Superseded80% confidenceFactTime unknown
304不锈钢在含氯离子较高的水质中仍可能点蚀，316L不锈钢因含钼元素抗氯离子腐蚀能力更强，沿海地区或水中氯含量高时应选316L
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
This knowledge claim has been superseded by newer content
海边、潮湿环境或需长期户外暴露选304/316不锈钢，316含钼抗氯离子腐蚀更适合海洋环境；铝合金虽轻但阳极氧化层磨损后易在盐雾中点蚀，普通铁镀锌扣3-6个月即锈Sources
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