, blacker, and smut-free.
EPi's series of stabilized peroxide bright-dip processes prevent re-tarnishing of brass, leaded brass, and copper after brightening. But I feel like it should be mentioned that you MUST wipe off any oil and reheat the metal after you have repeatedly quenched it, or it will become brittle. Acid salts are also used to activate metal surfaces for further finishing. Otherwise, proceed to …
Immersion blackening solution that results in a smooth, no-smut black finish. Every year, rust costs metal-finishers millions of dollars. EPi's waste-treatment processes can help reduce overall waste disposal costs and be gentler on the environment.
All metals need to be cleaned prior to electroplating, blackening, or finishing. Clean the piece of steel you wish to blacken using some solvent-based degreasing solution.
220–255° F
You might also use steel wool or a scotch brite if you need a little more abrasion. on In your intro, you mention doing this work outside in a safe area, and that "asphalt or concrete are ideal--a tarp probably won't cut it" 7 years ago Black oxide finishes offer dimensional stability, eye-appealing appearances, retention of surface properties, and corrosion resistance when sealed with an oil, wax, or lacquer. 7 years ago
Iron, manganese, and zinc phosphate finishes provide extensive corrosion protection and prepare surfaces for a strong paint bond. Metal-stripping processes help remove copper, nickel, zinc, or tin from steel surfaces. on This has been a method of protecting Ferrous metals for years.
I have annotated them for clarification. aluminum, and copper in Ultra-Blak 400 baths or other black-oxide solutions. Room-temperature black oxide processes are best for quick, safe, and convenient in-house and even at-home blackening.
EPi offers high-quality chromates and passivates for a variety of metals. on I know this is an old post, and I hesitated to comment. You will need: acetone; clean rags; motor oil; pliers; handheld torch; heavy leather gloves, jacket (welding attire works great), and safety glasses; fire extinguisher (just in case) 4 years ago I think used oil should work but perhaps not as well since it may have less carbon to burn onto the metal. 7 years ago on I used old but unused motor oil. If it beads off the steel, it requires more cleaning. Metalworking fluids and carbonaceous smut need to be removed in a soak, spray, electroclean, or ultrasonic cleaning. Produces no dimensional or structural changes. Cyanide-free processes that eliminate the need to report to the Department of Homeland Security, saving time and money. If you don't have any or choose not to wear gloves, be sure to thoroughly wash hands after this process. 7 years ago Electroplating is the process of using an electrical direct current to coat an electrically conductive object with a thin layer of metal. Water-displacing oils, water-soluble oils, waxes, lacquers, and temporary rust inhibitors can enhance the quality of a metal finish or protect bare steel parts. EPi offers a variety of high-quality electroplating processes that are ideal for all types of metal finishers.
Let me know if it works! Combine with sodium hydroxide to create Ultra-Blak 400-L black-oxide solution.Control buildup of sludge, red iron oxide, zinc. I would filter the used oil first to get rid of any larger particles. Hopefully you can get an idea of the setup from the photos in this step.
7 years ago (I know, I'm a professional knifemaker and also make a lot of my own tooling - and put extremely hot (1,600°F) steel objects in oil regularly - and can still count to 10 on my hands, and see with both eyes.) More importantly, dousing a part in oil and then hitting it with a flame is I just wanted to mention that this may seem like a hardening process that would lead to the piece becoming brittle but it wont. Ideal for simple swab-on applications or touchups.
NEVER use water or a water based for extinguisher. Recommended for installations in which the user desires a safer method for adding black-oxide chemicals.Liquid oxidizing agent designed to save users money.
(pun definitely intended) Good work. 7 years ago