1. Stainless Steel Usage: Stainless steel is a type of steel made from a mixture of various alloys and naturally resistant to rust. Therefore, you may prefer your steel products to be made of stainless steel.

2. Protective Coating: Coating steel with protective coatings can provide stainlessness. These coatings protect the steel from contact with oxygen and water. For example, chrome plating is a commonly used method to make steel stainless.

3. Stainless Steel Cleaning and Maintenance: To maintain the stainlessness of steel, it should be cleaned and maintained regularly. Proper cleaning products should be used to clean dirty or rusted surfaces.

4. Keeping Away from Corrosive Environments: To protect stainless steel, it is important to keep it away from corrosive environments (e.g., salty water, acids). If it needs to be used in such environments, stainless steel should be chosen.

5. Electrochemical Methods: Electrochemical methods can enhance stainlessness by creating a protective layer on the surface of the steel. These methods include passivation and electropolishing.

6. Preventing Continuous Contact: Continuous exposure to water and air can lead to rusting. You can prevent continuous moisture contact by drying steel products after use or storing them in a closed environment.

7. Heat Treatment: Heat treatment is another method used to make steel stainless. There are specific heat treatment methods, especially for various alloyed steels.

The choice of method may vary depending on the type of steel, intended use, and environmental conditions. Before purchasing stainless steel products, it's important to carefully review usage instructions and maintenance recommendations.