What are the causes of corrosion of metal decorative nets

What are the causes of corrosion of metal decorative nets:

First, the content of alloy elements in metal decorative nets. The better the content, the more the process will affect the stainless steel plant with good stainless refining technology, equipment, and metal decorative nets. Whether it is in the control of alloy elements, the removal of impurities, and the billet The environment is not easy to save.

Second, the smelting environment of the production enterprises is too 18-20%, stainless steel such as metal decorative nets will not rust under normal circumstances.

Third, the external environment, the climate is dry and the air humidity is large, continuous rainy weather, stainless steel nets or environmental areas with large pH in the air are prone to rust.