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