The etching process also produces a tiny amount of hydrogen (a harmless but flammable gas), and you should provide ventilation to prevent any accumulation. Mods please feel free to move it if it should in fact have been posted elsewhere! The other end is attached to the battery positive terminal. The red wire is wrapped around the qtip cotton. 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. It’s pretty simple and the results are amazing! 3- placed knife in salt water. When etching steel, use the same recipe for the Saline Sulfate Etch as given above. Mix with water at a 1:1 ratio. 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. By WazIt Follow. 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. 115. In this video I create a stainless steel plaque using electrolytic etching. . Parts are able to be fully processed in a shorter turnaround time than other procedures, and often do not require secondary finishing. Yep it can be done. The Copper Sulfate is mixed in a one to one ration with sodium chloride (salt). 1-Placed scotch tape on blade. 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. How to etch metal using a 9 volt battery and some water! Copper sulfate is used to etch mild steels rather than stainless steel. Custom belt buckle using a salt water etch. Whilst the list looks long, the items are easily available from the supermarket / eBay. The name was cut from vinyl and attached to the steel buckle blank. Immersion etching at 20 degrees Celsius: For etching duplex and 300 series stainless steels. It worked amazingly well. While we were still in the process of figuring out, how it works … Saved by Robin Mesner. Is there something around the house or local stores that will, like vinegar or something? Electrolyte is simply used to aid the flow of low-voltage electric charge through the gaps in the stencil. "Mix up tablespoon of salt and about a 1/2 cup vinegar." Copper sulphate is a blue solution and will gradually fade to a transparent colorless liquid as the etching process takes place. Experiment: Once you have gathered the supplies, the experiment should take 30-45 minutes, depending on the intricacy of the design. 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. 118. Upon removal from the etch solution, the metal plate should be neutralized (de-oxidized) in a solution of salt and vinegar in water. The design is created by using the battery to force a chemical reaction between the metal, water and salt. You just need to make sure that the … The video is intended to inspire you to do the research to understand the process of electrolytic etching and develo . Add Tip Ask Question Comment Download. Report this item. Dec 25, 2004. It is an austenitic alloy that includes chromium and nickel and is lower in carbon than the standard 304 grade of stainless. 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. Avoid using older tins finished with a paint that contains lead. 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. More by the author: Make a "cheap" power supply for etching metals with salt water. My son who tattoos, had an extra power supply he gave me. I use a ratio of 1 part s., 1 part v. to 6 parts water. This technique works on copper, but also other metals such as stainless steel and brass. 189 42.1K . You would then put the workpiece into the pot, along with the salt water, and etch right in the pot. 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. People like salt-water etching as it's cheap and effective, does not require chemicals and allows for easy disposal. Copper sulfate is better suited to etching mild steels than stainless steel. The accelerant is a tetrahydroglyoxaline compound. I just use salt water for carbon blades and read that that won't work on stainless steel. source/image(PrtSc): ADDYOLOGY Stainless Steel Cups Craft Tutorials Craft Ideas Diy Projects Cricut Creations Metal Crafts Vinegar Salt Wire Art Glass Etching. Here's the one I … The blue solution gradually fades as the etching progresses and turns colorless when it's finished. Did this once on a stainless steel knife blade. I have also seen deep etchings made with a mask and sand blasting. The acid will slowly eat away layers of the metal, and it will flake off leaving exposed areas that create a design. 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. That way, the creator can explain what she/he meant. Saved by Judy York. Ferric chloride – Works best on copper, brass, and nickel silver, and stainless steel. Salt Water electro-etching byproducts? 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. Over and over again I came across a method using salt, water and a 9 volt battery. Electric Etching…Minor amounts of fairly crude electric etching can use salt water and a 9-volt battery. 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. I then used salt water and a DC power supply (kind of like a battery charger but fully adjustable) to etch through the steel. It is a cool example of a redox reaction, and way more fun that a canned chemistry lab. its rea… Basically you just apply a resist to the metal you want to etch, and this will become the anode +. Salt Water Etching Tutorial. Kalling's No. Nov 11, 2008 #2. galadduin. Materials: Metal Water Bottle, either stainless steel or aluminum Capacity – Brushed Stainless Elenco TL-6 Alligator Lead Set, 10-Piece, 14 inches (2) Water Bottle Holders W/ Blue Aluminum Carabiner Attachments Directions 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. Keep any connection to a wall outlet or extension cord away from your container of salt water. 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 … People also love these ideas. 1,363. A resist is applied to the metal, then the metal is dipped into the acid until the desired effect is achieved. It doesn't matter why, let just say its a terrible process and logs don't appreciate the work. 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. Drying with hot air from a blow dryer further minimizes oxidation. Salt water etching of stainless steel Superior Etchworx. Step 1: The Gathering. I tallied up the total cost to set up and it came to under £10. You don't need much power, only a few volts and ~500ma for a fast etch. 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. The Magic of Electro-Chemical Etching. I use a combination of chloride, sulphate and phosphate salts. If you have any questions or need clarification, please ask. Gather up the materials you need. 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. Login to leave a comment. The edges were clean and crisp and it only took about ten minutes to cut through the steel. 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. So i wanted something easier. Stainless Steel Water Bottle Canteen – 24oz. Introduction: Power Supply for Etching With Salt Water . 4- Hooked battery to blade and other into the salt water. The salt is added to stop the copper forming a layer of copper on the etched surface. 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. This step is useful if there will be a second stage of resists applied to the metal. The salt and vinegar are mixed together. 2- Cut in pattern. 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. In about 10 minutes or so the pattern was etched into the blade. That said, I set out to find a method that would work on stainless steel. Hi guys, Im going to make a tutorial on etching metal using saltwater & electricity. The black wire is taped to the stainless steel tumbler and the other end is attached to the minus/negative terminal on the battery. Laser fused, wide flange, 304L stainless steel beams have been used as a corrosion resistant building material in Mike Fennessy said: ↑ I told a friend I'd etch a blade for him and forgot that it's stainless steel. Here are two more made for @lyshyxoxo and her daughter. Etched stainless steel? 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. Stainless steel can be etched using ferric chloride mixed with water, which creates a hydrochloric acid. Copper sulfate – Best for mild steels. Enter salt water etching. 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. 08/18/17. Using older tins finished with a mask and sand blasting if there will be a second stage of applied... When it 's stainless steel given above minimizes oxidation is created by using the to. Etching process takes place have gathered the supplies, the creator can explain what she/he meant that includes chromium nickel. Tutorials Craft Ideas Diy Projects Cricut Creations metal Crafts vinegar salt wire Art Glass etching tins finished a. 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