Why does a stainless steel kitchen sink rust?

Nowadays, most of the kitchen sinks in the family use stainless steel sinks, because stainless steel sinks are not only practical and beautiful, but also wear-resistant and corrosion-resistant. However, many people find that stainless steel kitchen sinks tend to rust over time. Why does stainless steel kitchen sink rust? What should I do if it gets rusted?

1. Why does stainless steel sink rust?

Stainless steel, the full name is stainless acid-resistant steel. Stainless steel contains elements such as chromium and nickel, so it is not so easy to rust. In fact, stainless steel can also rust in harsh environments for a long time. For example, in a too acidic or too alkaline environment, the oxidation rate of stainless steel will be increased. Among the more than 100 different grades of stainless steel, each stainless steel has different oxidation resistance. Common stainless steel materials are 201, 304, 316. The commonly used stainless steel sink is 304 stainless steel.

2. Under what circumstances will stainless steel sinks rust?

Under normal use, stainless steel sinks generally do not rust, but in special cases, they will rust. This is likely to be just completed, the water pipes contain iron and rust, and the surface of the sink has these impurities, which will eventually rust.

Another situation is that during renovation, workers poured chemical paint into the sink and did not deal with it in time. Long-term immersion in stainless steel sinks will cause corrosion, oxidation and rust.

3. What should I do if the stainless steel sink is rusted?

If there is only floating rust on the surface of the stainless steel sink, it is recommended to scrub with toothpaste, or buy products such as "Stainless Steel Rust Removal Cream".

During the decoration process, if chemical paint is poured into the sink, it should be rinsed in time. Do not keep water in the sink for a long time.