Carbide has good chemical stability and excellent corrosion resistance, acid and alkali resistance. This is because the carbides in cemented carbide are highly stable and resistant to chemical attack. In addition, the bonding metal cobalt in cemented carbide can also provide certain corrosion resistance and acid and alkali resistance.
In some corrosive media, cemented carbide is even more resistant to corrosion and acid and alkali than some stainless steel and high-temperature alloys. For example, in strong acids such as nitric acid, hydrochloric acid and sulfuric acid, the corrosion resistance of cemented carbide is better than that of stainless steel and high-temperature alloys. In addition, cemented carbide also has good oxidation resistance and high temperature resistance, and can maintain high hardness and strength in high temperature environments, making it suitable for some high temperature application scenarios.
It should be noted that the corrosion resistance of cemented carbide may be affected in corrosive media such as some strong oxidants or active chlorates. In addition, the chemical stability of cemented carbide is also related to factors such as its composition, manufacturing process and surface treatment. In specific applications, selection and optimization need to be made based on actual scenarios and requirements.
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