Why is stainless steel elbow not easy to rust

Why stainless steel elbows are not easy to rust. The main material of stainless steel elbows is stainless steel. Stainless steel products should be very common in our lives. Everyone knows that stainless steel products will not rust easily. Stainless steel is hygienic. The pipe fittings will also not rust, but why the stainless steel sanitary pipe fittings are not easy to rust, let's take a look below. The reason why the stainless steel elbow does not rust is related to its material. When stainless steel is manufactured Iron is generally contained, but in addition to iron, there are chromium, aluminum, silicon and other components. Adding chromium and other components to steel can change the performance of steel. Generally, steel materials are easy to rust, but their performance changes After that, it is actually not steel, so it can have a more stable structure, and it is not so easy to rust during use. Adding these elements to steel can form an oxide protective film on the surface of the steel, so it can improve The corrosion resistance of the product, so the stainless steel elbow made of stainless steel is not easy to rust.