Superseded86% confidenceDecision RuleTime unknown
沿海高湿高盐地区必须选304及以上不锈钢或做防腐喷涂处理，201不锈钢和普通铝合金2-3年即出现锈斑腐蚀
1
Sources
86%
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This knowledge claim has been superseded by newer content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
Related Entities
Cite This Claim
Stable URI
https://kongchang.com/claim/327438API
curl https://kongchang.com/api/v1/knowledge/claims/327438MCP
get_claim(id=327438)