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