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What kind of stainless steel is not easy to rust?
The content of alloying elements, generally speaking, the content of chromium is 14% and 1% of nickel, the steel is not easy to rust. The higher the content of chromium and nickel, the better the corrosion resistance. For example, the content of nickel in 304 material is 8-10%, and the content of chromium is 17-20%. Such stainless steel will not rust under normal circumstances.
May 20,2024
There are three main factors that affect stainless steel corrosion:
1: The content of alloying elements, generally speaking, the content of chromium is 14% and 1% of nickel, the steel is not easy to rust. The higher the content of chromium and nickel, the better the corrosion resistance. For example, the content of nickel in 304 material is 8-10%, and the content of chromium is 17-20%. Such stainless steel will not rust under normal circumstances.
2: The smelting process of the manufacturer will also affect the corrosion resistance of stainless steel. A large stainless steel plant with good smelting technology, advanced equipment and advanced technology can ensure the control of alloy elements, the removal of impurities, and the control of billet cooling temperature, so the product quality is stable and reliable, and the internal quality is good and not easy to rust. On the contrary, some small steel mills have backward equipment and technology. During the smelting process, impurities cannot be removed, and the products produced will inevitably rust.
3: The external environment, the climate is dry and ventilated, and the environment is not easy to rust. And the air humidity is high, continuous rainy weather, or the environment area with high pH in the air is easy to rust. 304 stainless steel, if the surrounding environment is too bad, it will rust.
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