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What kind of stainless steel pipe is not easy to rust
What kind of stainless steel pipe is not easy to rust
There are three main factors that affect the rusting of stainless steel pipes:
1. The content of alloying elements, generally speaking, the content of chromium is 10.5%, 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 stainless steel pipes is 8-10%, and the content of chromium is 18-20%. Such stainless steel pipes 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 and good craftsmanship can ensure the control of alloying elements, the removal of impurities, and the control of the cooling temperature of the billet, so the product quality is stable and reliable, the internal quality is good, and it is not easy to rust. On the contrary, some small steel mills have backward equipment and backward 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. The air humidity is high, continuous rainy weather, or environmental areas with high pH in the air are prone to rust. 304 stainless steel pipe will rust if the surrounding environment is too poor.
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