There are three main factors affecting stainless steel corrosion:
1, the content of alloying elements. In general, steel with a chromium content of 10.5% is not easy to rust. The higher the content of chromium nickel, the better the corrosion resistance, such as 304 material nickel content in 8%~10%, chromium content in 18%~20%, such stainless steel in general circumstances will not rust.
2, the smelting process of the production enterprise will also affect the corrosion resistance of stainless steel. Large stainless steel plants with good smelting technology, advanced equipment and advanced technology can be guaranteed whether in the control of alloying elements, the removal of impurities, and the control of billet cooling temperature, 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 are backward in equipment and technology, and impurities cannot be removed in the smelting process, and the products produced will inevitably rust.
3. It is not easy to rust under dry and well-ventilated conditions. The air humidity is large, continuous rainy weather or environmental areas with high pH in the air are easy to rust. If the surrounding environment is too poor, 304 stainless steel will rust.
Related: stainless steel pipe production line, high-speed welded steel pipe production line
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