Mike Fennessy said: ↑ I told a friend I'd etch a blade for him and forgot that it's stainless steel. That way, the creator can explain what she/he meant. The etching process also produces a tiny amount of hydrogen (a harmless but flammable gas), and you should provide ventilation to prevent any accumulation. Stainless Steel Water Bottle Canteen – 24oz. Step 1: The Gathering. I then used salt water and a DC power supply (kind of like a battery charger but fully adjustable) to etch through the steel. The edges were clean and crisp and it only took about ten minutes to cut through the steel. Is there something around the house or local stores that will, like vinegar or something? Yep it can be done. Copper sulfate is better suited to etching mild steels than stainless steel. Parts are able to be fully processed in a shorter turnaround time than other procedures, and often do not require secondary finishing. I have also seen deep etchings made with a mask and sand blasting. Salt Water electro-etching byproducts? Enter salt water etching. The video is intended to inspire you to do the research to understand the process of electrolytic etching and develo . Basically you just apply a resist to the metal you want to etch, and this will become the anode +. 08/18/17. I have done lots of glass and slate etching using glass etching cream, but through my research I found that it will not work for etching stainless steel. Here's the one I … Here are two more made for @lyshyxoxo and her daughter. Laser fused, wide flange, 304L stainless steel beams have been used as a corrosion resistant building material in If you have any questions or need clarification, please ask. Electrochemical etching is often incorrectly referred to as "acid etching" - however unlike "acid etching" - electrochemical electrolytes are not caustic and will not cause harm through incidental skin contact. The acid will slowly eat away layers of the metal, and it will flake off leaving exposed areas that create a design. Mods please feel free to move it if it should in fact have been posted elsewhere! When etching steel, use the same recipe for the Saline Sulfate Etch as given above. The accelerant is a tetrahydroglyoxaline compound. 304/L grade of stainless steel is one of the more popular grades for making components that will hold up well when exposed to salt water but not submerged in it. Keep any connection to a wall outlet or extension cord away from your container of salt water. 1-Placed scotch tape on blade. Although the belt buckle was wrapped in duct tape, the vinegar-salt solution leaked through, which resulted in slight etching on the inside on the buckle. It’s pretty simple and the results are amazing! The red wire is wrapped around the qtip cotton. Ferric chloride – Works best on copper, brass, and nickel silver, and stainless steel. 2- Cut in pattern. I use a combination of chloride, sulphate and phosphate salts. It doesn't matter why, let just say its a terrible process and logs don't appreciate the work. Instead of a sacrificial piece of metal, you could use a stainless steel pot and put the negative (-) alligator clip right on the rim of the pot. This technique works on copper, but also other metals such as stainless steel and brass. The stainless steel etching solution composition comprises, by weight percentage, 0.5%-3% of corrosion inhibitor, 35%-50% of etching agent, 3%-10% of dispersing agent, 15%-30% of chelating agent, 2%-5% of accelerant and the balance water. In about 10 minutes or so the pattern was etched into the blade. I wasnt sure where to put this...but since its really one of the last steps you will take when making a blade, I decided this would be a good place. Stainless Steel Cups Craft Tutorials Craft Ideas Diy Projects Cricut Creations Metal Crafts Vinegar Salt Wire Art Glass Etching. 2: CuCl2 Hydrochloric acid Ethanol: 5 grams 100 ml 100 ml: Immersion or swabbing etch at 20 degrees Celsius: For etching duplex and 400 series stainless steels and Ni-Cu alloys and superalloys. Drying with hot air from a blow dryer further minimizes oxidation. My son who tattoos, had an extra power supply he gave me. Copper sulfate is used to etch mild steels rather than stainless steel. Mix with water at a 1:1 ratio. I tallied up the total cost to set up and it came to under £10. For Etching 304 stainless steel etching use ferric chloride solid 1 kg with one liter of water and the solution to be kept idle for min. Copper sulphate is a blue solution and will gradually fade to a transparent colorless liquid as the etching process takes place. Add Tip Ask Question Comment Download. You don't need much power, only a few volts and ~500ma for a fast etch. Any time you have a question about a specific project, it's best to use the "Ask a Question" feature that is below each project. It is an austenitic alloy that includes chromium and nickel and is lower in carbon than the standard 304 grade of stainless. Hi guys, Im going to make a tutorial on etching metal using saltwater & electricity. That said, I set out to find a method that would work on stainless steel. 118. 4- Hooked battery to blade and other into the salt water. Materials: Metal Water Bottle, either stainless steel or aluminum I just use salt water for carbon blades and read that that won't work on stainless steel. To analyze the structure and grain size of 316 stainless steel, we have used Aqua Regia, that means: 30 ml of distillated water, 20 ml HCl and 15 ml HNO3. Stainless steel etching using chemical milling or acid etching is a popular alternative to other forms of metal fabrication such as stamping, laser marking or water-jet cutting, as it uses minimal mechanical processes and it cost-effective. The Magic of Electro-Chemical Etching. Nov 11, 2008 #2. galadduin. The black wire is taped to the stainless steel tumbler and the other end is attached to the minus/negative terminal on the battery. . May 2, 2017 - Personalize your water bottle with salt water etching - an easy DIY technique that allows you to etch metal with basic household supplies. The salt and vinegar are mixed together. Salt water etching of stainless steel Superior Etchworx. Experiment: Once you have gathered the supplies, the experiment should take 30-45 minutes, depending on the intricacy of the design. People like salt-water etching as it's cheap and effective, does not require chemicals and allows for easy disposal. Method 1: Etch Logo Using Vinegar, Salt and, 9V Batteries If you want to have your text or customized logo on stainless steel knife or cup or metal of smaller size, this method will … "Mix up tablespoon of salt and about a 1/2 cup vinegar." Mix it with a 1:1 ratio of common table salt to prevent a fine layer of copper sulfate from coating the metal and preventing proper etching. its rea… Once a plate has been etched to the required depth and rinsed it is crucial to blot off any remaining dampness with paper towels and then speed dry plates otherwise the steel surface will quickly rust. Custom belt buckle using a salt water etch. 3- placed knife in salt water. How-To: Stainless Steel Etching (2 Updates) A Cogi (PCUT) CT-630 A few days ago one of our members gifted us a cutting plotter. Stainless steel can be etched using ferric chloride mixed with water, which creates a hydrochloric acid. Over and over again I came across a method using salt, water and a 9 volt battery. 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