Acid corrosives、Alkaline corrosive agents, can corrode the production equipment .In addition, protective measures are required for other corrosive substances that may be present in fertiliser plants, such as hydrogen fluoride.

There are various corrosive gases in the coal (coke) chemical plant, such as carbon monoxide, sulfur dioxide, hydrogen sulfide and other atmospheric corrosion. In addition, there are electrochemical corrosion, chemical corrosion and impact corrosion that can corrode metal structural components.