Abstract
The strength and corrosion properties of austenitic steels could be improved through adding appropriate amount of nitrogen and reducing the amount of carbon, while the plasticity and toughness are not influenced. The corrosion performance of 316NG and 304NG nitrogen-containing stainless steels and 321 stainless steels which used in nuclear plants have been studied, including the uniform corrosion performance, electrochemistry corrosion performance, stress corrosion performance, pitting corrosion performance and salt spray corrosion performance. The results indicated that the corrosion resistance of 316NG and 304NG nitrogen-containing stainless steels was more excellent than the 321 stainless steel, and N and Mo in alloys improved the corrosion behaviors of stainless steels.
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