1. Consumption process reason: This is one of the reasons for the oxidation of steel products. In terms of consumption process and product characteristics, forming a thin oxide film on the surface of the product is the basic process to prevent oxidation, and it is also one of the main characteristics of steel products different from other steel products. However, due to the lack or neglect of consumption process, the oxide film is not intact In case of discontinuity, the oxygen in the air directly reacts with some elements in the product, resulting in oxidation of the product.

2. Reason for product composition ratio: in order to reduce the consumption cost, some manufacturers reduce the proportion content of some important elements such as chromium and nickel, and increase the content of other elements such as carbon. This consumption phenomenon of not strictly stopping the composition ratio according to the product model and product characteristics not only greatly reduces the production quality, for example, When the chromium content of 304 stainless steel pipe is insufficient, it not only affects the corrosion resistance and formability of the product, but also has potential production and quality safety hazards when it is used in chemical, equipment and consumer industries; At the same time, it also affects the appearance and oxidation resistance of the product.

3. Artificial causes: This is also one of the most common causes of product oxidation encountered by some consumers when using stainless steel products. Some consumers do not operate properly in product application and maintenance, especially some stainless steel pipe products used in food and chemical equipment industry have a high probability of artificial causes of oxidation. About the phenomenon of artificial oxidation of steel products, We should have the correct knowledge of product application and stop reasonable and effective maintenance and maintenance regularly, so as to reduce the oxidation phenomenon caused by improper human use.