6 Common Reasons For Why are My Knives Rusting

Knives Rusting: Knife blades are susceptible to rusting because they are constantly exposed to moisture in the air. And while some think that knives will never rust, it is actually very common for this problem to occur! In this article, you’ll find out about 8 of the most common causes for the question: why are my knives rusting?

What is Blade Rust?

Rusting of kitchen knives is still possible due to moisture in the air
Rusting of kitchen knives is still possible due to moisture in the air

Blade rust is a type of corrosion that can occur on steel blades. Blade rust can be caused by several factors, including moisture, chemicals, and wear and tear.

One of the most common causes of knives rusting is moisture. Moisture can cause corrosion on steel blades, which can lead to rust. Chemicals such as cleaners or lubricants can also cause blade rust. These chemicals can cause corrosion by reacting with the steel in your blade. 

Wear and tear can also lead to blade rust. Over time, the steel in the blade can become worn down. This can make the blade more vulnerable to corrosion and rust.

There are many ways to prevent blade corrosion. One way is to keep the blade clean and dry. Another way is to use a Rust Inhibitor (RI). RIs are designed to protect steel from corrosion and rust. They work by forming a barrier between the steel and the environment.

Overall, knives rusting is a type of corrosion that can occur on steel blades. It can be caused by several factors, including moisture, chemicals, and wear and tear. There are several ways to prevent blade rust, such as keeping the blade clean and dry or using a Rust

6 Definite Reasons for Why are My Knives Rusting

definite reason
Reasons of rust on the knife

1. Leaving your blades out in the open air: 

Even if you live in a dry climate, exposure to the air can cause your blades to rust. If possible, store your blades in a moisture-free environment.

2. Not oiling your blades regularly: 

Oiling your knives helps to protect them from rust. However, if you don’t oil them regularly, the oil can actually cause the blades to rust.

3. Use the wrong oil: 

Certain oils can be more corrosive than other oils. Use an oil specifically designed to be used on blades.

4. Storing your blades in a humid environment: 

If your blades are stored in a humid environment, they are more likely to rust. Try to store them in a cool, dry place.

5. Not cleaning your blades after each use:

If you don’t clean your blades after each use, dirt and debris can build up on the blade and cause it to rust.

6. Using your blade too often:

If you use your blade too often, it will start to show signs of wear and tear. This includes rusting. Try to limit how often you use your blade to prolong its life.

Preventing Knives Rusting

To prevent knife rust, follow these precautions
To prevent knife rust, follow these precautions

There are several things that you can do to prevent blade rust. After each use, clean your blades. This will get rid of any dirt and debris that might cause rust. Secondly, apply a light coat of oil to your blades after each use. This will prevent moisture from settling on metal and causing corrosion. Keep your blades dry and in a cool place. They should not be kept in damp or humid areas as this will accelerate the rusting process.

You should immediately remove any rusty blades. You can use a soft cloth or brush to remove the rust. You may need fine-grit sandpaper if the rust is stubborn. To prevent further corrosion, make sure you apply a light oil coat to the metal after you have removed any rust. Or check out this comprehensive guide on how to remove rust from your knives.

Conclusion: Why Are My Knives Rusting?


Blade rust is a common problem that can be caused by a number of different factors. In most cases, it is caused by exposure to moisture or chemicals. However, it can also be caused by poor maintenance or storage practices.

If you suspect that your blades are beginning to rust, take a closer look at how you are caring for them and make sure you are taking the proper precautions. With a little bit of effort, you can keep your blades in good condition and prevent blade rust from becoming a problem.