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What kind of stainless steel is not easy to rust?

There are three main factors that affect stainless steel corrosion


1, the content of alloying elements.
Generally speaking, the content of chromium is not easy to rust in 10.5% steel. The higher the chromium-nickel content, the better the corrosion resistance is. For example, the 304 material nickel content is 8-10%, and the chromium content is 18-20%. Such stainless steel will not rust under normal circumstances.

2. The smelting process of the production company will also affect the corrosion resistance of stainless steel.

The large stainless steel plant with good smelting technology, advanced equipment and advanced technology can ensure the control of the alloy elements, the removal of impurities, and the control of the cooling temperature of the billet. Therefore, the product quality is stable and reliable, the internal quality is good, and it is not easy to rust. Conversely, some small steel plants are behind and the process is behind. During the smelting process, impurities cannot be removed and the products will inevitably rust.

3, The external environment, climate, dry and ventilated environment is not easy to rust.

Humidity in the air, continuous rainy weather, or air in areas with high pH, it is easy to rust. 304 stainless steel, if the surrounding environment is too bad it will rust.

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