In this tutorial, I will be showing how to get rid of surface rust from metal objects at home, in this case, a flathead screwdriver bit. But this method can also be used to remove rust from screws, wrenches, pliers, pans, pots, etc.
What is a rust?
Rust is a reddish-brown oxide formed on iron or steel by the reaction of oxygen and moisture. It is chemically known as iron(III) oxide (Fe2O3), and its formation is an example of corrosion, a process where metal is gradually destroyed due to reactions with environmental elements.
Why and Where the Rust Forms?
Rust can form on tools and other metal objects when they're exposed to moisture and oxygen over time. This oxidation process not only affects the appearance of the tools but can also compromise their structural integrity and functionality. Furthermore, rusted tools can leave stains on other objects they come in contact with. Therefore, it's a good idea to remove rust to prolong the life of the tools and maintain their performance.
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Removing Surface Rust at Home
Removing surface rust from the metal is done by soaking it in a very mild acid, for example, acetic acid (vinegar) anywhere from 12 to 24 hours (depending on the severity of the rust), then wiping it off and washing it with water/baking soda solution to neutralize the acid.
The vinegar reacts with the rusty areas by dissolving them and helps to form a rust-resistant oxide layer.
- 00:00 - How to remove rust from metal?
- 00:09 - To go from this...
- 00:13 - To this!
- 00:18 - Step 1: Put the object into a glass or a plastic container.
- 00:24 - Step 2: Pour white (or yellow) vinegar into the container, until the rusted part is fully submerged.
- 00:40 - Step 3: Put a lid or plastic bag on top of the container and leave it for at least 6 - 8 hours.
- 00:46 - The next day
- 00:54 - Step 4: Take the object out of the container, wipe it with a cloth or paper towel, and put it in a solution of water with a little bit of baking soda to neutralize the acid.
- 01:52 - Thanks for watching!