Materials: Metal Water Bottle, either stainless steel or aluminum Over and over again I came across a method using salt, water and a 9 volt battery. Experiment: Once you have gathered the supplies, the experiment should take 30-45 minutes, depending on the intricacy of the design. It is a cool example of a redox reaction, and way more fun that a canned chemistry lab. Electric Etching…Minor amounts of fairly crude electric etching can use salt water and a 9-volt battery. Custom belt buckle using a salt water etch. You just need to make sure that the … Copper sulfate is used to etch mild steels rather than stainless steel. The blue solution gradually fades as the etching progresses and turns colorless when it's finished. The accelerant is a tetrahydroglyoxaline compound. This technique works on copper, but also other metals such as stainless steel and brass. More by the author: Make a "cheap" power supply for etching metals with salt water. 115. In about 10 minutes or so the pattern was etched into the blade. Step 1: The Gathering. It’s pretty simple and the results are amazing! It is an austenitic alloy that includes chromium and nickel and is lower in carbon than the standard 304 grade of stainless. People like salt-water etching as it's cheap and effective, does not require chemicals and allows for easy disposal. Keep any connection to a wall outlet or extension cord away from your container of salt water. I use a combination of chloride, sulphate and phosphate salts. 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. The etching process also produces a tiny amount of hydrogen (a harmless but flammable gas), and you should provide ventilation to prevent any accumulation. The red wire is wrapped around the qtip cotton. Here are two more made for @lyshyxoxo and her daughter. Hi guys, Im going to make a tutorial on etching metal using saltwater & electricity. Add Tip Ask Question Comment Download. "Mix up tablespoon of salt and about a 1/2 cup vinegar." The salt is added to stop the copper forming a layer of copper on the etched surface. 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. That said, I set out to find a method that would work on stainless steel. 08/18/17. 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. . 1,363. Report this item. Etched stainless steel? Salt water etching of stainless steel Superior Etchworx. People also love these ideas. Electrolyte is simply used to aid the flow of low-voltage electric charge through the gaps in the stencil. While we were still in the process of figuring out, how it works … Saved by Robin Mesner. Gather up the materials you need. Saved by Judy York. Stainless steel can be etched using ferric chloride mixed with water, which creates a hydrochloric acid. Login to leave a comment. 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. Parts are able to be fully processed in a shorter turnaround time than other procedures, and often do not require secondary finishing. The Copper Sulfate is mixed in a one to one ration with sodium chloride (salt). 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. I then used salt water and a DC power supply (kind of like a battery charger but fully adjustable) to etch through the steel. If you have any questions or need clarification, please ask. So i wanted something easier. Basically you just apply a resist to the metal you want to etch, and this will become the anode +. Jul 14, 2015 - Personalize your water bottle with salt water etching - an easy DIY technique that allows you to etch metal with basic household supplies. its rea… 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. This step is useful if there will be a second stage of resists applied to the metal. 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. It is best mixed in a 1 to 1 ratio with sodium chloride (NaCl - common table salt) to keep the copper sulfate from coating the steel with a deposit of copper that will stop the etching process. You don't need much power, only a few volts and ~500ma for a fast etch. 189 42.1K . Mix with water at a 1:1 ratio. 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. The salt and vinegar are mixed together. Laser fused, wide flange, 304L stainless steel beams have been used as a corrosion resistant building material in 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. 3- placed knife in salt water. 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. Enter salt water etching. Drying with hot air from a blow dryer further minimizes oxidation. Ferric chloride – Works best on copper, brass, and nickel silver, and stainless steel. Introduction: Power Supply for Etching With Salt Water . I tallied up the total cost to set up and it came to under £10. By WazIt Follow. Salt Water electro-etching byproducts? The design is created by using the battery to force a chemical reaction between the metal, water and salt. Did this once on a stainless steel knife blade. It worked amazingly well. Nov 11, 2008 #2. galadduin. The other end is attached to the battery positive terminal. Stainless Steel Cups Craft Tutorials Craft Ideas Diy Projects Cricut Creations Metal Crafts Vinegar Salt Wire Art Glass Etching. When etching steel, use the same recipe for the Saline Sulfate Etch as given above. The video is intended to inspire you to do the research to understand the process of electrolytic etching and develo . Kalling's No. My son who tattoos, had an extra power supply he gave me. Here's the one I … 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. 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. A resist is applied to the metal, then the metal is dipped into the acid until the desired effect is achieved. Capacity – Brushed Stainless Elenco TL-6 Alligator Lead Set, 10-Piece, 14 inches (2) Water Bottle Holders W/ Blue Aluminum Carabiner Attachments Directions 2- Cut in pattern. Copper sulfate is better suited to etching mild steels than stainless steel. Whilst the list looks long, the items are easily available from the supermarket / eBay. Upon removal from the etch solution, the metal plate should be neutralized (de-oxidized) in a solution of salt and vinegar in water. Is there something around the house or local stores that will, like vinegar or something? 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. 4- Hooked battery to blade and other into the salt water. Copper sulphate is a blue solution and will gradually fade to a transparent colorless liquid as the etching process takes place. That way, the creator can explain what she/he meant. The edges were clean and crisp and it only took about ten minutes to cut through the steel. Salt Water Etching Tutorial. If this is a problem for you, you should be really careful when wrapping it, and maybe try submerging it in clean water first ;-) But in my case, it’s on the inside and nobody will ever notice. I use a ratio of 1 part s., 1 part v. to 6 parts water. You would then put the workpiece into the pot, along with the salt water, and etch right in the pot. In this video I create a stainless steel plaque using electrolytic etching. Mods please feel free to move it if it should in fact have been posted elsewhere! Hypothesis: If salt water and a battery are used to etch a metal water bottle, then the teenage boy’s severe case of boredom will be cured. Mike Fennessy said: ↑ I told a friend I'd etch a blade for him and forgot that it's stainless steel. I have also seen deep etchings made with a mask and sand blasting. 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. 118. 1-Placed scotch tape on blade. source/image(PrtSc): ADDYOLOGY The black wire is taped to the stainless steel tumbler and the other end is attached to the minus/negative terminal on the battery. The name was cut from vinyl and attached to the steel buckle blank. The Magic of Electro-Chemical Etching. 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 … Copper sulfate – Best for mild steels. Dec 25, 2004. Avoid using older tins finished with a paint that contains lead. Immersion etching at 20 degrees Celsius: For etching duplex and 300 series stainless steels. I just use salt water for carbon blades and read that that won't work on stainless steel. Told a friend I 'd etch a blade for him and forgot that it 's finished plaque using electrolytic and... Of figuring out, how it works … Saved by Robin Mesner and 300 series stainless steels we! Procedures, and often do not require secondary finishing vinegar salt wire Glass! 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