Does chloride ion cause corrosion in ordinary carbon steel pipes?
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Does chloride ion cause corrosion in ordinary carbon steel pipes, and under what temperature conditions does such corrosion occur? ? ? ?
There is corrosion, and this corrosion changes as the temperature varies
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Chloride ions are highly corrosive; carbon steel pipes certainly cannot withstand them, so polytetrafluoroethylene can be used as a lining inside the carbon steel
Carbon steel is certainly subject to corrosion, especially local corrosion; corrosion is more pronounced in acidic environments. It also corrodes at room temperature, with the severity of corrosion increasing as the temperature rises. Think about why ordinary carbon steel is not suitable for seawater – it’s for this very reason.
See HG/T 20582
Yes, it causes uniform corrosion and overall thinning; in the case of stainless steel pipes, local deposits lead to pitting and perforation
There is corrosion; generally, adding a corrosion inhibitor can help